Fits 1993-2006 Jeep TJ, YJ, and XJ Cherokee models. This Revolution Gear & Axle Discovery Series Rear Axle Kit is engineered to provide a substantial strength increase for Dana 35 rear ends. By upgrading the factory 27-spline shafts to a 30-spline configuration, this kit significantly increases the axle's torque capacity, making it a reliable solution for Wranglers and Cherokees running larger tires and off-road lockers.

The Discovery Series offers a balance of durability and value, utilizing high-quality materials to resist the torsional stress often encountered on the trail. This 30-spline kit is an essential component for a "Super 35" style build, requiring a 30-spline aftermarket differential or locker for installation.

• Brand: Revolution Gear & Axle
• Series: Discovery Series
• MPN: DC-D35-30
• Spline Count: 30 Spline
• Axle Type: Rear
• Fitment: 1993-2006 Jeep Wrangler TJ, YJ, and Cherokee XJ

Upgrade your drivetrain with this Revolution Gear & Axle ring and pinion set, specifically engineered for the Dana 60 front axle. Featuring a 5.38 gear ratio, this set is an essential solution for off-road enthusiasts and builders looking to restore lost torque and power after installing larger tires or for those requiring specialized low-range crawling capability.

Revolution Gear & Axle components are manufactured from high-quality steel and precision heat-treated to withstand the stresses of high-torque applications. Each ring and pinion set is a lapped and matched pair, ensuring a smoother setup and quieter operation during rotation. This kit replaces your worn or factory-ratio gears to provide the mechanical advantage needed for demanding terrain.

• Part Type: Ring and Pinion Gear Set
• Axle Application: Dana 60 Front
• Gear Ratio: 5.38
• Material: High-strength heat-treated steel
• Manufacturer Part Number: D60-538

Upgrade your drivetrain with the Revolution Gear & Axle Dana 44 Thick Rear Ring & Pinion Set. This 4.56 ratio gear set is engineered for precision and durability, providing the mechanical advantage required for larger tires and demanding off-road terrain.

As a "thick" gear set, this component is designed to install a numerically higher 4.56 ratio onto a 3.73-and-down carrier. This allows for a significant ratio upgrade without the added expense of replacing the carrier. The ring gear features a dual-drilled design, ensuring compatibility with both 3/8-inch and 7/16-inch ring gear bolts for versatile fitment across various Dana 44 configurations.

• Differential Application: Dana 44
• Gear Ratio: 4.56
• Gear Type: Thick Gear (Fits 3.73 and numerically lower carriers)
• Ring Gear Bolt Pattern: Dual Drilled for 3/8" and 7/16" hardware
• Placement: Rear Axle
• Manufacturer Part Number: D44-456TD

The Revolution Gear & Axle Master Overhaul Kit for the GM 8.5-inch 10-bolt rear differential (MPN 35-2021) provides the high-quality components required for a professional-grade ring and pinion installation. This kit is designed to restore factory-level tolerances, ensuring a precise gear mesh and quiet operation for your drivetrain.

• Fits GM 10-Bolt 8.5" rear differentials.
• Includes premium tapered roller bearings for both the carrier and pinion.
• Complete shim kit included for accurate pinion depth and backlash adjustment.
• Includes essential hardware: new pinion seal, crush sleeve, ring gear bolts, and cover gasket.
• Supplied with gear marking compound and thread locker for a secure, verified setup.

By bundling all necessary consumable parts into a single package, this master kit eliminates the guesswork and downtime associated with differential rebuilding or gear ratio changes.

Fits 1993-1995 Mazda RX-7 (Base, R1, R2, and Touring) models.

The GReddy high-capacity differential cover is a critical upgrade for the FD3S chassis, specifically designed to address the high thermal loads encountered during track use or high-horsepower street driving. By increasing the total gear oil capacity, this cover provides a larger thermal reservoir, helping to stabilize fluid temperatures and protect your differential gears and limited-slip internals from premature wear. The cast aluminum construction and integrated cooling fins significantly improve heat dissipation compared to the factory stamped steel unit.

• Manufacturer Part Number: 14540401
• High-quality cast aluminum construction for superior strength and heat transfer
• Increased oil volume over the factory differential housing
• Integrated external cooling fins to maximize surface area and airflow
• Includes a pre-tapped port for easy installation of a differential temperature sensor
• Direct bolt-on replacement for the OE rear differential cover

Fits 2004-2005 Subaru Baja (H4).

Restore precise clutch engagement and reliable pedal feel with the Exedy OE Replacement Clutch Slave Cylinder. As a trusted original equipment manufacturer, Exedy engineers this hydraulic component to meet or exceed the exact specifications of your vehicle's factory unit. This slave cylinder is a direct-fit replacement designed to resolve issues with soft pedals, fluid leaks, or incomplete clutch disengagement.

• Precision-machined internal bore ensures smooth piston travel and consistent hydraulic pressure.
• High-quality EPDM rubber seals provide excellent resistance to heat and brake fluid for long-term durability.
• Designed to match the original equipment mounting points and line connections for a straightforward installation.
• Manufactured to strict tolerances to ensure a leak-free seal and optimal displacement.
• Manufacturer Part Number: SC920

Fits 1986-1995 Suzuki Samurai models.

Restore lost performance and optimize your drivetrain with the Revolution Gear & Axle 4.57 Ratio Gear Package. This comprehensive kit is designed to compensate for larger tire diameters or to provide a mechanical advantage for improved crawling and low-end torque. By re-gearing to a 4.57 ratio, you reduce stress on your engine and transmission while reclaiming the power delivery your Samurai needs for both trail and street use.

This package features premium Koyo bearings, the same high-tolerance Japanese-made components trusted by manufacturers for OE applications. Every gear set is precision-engineered and heat-treated for maximum longevity, ensuring a quiet, reliable mesh when properly shimmed and installed. This all-in-one solution provides the necessary ring and pinion sets and overhaul hardware to refresh your front and rear differentials simultaneously.

• Manufacturer Part Number: REV-SAMMY-457-K
• Gear Ratio: 4.57
• Bearing Brand: Koyo (Master Overhaul Kits)
• Includes front and rear ring and pinion sets
• Designed for durability in demanding off-road conditions

Fits 1999-2005 Mazda Miata (10th Anniversary, Base, LS, Mazdaspeed, SE, and Shinsen).

The Goodridge stainless steel braided clutch line replaces the factory rubber hose to eliminate the spongy pedal feel often experienced during spirited driving. By swapping the high-expansion OE hose for a PTFE-lined version reinforced with a stainless steel outer braid, you achieve more consistent clutch engagement and sharper shifts. This kit is engineered for long-term durability, providing superior resistance to both abrasion and corrosion while maintaining reliable performance under arduous conditions.

Each kit includes all necessary adapters required to replace the original equipment, ensuring a straightforward installation to factory mounting points.

• Manufacturer Part Number: 25001-CLU-2
• Hose Material: PTFE inner with stainless steel outer braid
• Reduces line expansion for firmer clutch pedal feel
• Direct OE replacement fitment
• Includes all necessary installation adapters
• 90-Day manufacturer warranty

Fits select 1993-2012 Acura Integra and Subaru Impreza models.

The Goodridge 20063-CLU clutch line is engineered to replace restrictive factory rubber hoses with a high-performance, low-expansion alternative. Constructed with a PTFE inner hose protected by a stainless steel outer braid, this kit eliminates the spongy pedal feel common in OEM systems, particularly during aggressive driving or high-heat cycles. By minimizing volumetric expansion, it delivers more consistent clutch engagement and sharper, more precise shifts.

• Manufacturer Part Number: 20063-CLU
• PTFE Inner Hose: Provides high thermal resistance and eliminates line swell.
• Stainless Steel Braid: Reinforces the line and provides superior resistance to abrasion and corrosion.
• Direct Replacement: Includes all necessary adapters to replace the factory OE hose.
• Warranty: 90-Day Manufacturer Warranty.

Vehicle Fitment

Fits 2003-2006 Dodge Viper and 2004-2006 Ram 1500 SRT-10 (8.3L).

The Fidanza aluminum flywheel (MPN 194991) is engineered to reduce rotational mass and improve throttle response in high-performance Dodge SRT-10 applications. Constructed from high-strength billet 6061 T6 or 2024 T4 aluminum, this flywheel is 40-60% lighter than the factory cast iron unit. By significantly lowering the Moment of Inertia (MOI), it allows the 8.3L V10 engine to rev more freely and deliver power more efficiently to the drivetrain.

Designed for professional-grade serviceability, this unit features a bolt-on replaceable friction plate made from heat-treated steel, allowing for easy renewal of the clutch surface without replacing the entire flywheel. The assembly is secured with military-spec fasteners and features a hardened 1050 steel ring gear for reliable starter engagement and long-term durability under high-torque loads.

• Billet 6061 T6 or 2024 T4 aluminum body for high strength and low weight
• 40-60% lighter than stock for quicker acceleration and improved RPM matching
• Replaceable heat-treated friction plate provides optimum grip and serviceability
• Hardened 1050 steel ring gear ensures reliable ignition cycles
• Military-spec fasteners for maximum structural integrity
• Stepped dowels included for precise alignment and fitment

Fits select 2004-2019 Subaru Impreza WRX STI, WRX STI, and Legacy models (H4-2.5L Turbo).

The Exedy Stage 1 Organic Racing Clutch kit (15803) is engineered for street performance and light track applications. This kit utilizes premium friction materials designed to resist slippage and burst while handling the increased torque of modified engines. By increasing the clamp load over the factory unit, this clutch provides the capacity needed for higher horsepower without sacrificing the smooth engagement and drivability expected in a daily driver.

Each Stage 1 clutch disc features a sprung center damper to effectively reduce drivetrain shock and vibration. While pedal effort is slightly higher than a stock setup due to the increased pressure plate clamp load, the engagement remains predictable and linear.

• Manufacturer Part Number: 15803
• Series: Stage 1 Organic Racing Clutch
• Disc Type: Sprung Center Hub
• Application: Street and light track use
• Construction: Premium burst-resistant friction material
• Compatibility: Replaces factory clutch assembly on select Subaru models

Fits 2009-2011 Infiniti G37 Coupe (Base, IPL, Journey, Sport, X) equipped with manual transmissions.

This 3.5-inch aluminum driveshaft from The Driveshaft Shop (DSS) is a high-performance upgrade designed to replace the heavy, multi-piece factory unit. By significantly reducing rotating mass, this driveshaft improves throttle response and drivetrain efficiency, allowing more power to reach the ground. Each shaft is precision-balanced to eliminate high-speed vibrations, ensuring a smooth and reliable transfer of torque.

• Manufacturer Part Number: 610315
• Series: INSH2
• Diameter: 3.5 inches
• Material: High-grade aluminum
• Fitment: Specifically for manual transmission G37 Coupe models
• Precision-balanced for smooth operation at high RPMs
• Reduces rotating mass for improved acceleration

Fits 2004-2006 Pontiac GTO Base models.

Engineered to eliminate the heavy, complex factory multi-piece shaft, this DSS 1-piece aluminum driveshaft significantly reduces rotational mass for improved throttle response and faster acceleration. Constructed from 3.5-inch diameter 6061-T6 aluminum tubing, this unit is rated to handle up to 550HP, making it an ideal upgrade for street and track-oriented builds.

This system features a precision-machined billet rear adapter plate, ensuring a secure and direct bolt-on fit to the factory differential flange without the need for modification. The single-piece design removes the failure-prone center carrier bearing, providing a more reliable and consistent power delivery to the wheels.

• Construction: 3.5-inch diameter 6061-T6 aluminum tubing
• Power Rating: Up to 550HP
• Configuration: 1-Piece replacement
• Hardware: Includes billet rear adapter plate and necessary mounting hardware
• Installation: Direct bolt-on to OE mounting points
• Manufacturer Part Number: 610104

Fits select 1990-2021 Acura and Honda models, including Integra, NSX, RSX, TL, Civic, Accord, Prelude, and S2000. This Flywheel Friction Lock (FFL) solves a critical failure point in high-performance applications: the risk of the flywheel loosening during high-torque operation.

Developed in partnership with 3M, this friction shim technology uses a nickel-coated steel substrate with partially embedded diamond particles. When clamped between the crankshaft and the flywheel, these diamonds bite into both surfaces, significantly increasing the coefficient of friction. This mechanical bond allows the assembly to handle up to 5× higher shear forces and transmit up to 5× higher torque without the risk of fretting or welding, which can otherwise destroy the crankshaft.

• Manufacturer Part Number: CM-037-FFL
• Thickness: .006"-.009" (preserves factory assembly spacing)
• Material: Nickel-coated steel with embedded 3M diamond particle technology
• Capacity: Handles up to 5× higher shear forces and torque than conventional systems
• Installation: Direct fit between flywheel and crank; reusable after disassembly

Fits 1996-2004 Ford Mustang models, including Base, GT, Bullitt, Mach 1, and SVT Cobra.

Restore and refine your Mustang's clutch feel with the BBK Performance Fully Adjustable Clutch Cable. This heavy-duty cable is a direct replacement for the non-adjustable factory unit, allowing you to precisely dial in the clutch pedal height and engagement point to suit your driving style. It is an essential upgrade for vehicles equipped with aftermarket high-performance clutches or for replacing a stretched or frayed factory cable.

• Fully adjustable design for custom engagement point tuning
• Direct replacement for the stock OE cable
• Heavy-duty construction for increased durability and pedal consistency
• Proudly made in the USA
• Manufacturer Part Number: 3519
• Backed by a 1-year manufacturer warranty

Fits select 2001-2007 Subaru Impreza (WRX, STI, RS, TS, Outback Sport) and 2005-2006 Saab 9-2X models.

The Whiteline Plus W92835 Rear Differential Mount In Cradle is engineered to stabilize the rear drivetrain by replacing soft factory bushings with a high-performance synthetic elastomer. This specially bonded design is optimized for high load-bearing applications, reducing differential movement to improve power delivery and throttle response while maintaining durability for street and track use.

• Advanced synthetic elastomer formulation resists oil, grease, ozone, and weathering for a longer service life than rubber.
• Bonded design provides the necessary strength for high-torque applications.
• Protective plating on all metal components offers a corrosion-resistant barrier that outperforms standard paint.
• Includes internal sleeves designed to bolt directly into the factory rear cradle.
• Manufacturer Part Number: W92835

Fits 1983-1988 Porsche 924 S and 944 Base (2.5L).

The Fidanza aluminum flywheel is engineered to significantly reduce rotating mass, coming in at 40-60% lighter than the factory unit. By lowering the Moment of Inertia (MOI), this flywheel frees up horsepower and delivers significantly faster throttle response and quicker acceleration. The main body is CNC-machined from high-strength billet 6061 T6 or 2024 T4 aluminum, providing a lightweight yet durable foundation for performance driving.

This flywheel features a replaceable heat-treated friction plate for optimum grip and long service life. When the friction surface eventually wears, it can be unbolted and replaced without requiring a completely new flywheel. For maximum reliability, the assembly uses military-spec fasteners and a hardened 1050 steel ring gear. Note: When selecting a replacement friction kit, confirm whether your specific flywheel uses an 18-bolt or 20-bolt pattern before purchase.

• 40-60% lighter than stock for improved engine response
• Billet 6061 T6 or 2024 T4 aluminum body
• Replaceable hardened 1050 steel ring gear
• Bolt-on replaceable friction plate for easy servicing
• Heat-treated friction surface for maximum grip
• Military-spec fasteners for increased strength
• Stepped dowels for precise alignment
• Manufacturer Part Number: 199001

Fits 1989-1996 Chevrolet Corvette (5.7L).

Engineered to reduce rotational mass and free up horsepower, the Fidanza 198501 aluminum flywheel is 40% to 60% lighter than factory cast-iron units. This significant reduction in the moment of inertia (MOI) allows for significantly faster throttle response and quicker acceleration. The flywheel body is CNC-machined from high-strength billet 6061 T6 or 2024 T4 aluminum and features a replaceable 1050 steel friction plate, allowing for easy servicing without the need to replace the entire assembly.

• Materials: Billet 6061 T6 or 2024 T4 aluminum body with hardened 1050 steel ring gear
• Performance: 40-60% weight reduction compared to OE for improved RPM climb
• Serviceability: Bolt-on replaceable heat-treated friction plate for long-term use
• Hardware: High-strength military-spec fasteners for maximum reliability
• Precision: Stepped dowels for accurate alignment and lower MOI design
• MPN: 198501

Fits 2015-2017 Ford Mustang GT.

Engineered for S550 owners performing a Tremec T56 Magnum XL transmission conversion, this DSS 3.5-inch aluminum driveshaft provides a high-strength, lightweight solution for power transfer. This shaft is designed to mate the T56 Magnum XL output directly to the factory differential using a precision-machined billet OE flange adapter, ensuring a robust connection that handles increased torque loads while reducing rotational mass.

• 3.5-inch diameter 6061-T6 aluminum tubing for high RPM stability and weight savings.
• Application-specific design for T56 Magnum XL transmission swaps in S550 chassis.
• Includes billet aluminum OE flange adapter for a direct-fit solution to the factory rear end.
• Precision balanced to eliminate drivetrain vibrations at high speeds.
• Manufacturer Part Number: 610266 (Legacy ID: FDSH25-A-MAG-BILLET).

Fits 2005-2008 Chevrolet Corvette Base, Z06, and 427 Limited Edition Z06 models equipped with a 6-speed manual transmission.

The Driveshaft Shop (DSS) 3.5-inch heavy-duty aluminum driveshaft is engineered to provide superior strength and reliability for the C6 Corvette drivetrain. This performance upgrade replaces the factory shaft with a high-grade aluminum tube, offering increased torsional stiffness and reduced weight compared to many stock alternatives. It is designed to handle the increased power demands of modified street and track vehicles while maintaining precise balance to minimize drivetrain vibration.

• Material: Heavy-duty aluminum
• Diameter: 3.5 inches
• Transmission Compatibility: 6-Speed Manual
• Chassis: Chevrolet Corvette C6
• Manufacturer Part Number: 610133

Fits 1992-1993 Acura Integra GS, GS-R, LS, and RS models.

The Competition Clutch Stage 4 Strip Series 1620 clutch kit is engineered for high-horsepower applications requiring aggressive engagement and significantly increased holding power. This kit provides up to a 250% increase in torque capacity over the factory setup, making it an ideal choice for forced induction or heavily modified naturally aspirated builds that see frequent track use.

At the center of the kit is a six-puck high-torque sprung disc featuring ceramic buttons. The sprung-hub design helps dampen drivetrain shock during rapid engagement, while the ceramic friction material provides the heat resistance and bite necessary for penetrating engagement. Each kit includes a performance-grade pressure plate designed for increased clamp load without excessive pedal effort.

• Manufacturer Part Number: 8027-1620
• Series: Stage 4 Strip Series 1620
• Torque Capacity: Up to 250% over OE
• Disc Style: 6-puck sprung hub with ceramic buttons
• Includes: Performance pressure plate, 6-puck ceramic disc, throw-out bearing, pilot bearing/bushing, and alignment tool

Fits 1999-2016 Chevrolet and GMC Silverado/Sierra 1500, 2500 HD, and 3500 HD. The Cognito 210-91023 CV Front Driveline Kit is a heavy-duty, direct bolt-in solution designed to correct driveline angles and increase suspension travel on lifted GM trucks. This assembly features a 1310 series double cardan CV to eliminate vibration and a 1330 to 3R combo u-joint at the differential for a secure, high-strength connection.

This kit includes the necessary Cognito Allison Transmission Bracket to facilitate proper clearance. Please note that part number 110-90278 (Shift Linkage Relocation Bracket) is required for trucks equipped with the 6-speed Allison transmission. Proudly made in the USA, this driveline replaces the factory unit to accommodate significantly increased lift heights while maintaining mechanical reliability.

• 1310 series u-joint double cardan CV
• 1330 to 3R combo u-joint at differential
• Direct bolt-in installation with 0.5-hour estimated install time
• Includes Cognito Allison Transmission Bracket
• Compatible Lift Heights: 4-6" (Duramax), 4-12" (Gas), 7-12" (1500 models)
• Made in the USA
• Manufacturer Part Number: 210-91023

Fits select 1979-2014 Ford F-150, Mustang, Explorer, Ranger, Bronco, and Crown Victoria, plus select Lincoln and Mercury models with Ford 8.8" 31-spline axles.

Yukon Mini Spools offer a cost-effective traction solution for off-road and racing applications requiring full-time lockup. This unit installs directly into a standard open carrier case, replacing the original spider gears to ensure 100% power delivery to both tires at all times. By eliminating differential action, it provides maximum grip in loose or high-performance environments.

Note: Mini spools are designed for off-road or racing use only and are not recommended for street-driven vehicles. For extreme horsepower or oversized tire applications, a full spool is recommended for additional strength.

• Provides 100% traction to both wheels simultaneously
• Designed for installation in standard open carrier cases
• Replaces factory spider gears
• Compatible with Ford 8.8 in. differentials with 31-spline axles
• Manufacturer Part Number: YP MINSF8.8-31

Fits 1997-2006 Jeep Wrangler TJ models equipped with a Dana Spicer 30 front axle and Dana Spicer 44 rear axle.

The Yukon Gear & Axle YGK007 kit provides a comprehensive solution for re-gearing your Jeep TJ. This all-in-one package eliminates the guesswork of sourcing individual components by combining front and rear 4.56 ratio ring and pinion gear sets with the necessary Master Overhaul Kits. Designed for drivers increasing tire size or seeking improved low-end torque for towing and off-road performance, these gears are engineered using advanced heat-treating and state-of-the-art testing to ensure high-strength structure and precise surface finishes.

• Complete front and rear 4.56 ratio ring and pinion gear sets
• Includes two Master Overhaul Kits with high-quality bearings, seals, and installation hardware
• Designed for Dana 30 front and Dana 44 rear axle housings
• Engineered for optimized tooth contact and quiet operation
• Manufacturer Part Number: YGK007

Fits 2002-2006 Acura RSX (Base and Type-S) and 2002-2005 Honda Civic Si.

The Comp1 Clutch 184mm Rigid Twin Disc Clutch Kit is engineered for high-horsepower racing and performance street applications that demand maximum torque capacity and rapid shifting. By utilizing a compact 184mm assembly, this kit significantly reduces rotational mass and MOI (Moment of Inertia) compared to standard-sized units, resulting in faster throttle response and improved synchronization during high-RPM gear changes.

The rigid hub design provides direct engagement for precise control, making it an ideal solution for K-series engines undergoing significant power upgrades. Every kit is manufactured to exacting tolerances to ensure reliable power transfer and durability under extreme conditions.

• Manufacturer Part Number: 4-8037-C
• Disc Type: 184mm Rigid Twin Disc
• Application: Track, Drag, and High-Performance Street
• Reduced Rotational Mass: Enhances engine response and acceleration
• Installation: Includes necessary components for a direct-fit replacement

Fits 2015-2024 Ford Mustang GT, Shelby GT350/GT500, Mach 1, and Dark Horse models.

Reduce front-end weight and maximize engine bay clearance with the BMR Suspension Street Version DOM K-Member. This 100% bolt-on component is engineered to replace the bulky factory subframe, shedding 30 pounds while maintaining OE engine height using factory motor mounts. The tubular design provides essential room for large-tube headers and aftermarket turbo kits, making it a critical upgrade for high-performance S550 and S650 builds.

• Manufactured from heavy-duty 1-inch, 1.25-inch, and 1.5-inch DOM steel tubing
• Reduces front-end weight by 30 lbs compared to the factory unit
• Compatible with factory control arms and steering racks
• Maintains stock engine height with factory motor mounts
• Provides increased clearance for forced induction and exhaust upgrades
• Durable Black Hammertone powder coat finish
• Estimated 3-4 hour installation time
• Manufacturer Part Number: KM760H

Fits 2019-2024 Ram 2500 and 3500 4WD models with the 68RFE transmission.

The BD Diesel TorqueMaster Performance Transmission is engineered to handle the increased horsepower and torque of modern diesel applications. This 4WD-specific unit features a billet input shaft designed to withstand the "snap" associated with rapid throttle transitions and high-output tuning that often shears factory components. To ensure long-term durability, BD utilizes QT100 pressure plates which allow for increased clutch counts while reducing deflection and distortion within the clutch drum.

Hydraulic integrity is reinforced via a custom bonded gasket valve body separator plate and a hard-anodized valve body, eliminating internal cross-leaks and maintaining line pressure. The included BD Deep Sump oil pan provides additional fluid capacity and cooling while increasing case rigidity to prevent flex under load.

• Billet input shaft handles high-torque shocks and rapid throttle input
• Overdrive and 2C clutch counts increased by 33%
• Durable QT100 pressure plates eliminate drum distortion
• Steel girdle added to 2C piston for a broader apply area
• Custom Big Stack overdrive shaft and reinforced accumulator plate
• New 4C billet spring retainer and new solenoid pack installed in every unit
• Heavy-duty cam and roller design low-reverse one-way clutch
• Hard-anodized valve body for wear resistance
• Manufacturer Part Number: 1064294B

Note: Special tuning is required for 2019-up applications to support increased line pressure. Line pressure controller is not included. Damage from race abuse is not covered.

Fits select 2004-2013 Volvo C30, S40, and S60 models equipped with the 2.5L engine. This XClutch performance upgrade is engineered for high-horsepower, street-driven vehicles that require a balance between massive torque capacity and daily driveability.

The 9-inch twin-disc design utilizes sprung organic friction discs to significantly reduce shock loading on the transmission compared to rigid alternatives, while the lightweight alloy hat improves engine response. Each kit undergoes rigorous analysis of the pivot point and diaphragm design to ensure a positive pedal feel and increased clamping force over the factory setup. This kit is ideal for owners looking to maintain smooth engagement without sacrificing the performance needed for aggressive street use.

• Manufacturer Part Number: XKFD23648-2A
• Type: Twin Disc, Sprung Organic
• Diameter: 9.0 inches (230mm)
• High-torque capacity with excellent street driveability
• Lightweight alloy hat construction
• Includes: Friction Discs, Pressure Plate, Hydraulic Release Bearing, Flywheel, Pilot Bearing, and Alignment Tool

Fits select 2018-2023 Jeep Wrangler and Gladiator models.

The McLeod Adventure Series Super Trail Pro Pack Clutch and Flywheel Kit (MPN 776005K) is engineered specifically for the rigors of serious off-roading and heavy-duty trail use. This kit is the ideal solution for Jeep owners running engine modifications such as stroker kits, turbochargers, or superchargers, and those coping with the increased drivetrain stress of heavy vehicle weights and 37-inch or larger tires.

Each kit features a high clamp load diaphragm-style pressure plate paired with a dual-performance clutch disc. By utilizing both organic and ceramic friction surfaces, the disc delivers the smooth engagement required for daily driving alongside the aggressive holding power needed for technical terrain. Included in the package is the McLeod Max Mass Flywheel, which is engineered to provide more dynamic energy to the engine, helping to prevent stalling during low-speed crawling and high-torque maneuvers.

• High Clamp Load: Diaphragm-style pressure plate designed for increased holding capacity under load.
• Dual-Material Disc: Combines organic and ceramic facets for a balance of drivability and heat resistance.
• Max Mass Flywheel: Engineering focus on dynamic energy to eliminate stalling in off-road environments.
• Performance Rating: Optimized for Jeeps with power-adders, heavy armor, and tires 37" and up.
• Comprehensive Kit: Includes pressure plate, dual-performance disc, Max Mass flywheel, throw-out bearing (where applicable), pilot bushing (where applicable), and alignment tool.
• Manufacturer Part Number: 776005K

Fits 2005-2019 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD 4WD models equipped with the 6-speed Allison transmission.

This Cognito Allison Transmission Bracket is an essential component when upgrading to a Cognito CV front driveline. Designed specifically for 4WD heavy-duty trucks, this bracket relocates the transmission shift linkage to provide critical additional clearance around the CV head. By moving the linkage, it prevents mechanical interference and ensures smooth operation of the drivetrain under various load conditions.

Built for durability in demanding environments, the bracket is finished in a semi-gloss black powder coat for superior corrosion resistance. This component is a required service part for Cognito CV driveline installations on 6-speed Allison-equipped vehicles.

• Manufacturer Part Number: 110-90278
• Compatibility: Required for use with Cognito CV front drivelines
• Finish: Semi-gloss black powder coat
• Transmission: Fits 6-speed Allison only
• Installation: Replaces/relocates factory shift linkage components
• Origin: Made in the USA