Fits 2000-2003 Honda S2000 Base (F20C).

Skunk2 Alpha Series Connecting Rods provide the ultimate strength-to-weight ratio for high-output Honda F20C builds. Forged from select 4340 chromoly steel, these straight H-beam rods are engineered to handle 900+ horsepower. Each rod undergoes a comprehensive manufacturing process, including heat-treating, tempering, and shot-peening for reduced surface fatigue. To ensure absolute reliability in high-RPM applications, Skunk2 utilizes dual-pin oil passages for enhanced lubrication at the wrist pin and performs magna-flux inspections to verify material integrity.

• Material: Forged 4340 Chromoly Steel
• Design: Straight H-Beam, FEA Analyzed
• Hardware: 3/8-inch ARP2000/Skunk2 Bolts included
• Bushings: Bronze Wrist Pin Bushings (compatible with most pistons without machining)
• Length: 153.00mm
• Weight: 546 grams (Balanced +/- 1 gram)
• Rating: 900+ HP Capable
• Part Number: 306-05-1180

Fits 1993-2001 Honda Prelude Base, Type SH, and VTEC models (H22A).

Skunk2 Alpha Series Connecting Rods are engineered for high-horsepower builds where reliability is non-negotiable. Forged from select 4340 chromoly steel, these rods utilize a straight H-beam design to achieve an optimal strength-to-weight ratio. To ensure maximum durability, every rod undergoes a rigorous manufacturing process including comprehensive heat-treating, tempering, and shot-peening for significantly reduced fatigue. Each unit is FEA analyzed and magna-fluxed to verify structural integrity before leaving the factory.

These Alpha Series rods feature dual-pin oil passages at the big end for improved lubrication and are equipped with bronze wrist pin bushings. They come ready for high-stress applications with 3/8-inch ARP2000/Skunk2 rod bolts and are balanced to within +/- 1 gram to ensure smooth engine operation at high RPM.

• Manufacturer Part Number: 306-05-1170
• Material: Forged 4340 Chromoly Steel
• Design: Straight H-Beam
• Length: 143.15mm
• Weight: 540 grams
• Power Rating: 900+ HP Capable
• Hardware: 3/8-in. ARP2000/Skunk2 Bolts
• Balancing: +/- 1 Gram
• Includes bronze wrist pin bushings and dual-pin oil passages

Fits 1999-2000 Honda Civic Si (B16A).

Skunk2 Alpha Series Connecting Rods are engineered for high-horsepower builds requiring a superior strength-to-weight ratio. Forged from select 4340 chromoly steel, these H-beam rods utilize a two-piece forging process to ensure optimal grain orientation along the rod cap, significantly increasing resistance to the high stresses of performance applications. Each rod undergoes comprehensive heat-treating, tempering, and shot-peening to reduce fatigue, followed by magna-flux inspection to guarantee structural integrity.

Designed to handle over 900 hp, these rods feature a straight-beam configuration that distributes stress across a larger area than standard tapered designs. The pin ends include dual-offset oil passages to deliver consistent lubrication and cooling around the entire wrist pin throughout the engine cycle. These rods come equipped with 3/8-inch ARP2000 bolts and bronze wrist pin bushings for maximum reliability under high RPMs.

• Manufacturer Part Number: 306-05-1160
• Material: Forged 4340 Chromoly Steel
• Design: H-Beam with FEA optimization
• Length: 134.35mm
• Weight: 523 grams (Balanced +/- 1g)
• Hardware: 3/8-in. ARP2000/Skunk2 Bolts
• Features: Dual-pin oil passages and bronze bushings
• Fitment: Compatible with most pistons without machining

Fits 2004-2008 Acura TSX (Base) and 2012 Honda Civic Si (K24A/Z engines).

Skunk2 Alpha Series Connecting Rods are engineered for high-performance builds requiring an optimal strength-to-weight ratio. Each rod is forged from select 4340 chromoly steel and features a straight H-beam design capable of supporting 900+ HP. To ensure maximum durability under extreme cylinder pressures, Skunk2 utilizes a comprehensive manufacturing process including heat-treating, tempering, and shot-peening for reduced surface fatigue. Every rod undergoes magna-flux inspection and FEA analysis to verify structural integrity before being balanced to within +/- 1 gram.

• Material: Forged 4340 Chromoly Steel
• Design: Straight H-Beam with Dual-Pin Oil Passages
• Hardware: 3/8-in. ARP2000/Skunk2 Bolts
• Length: 152.00mm
• Weight: 491 grams
• Wrist Pin Bushings: Bronze (compatible with most pistons without machining)
• Testing: Magna-fluxed, FEA Analyzed, and Balanced +/- 1g
• Manufacturer Part Number: 306-05-1150

Fits select 1990-2001 Acura Integra (GS, GS-R, LS, RS, Special Edition), 1999-2000 Honda Civic Si, and 1997-2001 Honda CR-V (EX, LX, SE) equipped with B18A/B engines.

Skunk2 Alpha Series Connecting Rods are engineered for high-performance builds requiring the ultimate strength-to-weight ratio. Forged from select 4340 chromoly steel, these H-beam rods utilize a two-piece forging process that optimizes grain orientation along the rod cap, significantly increasing resistance to stress. To ensure maximum durability in high-RPM and high-boost environments, each rod undergoes extensive heat-treating, tempering, shot-peening, and magna-flux inspection to verify structural integrity.

Developed over three years using Finite Element Analysis (FEA), the Alpha Series design features a straight beam configuration that distributes stress across a wider area compared to traditional tapered rods. The pin ends include dual offset oil passages to deliver consistent lubrication and cooling around the entire wrist pin throughout the engine cycle. These rods are balanced to within +/- 1 gram and come equipped with premium 3/8-inch ARP2000/Skunk2 hardware.

• Manufacturer Part Number: 306-05-1130
• Material: Forged 4340 Chromoly Steel
• Design: H-Beam with Two-Piece Forging
• Power Rating: 900+ HP Capable
• Rod Length: 137.00mm
• Weight: 538 grams
• Balance: +/- 1 gram
• Hardware: 3/8-in. ARP2000/Skunk2 Bolts
• Wrist Pin Bushings: Bronze
• Lubrication: Dual-Pin Oil Passages

Fits 1994-2001 Acura Integra GS-R and Type R models equipped with the B18C engine.

Skunk2 Alpha Series Connecting Rods are engineered for high-horsepower builds, providing a reliable H-beam design rated to handle over 900 HP. Each rod is forged from select 4340 chromoly steel using a two-piece forging process. This method optimizes grain orientation along the rod cap, significantly increasing strength and fatigue resistance compared to standard one-piece forgings. To ensure structural integrity, every rod undergoes comprehensive heat-treating, tempering, shot-peening, and magna-flux inspection.

Engineered using Finite Element Analysis (FEA), the straight-beam design distributes stress across a larger surface area to minimize wear. For superior lubrication, these rods feature dual-pin oil passages at the wrist pin end, delivering consistent cooling and oiling throughout the entire engine cycle. These rods come equipped with high-tensile 3/8-inch ARP2000 bolts and bronze wrist pin bushings for professional-grade durability.

• Manufacturer Part Number: 306-05-1120
• Material: Forged 4340 Chromoly Steel
• Design: H-Beam with Dual-Pin Oil Passages
• Length: 138.00mm
• Weight: 510 grams (Balanced +/- 1g)
• Hardware: 3/8-in ARP2000 / Skunk2 Bolts
• Wrist Pin Bushings: Bronze
• Rating: 900+ HP Capable

Fits 1992-1995 Honda Civic (EX, Si) and Civic del Sol (Si) equipped with D16 or ZC engines.

Skunk2 Alpha Series Connecting Rods provide a high-strength foundation for performance D-series builds. Forged from 4340 chromoly steel, these rods utilize a precision H-beam design developed through Finite Element Analysis (FEA) to identify and reinforce high-stress points. This straight-beam configuration distributes stress across a larger surface area than standard tapered rods, providing the structural integrity required to handle more than 900 HP.

These rods are manufactured using a two-piece forging process that optimizes grain orientation along the rod cap, increasing strength perpendicular to the stress exerted on the beam. To maximize durability, Skunk2 incorporates dual-offset oil passages at the pin end, ensuring consistent lubrication and cooling for the wrist pin during every phase of the engine cycle. Each rod is shot-peened for fatigue resistance, heat-treated, and magna-fluxed to ensure material integrity.

• Material: Forged 4340 Chromoly Steel
• Design: FEA-Optimized H-Beam
• Hardware: 3/8-in ARP2000/Skunk2 Bolts
• Length: 137.00mm
• Weight: 509g (Balanced +/- 1 Gram)
• Bushings: Bronze Wrist Pin Bushings
• Rating: 900+ HP Capable
• Finish: Shot-Peened and Magna-flux Inspected
• Manufacturer Part Number: 306-05-1110

Fits Honda K24Z7 engines found in select 2012-2015 Honda Civic Si and 2013-2015 Acura ILX.

Skunk2 Racing Ultra Series Stage 1 Camshafts are engineered to optimize the valve timing and lift profiles of the K24Z7 powerplant, delivering a significant increase in horsepower and torque without compromising street drivability. These cams are precision-ground from high-strength chill-cast cores, ensuring the durability required for high-revving K-series applications while maintaining tight tolerances.

The Stage 1 profile is specifically designed for enthusiasts who want a broader powerband and improved top-end performance. Whether you are running a stock valvetrain or mild bolt-ons, these Ultra Series cams enhance volumetric efficiency to extract more power from every combustion cycle. They serve as a direct replacement for factory camshafts, utilizing Skunk2's decades of racing experience to provide a reliable performance upgrade.

• Manufacturer Part Number: 305-05-9600
• Series: Ultra Series Stage 1
• Engine Fitment: Honda K24Z7
• Material: High-strength chill-cast alloy
• Optimized for increased mid-range and top-end power

Optimize your valvetrain performance with the Skunk2 Ultra Series Stage 1 Camshafts, specifically engineered for the Honda K20C1 (2.0L Turbo) engine. These camshafts are designed to increase horsepower and torque across the entire powerband by refining lift and duration profiles without compromising street drivability or idle quality. They serve as a high-performance solution for enthusiasts looking to maximize volumetric efficiency in turbocharged K-Series applications.

Each camshaft is CNC-ground from high-strength billet alloy steel to exacting tolerances, ensuring durability under high-stress conditions. As a Stage 1 upgrade, these cams are tailored for vehicles with minor to moderate modifications, providing a significant boost in top-end flow while maintaining excellent low-end response.

• Manufacturer Part Number: 305-05-9100
• Engine Fitment: Honda K20C1 (2.0L Turbo)
• Material: High-strength billet alloy steel
• Series: Ultra Series Stage 1
• Designed for optimized lift and duration on turbocharged platforms
• Maintains factory-like idle and drivability

Fits select 2002-2010 Acura RSX Type-S, TSX Base, and Honda Civic Si.

Skunk2 Ultra Series Stage 3 Camshafts are a professional-grade solution for high-output Honda K-series i-VTEC engines. These high-lift racing camshafts are designed to optimize mid-range and top-end horsepower and torque, shifting the peak power further up the RPM band for a seamless VTEC crossover. They are suitable for both heavily modified naturally aspirated builds and high-output turbocharged engines.

Manufactured from proprietary forged tool steel cores, these camshafts are CNC ground to exact tolerances. They feature Skunk2's Fast Ramp and AMAX profile technology, which increases the area under the lift curve to improve engine response and velocity without compromising valvetrain stability. Each shaft is hardened for wear resistance and features increased torsional strength to handle the stresses of high-RPM racing.

• Manufacturer Part Number: 305-05-7030
• Intake Duration: 275 Degrees @ 1mm
• Exhaust Duration: 277 Degrees @ 1mm
• Intake Lift: .580 in. (@ 0.000 in. Lash)
• Exhaust Lift: .565 in. (@ 0.000 in. Lash)
• Intake Valve Clearance: .008 in.
• Exhaust Valve Clearance: .010 in.
• Exhaust Centerline: 112 Degrees BTDC
• Intake Centerline: Variable
• Construction: Forged tool steel core, CNC ground

Fits select 2002-2010 Acura RSX Type-S, TSX Base, and Honda Civic Si models equipped with K20A3 and K24A1/A3/A4/A8 DOHC i-VTEC engines.

Skunk2 Ultra Series Stage 2 Camshafts are engineered for high-output racing applications where mid-range and top-end performance are critical. These high-lift cams optimize the powerband by shifting peak power higher up the RPM range while maintaining a seamless VTEC crossover. Designed to meet the demands of heavily modified naturally aspirated or high-boost turbocharged builds, these shafts provide exceptional valvetrain stability and throttle response.

Each camshaft is CNC-ground from a proprietary forged tool steel core for superior torsional strength and durability. Skunk2 utilizes patent-pending Fast Ramp and AMAX profile technology to maximize the area under the lift curve, delivering unparalleled velocity and acceleration characteristics. The surfaces are finished using cubic-boron grinding wheels for precise tolerances and wear resistance.

• Manufacturer Part Number: 305-05-7020
• Intake Duration: 264 Degrees at 1mm
• Exhaust Duration: 264 Degrees at 1mm
• Intake Lift: .560 in. (at 0.000 in. Lash)
• Exhaust Lift: .535 in. (at 0.000 in. Lash)
• Intake Valve Clearance: .008 in.
• Exhaust Valve Clearance: .010 in.
• Exhaust Centerline: 112 Degrees BTDC
• Material: Forged Tool Steel Core

Fits 2002-2011 Acura RSX Type-S, TSX Base, and Honda Civic Si / MUGEN Si (K20A, K20A2, K20Z1, K20Z3, K24A2).

Skunk2 Ultra Series D1 Drop-In Camshafts are engineered for enthusiasts seeking professional-tier power gains without the necessity of upgrading the factory valvetrain. These high-lift profiles are designed to optimize mid-range and top-end horsepower and torque while maintaining exceptional engine response and complete valvetrain stability. By utilizing advanced computerized simulation and modeling, Skunk2 developed the D1 profile to ensure a seamless VTEC crossover and a significantly broader powerband from idle to redline.

• Direct drop-in design; compatible with factory OEM valve springs and retainers
• CNC ground from proprietary forged tool steel cores for maximum torsional strength and durability
• Precision ground using state-of-the-art cubic-boron grinding wheels for exact tolerances
• Features hardened, wear-resistant lobes and patent-pending high-velocity profiles
• Typical performance gains of 12-15 HP; up to 20-22 HP on highly efficient engine combinations
• Suitable for naturally aspirated or high-output turbocharged K-Series builds
• Manufacturer Part Number: 305-05-7000

Fits 1993-2001 Honda Prelude Base, Si, Type SH, and VTEC models equipped with H22A or F20B DOHC VTEC engines.

Skunk2 Pro Series Stage 1+ Camshafts are engineered to optimize mid-range and top-end power without sacrificing low-end response. These high-lift, professional-grade racing camshafts are designed to peak at the factory redline, providing a seamless VTEC crossover and a significantly broader powerband. Manufactured from proprietary, chill-cast billet blanks, these shafts offer increased torsional strength and reduced friction compared to standard units.

Using advanced CNC grinding and state-of-the-art computerized simulation, Skunk2 employs Fast Ramp and AMAX profile technology to maximize area under the lift curve. This results in superior valvetrain stability and throttle response, making them an ideal choice for both naturally aspirated high-output builds and turbocharged H-series engines.

• Manufacturer Part Number: 305-05-5200
• Intake Duration / Lift: 258 Degrees / 12.65mm
• Exhaust Duration / Lift: 260 Degrees / 11.90mm
• Valve Clearance (I/E): .007 in / .008 in
• Centerline (I/E): 98 Degrees / 104 Degrees
• Operating Range: 1,500 - 9,000 RPM
• Estimated Gains: 15-20 HP / 18-22 lb-ft Torque
• Construction: CNC-ground chill-cast billet with hardened lobes

Fits select 1992-2001 Acura Integra and Honda Civic models equipped with B16A, B17A, or B18C DOHC VTEC engines.

Skunk2 Pro Series Stage 3+ Camshafts are a professional line of high-lift racing components engineered to optimize mid-range and top-end performance. Utilizing patent-pending AMAX profile technology, these shafts maximize the area under the lift curve to deliver a seamless VTEC crossover and a significantly broader powerband. Each unit is CNC ground to exact specifications using cubic-boron grinding wheels for superior lobe surface hardening and wear resistance.

Designed for heavily modified engines, these camshafts are manufactured from revised chill-cast billet blanks that offer increased torsional strength and reduced friction. By raising peak power 700 RPM higher than the Pro 2+ series, the Stage 3+ profile ensures exceptional engine response for high-performance builds reaching up to 9,800 RPM.

• MPN: 305-05-5150
• Intake Duration/Lift: 272 Degrees / 12.70mm
• Exhaust Duration/Lift: 277 Degrees / 11.93mm
• Intake/Exhaust Centerline: 100° / 104°
• Valve Clearance: .007 in Intake / .008 in Exhaust
• RPM Range: 1,500 - 9,800 RPM
• Performance Gains: 25+ HP / 18-22 ft-lbs Torque

Fits select 1992-2001 Acura Integra GS-R and Type R, 1999-2000 Honda Civic Si, and 1994-1997 Civic del Sol VTEC (B16A, B17A, B18C engines).

Skunk2 Pro Series Stage 2+ Camshafts are engineered for heavily modified B-series DOHC VTEC engines, delivering significant gains in mid-range and top-end performance. These professional-grade racing cams are designed to shift peak power 700 rpm higher than OEM profiles, providing a seamless VTEC crossover and a wider, more usable powerband. Utilizing AMAX technology, these shafts maximize the area under the lift curve without compromising valvetrain stability or reliability.

Each camshaft is manufactured from newly revised, chill-cast billet blanks for superior torsional strength and reduced friction. Every profile is precision CNC-ground using cubic-boron grinding wheels to maintain exact tolerances. With Fast Ramp technology, these cams improve engine response from idle all the way to the 9,400 rpm redline.

• Manufacturer Part Number: 305-05-5145
• Intake Duration/Lift: 260 Degrees / 12.65mm
• Exhaust Duration/Lift: 272 Degrees / 11.90mm
• Intake/Exhaust Centerline: 98° / 106°
• Valve Clearance (In/Ex): .007 in / .008 in
• RPM Range: 1500 - 9400 rpm
• Estimated Gains: 20-25 HP / 18-22 lb-ft Torque
• Construction: Chill-cast billet camshaft blanks

Fits select 2002-2011 Acura RSX Type-S, TSX, and Honda Civic Si (2.0L).

Skunk2 Tuner Series Stage 1 Camshafts are designed to optimize horsepower and torque on mildly modified K-series engines while retaining factory idle quality and low-speed emissions. These cams are the result of extensive development in drag and road racing, utilizing AMAX technology to maximize the area under the lift curve for unmatched throttle response from 1,500 to 8,200 RPM.

Each camshaft is CNC-ground from high-strength, hollow iron-alloy cores to reduce weight and ensure durability. The profiles feature Skunk2’s Fast Ramp technology, which reduces seat timing to increase cylinder pressure and torque without compromising valvetrain longevity. These Stage 1 cams are a direct solution for enthusiasts seeking a reliable 12-15 HP gain without sacrificing streetability.

• Manufacturer Part Number: 305-05-0220
• Intake Duration / Lift: 223 Degrees / 11.3mm
• Exhaust Duration / Lift: 262 Degrees / 12.5mm
• Intake Centerline: Variable
• Exhaust Centerline: 107 Degrees
• Valve Clearance (Int/Exh): .008 in. / .010 in.
• Estimated Gains: 12-15 HP / 15-18 ft-lbs Torque
• RPM Range: 1500 - 8200 RPM
• Core Material: Hollow iron-alloy with hardened, wear-resistant lobes

Fits 1993-2001 Honda Prelude VTEC, Base, and Type SH models equipped with H22A or F20B DOHC VTEC engines.

Skunk2 Tuner Series Stage 2 Camshafts are designed to maximize horsepower and torque on mildly modified H-series engines. These cams bridge the gap between street drivability and track performance, delivering significant gains across the 1,500 to 9,000 RPM range while maintaining a stable factory idle and low-speed emissions profile. Based on profiles originally developed for Honda Prelude Pace Cars, the Stage 2 grind creates a more dramatic VTEC crossover for a pronounced high-end surge.

Each camshaft is CNC ground from proprietary, high-strength chill-cast billet blanks. This specialized manufacturing process provides superior torsional strength and reduced frictional effects compared to standard cores. The lobes and surfaces are hardened for maximum wear resistance, ensuring longevity in high-performance environments.

• Manufacturer Part Number: 305-05-0205
• Intake Duration / Lift: 267° / 12.8mm
• Exhaust Duration / Lift: 274° / 11.9mm
• Intake Centerline: 100°
• Exhaust Centerline: 105°
• Valve Clearance (Intake/Exhaust): .007 in. / .008 in.
• Operational RPM Range: 1,500 - 9,000 RPM
• Estimated Gains: 15-20 HP / 16-20 lb-ft Torque

Fits select 1992-2001 Acura Integra, Honda Civic Si, and Civic del Sol VTEC (B16A / B17A / B18C).

Skunk2 Tuner Series Stage 3 Camshafts are engineered for high-output B-Series builds, prioritizing peak power at higher RPM ranges. These camshafts are specifically optimized for engines featuring increased compression, upgraded valvetrain components, and high-velocity intake and exhaust tracts. The profiles are designed to deliver a dramatic VTEC crossover, providing the signature surge in performance while maintaining a stable idle and low-speed emissions profiles suitable for street-driven applications.

Every Tuner Series camshaft is manufactured from revised chill-cast billet blanks for superior torsional strength and durability. Skunk2 utilizes state-of-the-art CNC cam grinding machines equipped with cubic-boron grinding wheels to ensure precise tolerances. The result is a high-performance valvetrain component with hardened, wear-resistant lobes capable of supporting an operating range up to 9,800 RPM. Manufacturer Part Number: 305-05-0150.

• Intake Duration / Lift: 266 Degrees / 12.55mm
• Exhaust Duration / Lift: 277 Degrees / 11.81mm
• Intake Centerline: 100 Degrees
• Exhaust Centerline: 105 Degrees
• Valve Clearance (Intake/Exhaust): .007 in. / .008 in.
• RPM Range: 1500 - 9800 RPM
• Material: Newly revised chill-cast billet cores
• Finish: CNC-ground with hardened lobes
• Estimated Gains: 20-25 HP / 16-20 ft-lbs Torque

Fits select 1992-2001 Acura Integra GS-R and Type R, Honda Civic Si, and Honda Civic del Sol VTEC (B16A / B17A / B18C).

Increase engine output by 10-15 horsepower and 12-16 lb-ft of torque while maintaining a factory-smooth idle and low-speed emissions with Skunk2 Tuner Series Stage 1 Camshafts. Designed as a high-performance drop-in solution for mildly modified B-series VTEC engines, these camshafts deliver a more pronounced VTEC crossover and a significant surge in the mid-to-high RPM range. These are currently the only high-performance B-series camshafts that are CARB-exempt and legal for street use.

Each camshaft is manufactured from proprietary, chill-cast billet blanks for superior torsional strength and reduced friction. Precision-ground on state-of-the-art CNC machines using cubic-boron grinding wheels, these shafts feature hardened, wear-resistant lobes designed for longevity and consistent valve timing. Developed through decades of drag and road racing experience, the Tuner Series provides a reliable power increase from 1,500 to 8,500 RPM.

• Manufacturer Part Number: 305-05-0140
• Intake Duration / Lift: 251 Degrees / 11.5mm
• Exhaust Duration / Lift: 254 Degrees / 11.1mm
• Intake / Exhaust Centerline: 96 Degrees / 99 Degrees
• Valve Clearance (Intake/Exhaust): .007 in. / .008 in.
• RPM Range: 1,500 - 8,500 RPM
• CARB Exempt Status: EO #D-526-4
• Construction: Chill-cast billet camshaft cores

Fits select 1988-2000 Honda Civic, Civic del Sol, and CRX models equipped with D-Series VTEC engines.

The Skunk2 Tuner Series Stage 4 Camshaft is engineered for maximum performance in competition-oriented Honda D-Series builds. Featuring an aggressive profile with high lift and extended duration, this camshaft is optimized for high-RPM powerbands and professional racing applications. Each Tuner Series camshaft is precision-ground from high-strength chilled iron cores to ensure superior durability and accurate timing under high stress.

• Intake Duration: 254 Degrees
• Intake Lift: 12.09mm (0.476 in)
• Exhaust Duration: 254 Degrees
• Exhaust Lift: 11.68mm (0.460 in)
• Intake Valve Clearance: 0.008 in
• Exhaust Valve Clearance: 0.010 in
• Series: Tuner Series Stage 4
• Manufacturer Part Number: 305-05-0055

Due to the aggressive lift and duration of the Stage 4 profile, upgraded valvetrain components and proper ECU tuning are required for installation and operation.

Fits 1993-2001 Honda Prelude Base, Type SH, and VTEC models (2.2L).

Skunk2 Pro-Series Adjustable Cam Gears allow serious tuners to optimize horsepower and torque by synchronizing camshaft timing relative to the crankshaft. Designed for Honda H-Series and F-Series DOHC VTEC engines, these gears provide +/- 10 degrees of adjustment in precise one-degree increments, enabling you to tailor the power curve to your specific engine build. Each gear features laser-etched timing and directional marks for fast, accurate adjustments at the track or on the dyno.

Engineered for durability and performance, these gears are CNC-machined from 7075-T6 billet aluminum, making them 35 percent lighter than OEM units. This reduction in rotational inertia improves engine response and acceleration. To ensure reliability under high-load racing conditions, Skunk2 utilizes a signature six-bolt design to eliminate gear slipping and hard-anodized teeth to prevent premature wear.

• Manufacturer Part Number: 304-05-5225
• Material: CNC-machined 7075-T6 billet aluminum
• Adjustment Range: +/- 10 degrees (1-degree increments)
• Hardware: Heavy-duty 6-bolt design for maximum slip protection
• Weight: 35% lighter than factory gears
• Finish: Hard-anodized Titanium (Ti) color
• Quantity: Set of 2 gears
• Compatibility: Optimized for use with Skunk2 Tuner Series or Pro Series Camshafts

Fits 1993-2001 Honda Prelude Base, Type SH, and VTEC models equipped with H22 or F20B DOHC VTEC engines.

Skunk2 Pro-Series Adjustable Cam Gears enable precise camshaft timing adjustments to optimize horsepower and torque across the power band. These gears allow for +/- 10 degrees of adjustment in one-degree increments, featuring laser-etched timing and directional marks for fast, accurate tuning. Engineered for high-performance applications, they utilize a signature six-bolt design to eliminate gear slipping and are recommended for use with Skunk2 Tuner Series or Pro Series camshafts.

• CNC-machined 7075-T6 billet aluminum construction
• Hard-anodized, precision-machined teeth to prevent premature wear
• Lightweight design is 35% lighter than OEM to reduce rotational inertia
• Increased engine response and acceleration
• Proven in professional racing for over a decade
• Manufacturer Part Number: 304-05-5220
• Includes: Set of 2 cam gears

Fits select 2002-2011 Acura RSX, TSX and Honda Accord, Civic Si, CR-V, and Element (K-Series engines).

The Skunk2 Pro Series Exhaust Cam Gear is engineered for professional tuners to optimize horsepower and torque by allowing precise adjustments to camshaft timing. By tailoring the power curve to your specific build, you can maximize engine efficiency and performance. This gear features a lightweight, CNC-machined 7075-T6 billet aluminum center to reduce rotational inertia, which results in faster engine response and acceleration.

Durability is prioritized with precision-machined, hard-anodized steel teeth designed to resist premature wear. The signature six-bolt design provides a secure clamp that eliminates gear slipping, even under high-load racing conditions. Laser-etched timing and directional marks facilitate quick, accurate adjustments at the track or on the dyno.

• Manufacturer Part Number: 304-05-0275
• Designed for use with Skunk2 Tuner Series Camshafts
• Robust 6-bolt design prevents timing slippage
• CNC-machined 7075-T6 billet aluminum construction
• Hard-anodized steel teeth for extended service life
• Laser-etched indexing marks for precise tuning

Fits 2006-2011 Honda Civic Si.

The Skunk2 O2 Sensor Wire Harness Extension is a necessary component for 8th Gen Civic owners installing aftermarket performance headers or custom exhaust systems. When upgrading to a high-flow header, the oxygen sensor bung is frequently relocated further downstream, often exceeding the reach of the factory wiring. This extension provides the exact additional length required to bridge that gap without necessitating any cutting, splicing, or modification of your vehicle's original engine harness.

• Seamless Integration: Features plug-and-play connectors that match the OE Honda harness for a secure, moisture-resistant connection.
• High-Heat Protection: Encased in a durable, heat-resistant loom to withstand the extreme temperatures of the engine bay and exhaust tunnel.
• Header Optimized: Specifically designed for use with Skunk2 headers and exhaust systems to ensure a perfect fit during installation.
• Manufacturer Part Number: 201-05-0614