Secure your harmonic balancer with the reliability of an ARP Crank Pulley Bolt, engineered specifically for the BMW B58 3.0L turbocharged engine. In high-performance or high-RPM applications, the factory torque-to-yield (TTY) bolt can be a potential failure point. This ARP fastener provides the superior clamping force required to prevent pulley slippage and maintain crankshaft integrity under stress.

• Designed for BMW B58 inline-six engines
• High-strength alloy construction exceeds OEM fastener specifications
• Reusable design eliminates the need for one-time-use factory stretch bolts
• Precision machined for accurate torque loading and a perfect fit
• Essential hardware for high-horsepower builds and track-driven vehicles

ARP Ultra-Torque fastener assembly lubricant is specifically engineered to provide consistent and accurate bolt preload during engine assembly. Friction is the primary variable in fastener installation; this lubricant standardizes the friction coefficient between the threads and the underside of the bolt head, ensuring that torque wrench readings translate to precise clamping force.

• Ensures consistent clamp loads across all fasteners within 5% of target
• Eliminates the need for multiple preload cycles on new fasteners
• Prevents seizing and galling on steel, stainless steel, titanium, and aluminum
• Operating temperature range: -30°F to 500°F
• Large 20 oz. bottle with integrated brush top for clean, efficient application
• Metal-free, non-toxic formula does not contain lead or copper

ARP Ultra-Torque fastener assembly lubricant is engineered to eliminate friction variables, ensuring you achieve accurate and consistent bolt tensioning during critical assemblies. Unlike standard motor oils or generic lubricants, Ultra-Torque is specifically formulated to stabilize preload levels on the first torque pull, preventing the need to cycle fasteners multiple times.

Ideal for engine builds, drivetrain components, and chassis hardware, this lubricant prevents seizing and galling even under extreme clamping loads. The integrated brush-top applicator allows for clean, precise application to fastener threads and the underside of bolt heads or nuts, ensuring even coverage and reducing waste.

• Promotes consistent fastener preload and accurate torque readings
• Prevents galling and seizing on high-performance fasteners
• Suitable for use on all high-strength bolts and studs
• 1.0 oz. bottle with convenient integrated brush-top applicator
• Specifically developed for use with ARP hardware

Fits Big Block Ford 429-460 CID engines equipped with either front or rear sump oil pans.

This ARP Main Bolt Kit is engineered to provide superior bottom-end stability for Ford big block engines. Designed to replace factory hardware, these bolts offer the precise clamping force necessary to secure your main caps during high-performance use. This specific kit is versatile enough for both front and rear sump configurations and eliminates the need to source separate hardware by including the essential oil pickup standoff bolt.

• Compatible with Big Block Ford 429 and 460 CID engines
• Fits both front and rear sump oil pan applications
• Includes dedicated oil pickup standoff bolt for proper clearance and mounting
• Provides critical high-strength retention for crankshaft main caps

Achieve consistent and accurate fastener preload with ARP Ultra-Torque Fastener Assembly Lubricant. Specifically engineered to optimize bolt stretch, this lubricant eliminates the need for multiple torque cycles, allowing you to reach within 5% of your target preload on the very first pull. Whether you are installing head studs, main bolts, or connecting rod bolts, Ultra-Torque provides the stable friction coefficient required for professional engine assembly.

This formula is designed to withstand extreme pressures and prevents seizing or galling on all high-strength fasteners. It remains effective through heat cycles, ensuring that your critical components stay secured exactly as intended without the erratic friction values found in standard moly or motor oil applications.

• Ensures consistent torque-tension relationship for accurate preload
• Prevents seizing and galling of threaded fasteners during installation
• Metal-free composition
• Quantity: 0.50 oz squeeze tube
• Suitable for all high-performance automotive fasteners

Fits 2007-Up Dodge Ram models equipped with the 6.7L Cummins Diesel engine utilizing a girdle.

Ensure the structural integrity of your bottom end with the ARP Main Stud Kit. Engineered specifically for 6.7L Cummins builds that use a girdle, these studs provide the precise, consistent clamping force necessary to maintain main cap alignment under high-load conditions. By replacing the factory bolts, this kit significantly reduces main cap walk, protecting your block and crankshaft from the stresses of increased boost and torque levels.

• Specifically designed for 6.7L Cummins engines equipped with a main girdle
• Manufactured to exceed OEM fastener specifications for superior tensile strength
• Reduces main cap walk to improve bearing life and block longevity
• Provides consistent clamping force for high-horsepower diesel applications
• Includes high-strength studs, parallel-ground washers, and 12-point nuts

Upgrade your hardware with this ARP 12-point nut kit, engineered for high-performance applications where reliability and torque accuracy are critical. These precision-machined fasteners feature a 12-point head design, which offers increased wrench contact area compared to standard hex nuts. This design allows for higher torque loads and prevents rounding in tight engine or chassis compartments.

Manufactured from high-strength materials, these nuts provide the consistent clamping force required for professional-grade builds. Whether you are securing suspension components or internal engine hardware, ARP fasteners are the industry standard for durability and thread integrity.

• Thread Size: 12mm x 1.25
• Socket/Wrench Size: 16mm
• Head Style: 12-Point
• Quantity: 10 Pack
• Manufacturer Part Number: 301-8400

The ARP 200-8634 Hex Nut Kit provides a reliable fastening solution for mechanical and automotive assemblies requiring a 3/8-24 thread pitch. Unlike standard commercial hardware, these nuts are precision-machined to exacting tolerances to ensure consistent torque loading and superior thread engagement under high-stress conditions. This 10-piece kit is ideal for securing manifold, chassis, or drivetrain components where fastener failure is not an option.

• Thread Size: 3/8-24
• Nut Type: Hex
• Package Quantity: 10-Piece Set
• Manufacturer Part Number: 200-8634

Fits Chevrolet 90-degree V6 and 265-454 V8 engines equipped with a 1-piece rear main seal.

The ARP 200-2906 Flexplate Bolt Kit provides the essential strength and reliability required for high-performance drivetrain applications. These fasteners are designed to replace standard OE hardware, offering superior clamping force to keep the flexplate securely attached to the crankshaft during high-RPM operation. Engineered for maximum durability, these bolts are a critical upgrade for performance builds where standard fasteners may be prone to stretching or failure.

• Manufacturer Part Number: 200-2906
• Compatible Engines: Chevrolet 90-degree V6 and 265-454 V8
• Rear Seal Compatibility: 1-piece rear main seal
• Engineered for high-strength durability and consistent clamping force
• Designed specifically for flexplate-to-crankshaft mounting

These ARP 10-24 x .625 specialty bolts are engineered for superior strength and corrosion resistance in demanding automotive applications. Manufactured from ARP’s proprietary Stainless 300 alloy, these fasteners are rated at a 170,000 psi tensile strength, significantly outperforming standard Grade 8 hardware. The 12-point head design provides a larger surface area for socket engagement, allowing for more consistent torque application in tight clearances.

• Thread Size: 10-24
• Length: .625 in (5/8")
• Head Style: 12-Point
• Material: Stainless 300 (Stainless Steel)
• Tensile Strength: 170,000 psi
• Finish: Polished
• Manufacturer Part Number: 701-0625

Ideal for engine dress-up, accessory mounting, and bracketry where both aesthetics and mechanical integrity are required. The polished stainless finish is maintenance-free and resistant to rust and pitting, even in harsh environments.

The ARP General Replacement Steel Rod Bolt Kit (MPN 200-6208) is an essential upgrade for engine builders who demand more reliability than standard factory fasteners can provide. These connecting rod bolts are designed to maintain precise rod cap alignment and provide the consistent clamping force necessary to prevent catastrophic engine failure during high-RPM operation.

Manufactured from high-strength steel and heat-treated for maximum durability, these bolts undergo a rigorous manufacturing process where threads are rolled after heat treatment. This sequence significantly improves fatigue resistance compared to lower-grade OE hardware. Whether you are performing a stock rebuild or a mild performance upgrade, this kit ensures your bottom end is secured with professional-grade fasteners.

• Manufacturer Part Number: 200-6208
• Material: High-strength general replacement steel
• Heat-treated for superior tensile strength and reliability
• Threads rolled after heat treat for maximum fatigue life
• Precision-machined to ensure consistent preload and rod cap stability

This ARP M9 x 1.25 12-point nut kit (part number 300-8362) provides professional-grade fastening for critical automotive applications. The 12-point head design offers a superior grip surface for higher torque applications and easier tool engagement in tight clearances compared to traditional hex-style fasteners.

• Thread Size: M9 x 1.25
• Head Style: 12-Point
• Quantity: 10-Pack
• Manufacturer Part Number: 300-8362
• Precision machined for consistent thread engagement and uniform load distribution.

This 5-pack of ARP 774-1008 fasteners provides the professional-grade strength and superior corrosion resistance required for critical automotive and custom fabrication projects. Manufactured from ARP’s proprietary Stainless 300 alloy, these M12 x 1.50 bolts are polished to a high-luster finish that resists rusting and pitting even in harsh environments. The 12-point head design provides a larger gripping surface for more consistent torque distribution and allows for better tool clearance in tight spaces compared to traditional hex-head hardware.

• Brand: ARP (Automotive Racing Products)
• Part Number: 774-1008
• Thread Size: M12 x 1.50
• Under Head Length (UHL): 70mm
• Head Style: 12-Point
• Material: Stainless 300 Alloy
• Quantity: 5 Bolts per package

Engineered for durability and precision, these bolts are significantly stronger than standard Grade 8 hardware, making them a reliable choice for high-stress applications where both aesthetics and structural integrity are paramount.

The ARP 91.5mm Tapered Ring Compressor is an essential precision tool for professional engine assembly. Designed to eliminate the risk of ring breakage or snagging, this tool provides a gradual, smooth compression of the piston rings as they are installed into the cylinder bore. Unlike universal adjustable compressors, the fixed 91.5mm diameter ensures perfect alignment and consistent pressure during the installation process.

• Bore Diameter: 91.5mm
• Tool Type: Tapered Ring Compressor
• Material: Precision machined for exact tolerances
• Application: Safe piston and ring installation into the cylinder block
• Manufacturer Part Number: 901-9150

This tool is engineered to help builders achieve a seamless transition from the ring compressor to the bore, protecting both the rings and the cylinder walls from damage. It is a must-have for any high-performance engine build requiring 91.5mm bore specifications.

The ARP Torque Converter Bolt Kit (230-7301) is engineered to provide superior clamping force and reliability for GM Turbo 350 and Turbo 400 transmissions equipped with production-style torque converters. In high-performance or heavy-duty applications, factory fasteners are susceptible to stretching or shearing; this ARP kit replaces worn or weak OE hardware with high-strength fasteners to maintain a secure connection between the flexplate and the converter.

• Compatible with GM TH350 and TH400 transmissions
• Designed specifically for production-style torque converters
• High-strength material construction for increased durability and tensile strength
• Precision-machined for consistent torque loading and fitment
• Includes necessary washers for installation
• Manufacturer Part Number: 230-7301

Fits 2005-Up Ford models equipped with the 2.5L B5254 5-cylinder engine (2.5L).

The ARP 251-5801 Main Stud Kit provides the superior clamping force necessary to secure your engine's bottom end under high-performance conditions. Unlike factory bolts that twist during the tightening process, these studs allow for more accurate torque loading by pulling the threads rather than twisting them. This design helps prevent main cap walk and protects the threads in your engine block from premature wear.

• Manufacturer Part Number: 251-5801
• Application: Ford 2.5L B5254 5-Cylinder engine
• Components: High-strength main studs, 12-point nuts, and parallel-ground washers
• Installation: Replaces factory main cap bolts for increased bottom-end stability

Fits select 2011-2014 Ford F-150 and Mustang models (5.0L).

The ARP 156-2502 Harmonic Balancer Bolt Kit provides the essential clamping force required to keep your crankshaft pulley securely seated during high-RPM operation. Unlike factory torque-to-yield fasteners which must be discarded after every use, this ARP kit is designed for repeated use and superior reliability in high-performance Coyote builds.

• Manufacturer Part Number: 156-2502
• Engine Compatibility: Ford 5.0L Coyote
• Included Hardware: High-strength bolt and heavy-duty parallel-ground washer
• Installation: Replaces factory crankshaft damper bolt

Vehicle Fitment:

Precision engine assembly requires tools that protect your components during critical steps. The ARP 900-2125 Tapered Piston Ring Compressor is CNC-machined from 6061-T6 aluminum billet and features a specific radius for its designated bore size. Unlike universal adjustable band-style compressors, this fixed-diameter tool provides a smooth, tapered transition that ensures rings are compressed evenly into the cylinder without the risk of snagging or breakage.

• Bore Size: 4.2125 inches
• Material: CNC-machined 6061-T6 aluminum billet
• Finish: Type III hard-anodized for long-term durability and wear resistance
• Design: Precision-tapered bore with internal radius for seamless piston installation
• Manufacturer Part Number: 900-2125

Secure your engine's top end with the ARP Head Stud Kit (216-4301), specifically engineered for Renault 2.0L (F4R) engines. This kit is a critical upgrade for high-performance builds where cylinder pressures exceed the limits of factory head bolts, helping to prevent head gasket failure and cylinder head lift.

• High-Strength Construction: Manufactured from premium 8740 chrome moly steel, heat-treated to a 200,000 psi tensile strength.
• Precision Threads: J-form threads are rolled after heat treatment for maximum fatigue strength and structural integrity.
• Consistent Clamping: Studs provide more accurate and consistent torque loading compared to factory stretch-bolts.
• Complete Hardware: Includes parallel-ground washers, 12-point nuts, and ARP Ultra-Torque fastener assembly lubricant.
• Manufacturer Part Number: 216-4301

Fits 1995-2005 Volkswagen Golf GTI and GTI VR6 models.

The ARP 204-6006 Connecting Rod Bolt Kit is an essential upgrade for Volkswagen VR6 engine rebuilds and high-performance applications. Engineered to exceed the capabilities of factory hardware, these fasteners provide the necessary clamping force and fatigue resistance to maintain connecting rod integrity under high-RPM and high-load conditions.

Replacing standard OE bolts with ARP hardware helps prevent rod cap movement and ensures the big-end bore remains concentric, protecting critical engine bearings and the crankshaft. These bolts are designed as a direct-fit solution for the VR6 engines found in the Golf GTI platform, offering the reliability needed for both street and track use.

• Manufacturer Part Number: 204-6006
• Precision-engineered for Volkswagen VR6 connecting rods
• Significantly higher tensile strength than standard factory fasteners
• Helps prevent catastrophic engine failure by securing the rotating assembly
• Ideal for high-performance builds and standard engine refreshes

The ARP 4.055in Tapered Piston Ring Compressor is a precision engine-building tool designed to ensure safe and efficient piston installation. Unlike universal adjustable compressors that can lead to ring breakage or misalignment, this fixed-bore tool uses a precise internal taper to gradually compress the rings as the piston is pushed into the cylinder. This eliminates the risk of snagging a ring on the deck surface or marring the piston skirts during assembly.

• CNC-machined from high-quality 6061-T6 aluminum billet for exceptional durability
• Hard-anodized finish provides a smooth surface and resists wear over time
• Precision 4.055-inch bore diameter for exact tolerances
• Tapered design facilitates a seamless transition from the tool into the engine block
• Manufacturer Part Number: 900-0550

This set of five ARP 12-point fasteners (MPN: 773-1009) provides a high-strength, corrosion-resistant hardware solution for demanding automotive applications. Manufactured from ARP’s proprietary stainless steel alloy, these bolts are designed to outperform standard grade-8 hardware while maintaining a show-quality polished finish that resists rust and pitting.

The compact 12-point head design offers a smaller footprint than traditional hex heads, allowing for easier socket access in tight clearances and providing a superior load-bearing surface. These M10 x 1.25 x 70mm bolts are ideal for securing brackets, accessories, and engine components where structural integrity and aesthetics are equally important.

• Thread Size: M10 x 1.25
• Underhead Length: 70mm
• Head Style: 12-Point
• Material: Polished Stainless Steel
• Quantity: Set of 5
• Manufacturer Part Number: 773-1009

Secure your critical components with this 5-pack of ARP 12-point bolts. Engineered to outperform standard Grade 8 and OE hardware, these high-strength fasteners are designed for performance applications where superior clamping force and reliability are required. The compact 12-point head design allows for better tool clearance and easier socket access in confined engine bays and chassis locations.

Each bolt features precision-rolled threads for maximum engagement and a durable black oxide finish to resist corrosion. These fasteners are an essential upgrade for any build requiring M10 x 1.50 hardware that can withstand the rigors of high-performance use.

• Manufacturer Part Number: 672-1003
• Thread Size: M10 x 1.50
• Under Head Length: 30mm
• Head Style: 12-Point
• Finish: Black Oxide
• Quantity: 5 Bolts per Package

Secure your engine accessories or chassis components with these high-strength ARP M8 x 1.25 x 65mm bolts. Precision-engineered for applications where standard Grade 8 hardware is insufficient, these fasteners feature a compact 12-point head design. This allows for superior tool clearance in tight spaces and increased surface contact for more reliable torque application. The black oxide finish provides a professional, clean look while offering a layer of corrosion protection for long-term durability.

• Manufacturer Part Number: 671-1010
• Thread Size: M8 x 1.25
• Underhead Length: 65mm
• Head Style: 12-Point
• Finish: Black Oxide
• Material: High-strength alloy hardware
• Package Quantity: 5 bolts

This ARP 10-piece stud kit (MPN: 400-8023) offers a high-strength fastening solution for critical automotive components. Featuring M8 x 1.25 threads and a 45mm overall length, these studs are engineered for precision and reliability where standard bolts often fail. The broached design includes an internal hex at the end of the stud, allowing you to easily seat each piece using an Allen wrench before securing the nut.

Switching to a stud-and-nut combination provides superior clamping force and more accurate torque readings compared to traditional bolts. Studs also serve as a guide during assembly, making it much easier to align gaskets and manifolds while protecting the threads in your engine block or cylinder head from repetitive wear.

• Thread Size: M8 x 1.25
• Overall Length: 45mm
• Quantity: 10 Piece Set
• Installation Feature: Broached ends for hex-key engagement
• Manufacturer Part Number: 400-8023

Engineered for high-stress internal engine environments, this ARP 3/8-24 12-point connecting rod bolt provides the superior clamping force and fatigue resistance necessary for performance rotating assemblies. Designed to replace standard hardware with precision-engineered fasteners, it ensures the integrity of the rod cap under high-RPM loads.

• Manufacturer Part Number: 3AJ1.850-2C
• Thread Size: 3/8-24
• Head Style: 12-Point
• Under Head Length (UHL): 1.850 in
• Quantity: Single bolt

Fits Ford 2.5L B5254 engines. Upgrade your engine's reliability with the ARP 251-4703 Head Stud Kit. These high-strength fasteners are designed to replace factory torque-to-yield (TTY) bolts, providing the superior clamping force necessary to prevent cylinder head lifting and head gasket failure in high-performance or forced-induction applications.

• Manufacturer Part Number: 251-4703
• Engine Compatibility: Ford 2.5L B5254
• Precision-ground and heat-treated for maximum fatigue strength
• Black oxide finish provides excellent corrosion and wear resistance
• Complete kit includes high-strength studs, parallel-ground washers, and 12-point nuts
• Reusable fasteners offer consistent torque loading compared to OE bolts

Secure your valvetrain with the ARP 234-7207 Rocker Arm Stud Kit, specifically engineered for Chevrolet Small Block Gen III and Gen IV LS-series engines. Standard bolts can cause thread wear and inconsistent clamping force in aluminum cylinder heads; switching to high-strength studs provides a more accurate torque load and protects the head's internal threads during assembly and maintenance.

• Fits Chevrolet Small Block Gen III and Gen IV LS-series engines.
• Manufactured from premium 8740 chrome moly steel for maximum durability.
• Heat-treated to 180,000 psi tensile strength to withstand high-RPM valvetrain stress.
• Precision J-form threads rolled after heat treatment for superior fatigue resistance.
• Ensures consistent rocker arm alignment and stable clamping force.
• Complete kit includes all necessary studs and nuts for a full installation.
• Manufacturer Part Number: 234-7207

Ensure your harmonic balancer stays securely seated with the ARP 234-2504 Balancer Bolt Kit, specifically engineered for Chevy LS7 engines. Unlike factory torque-to-yield fasteners that must be discarded after a single use, this high-strength ARP bolt is fully reusable and provides significantly higher clamping force for high-performance street and track applications.

Forged from 8740 chromoly steel and heat-treated to a 200,000 psi tensile strength rating, this fastener is built to withstand extreme engine harmonics and high RPMs. The kit includes an extra-thick, precision-ground washer to ensure even load distribution across the balancer hub, and the 12-point head design allows for more positive socket engagement during installation.

• Fits Chevy Gen III/IV LS7 engines
• Manufacturer Part Number: 234-2504
• 12-point head style for secure, high-torque application
• Forged from 8740 chromoly steel for superior strength
• Rated at 200,000 psi tensile strength
• Includes 1/4 inch thick parallel-ground washer
• Reusable alternative to OEM torque-to-yield bolts

Ensure your high-volume oil pump is securely fastened and perfectly aligned with the ARP Oil Pump Stud Kit (230-7003). Specifically engineered for Chevrolet V8 engines, this kit replaces standard mounting bolts with high-strength studs to eliminate the risk of thread wear in the block and ensure consistent clamping force under high-performance conditions.

Using studs rather than bolts simplifies the installation of high-volume pumps by allowing the pump and gasket to be precisely positioned before the fasteners are torqued. The hex head design provides a reliable tool interface, and the increased tensile strength of the hardware prevents pump movement or gasket failure caused by vibration and high-pressure oil loads.

• Fits select Chevrolet V8 engines equipped with high-volume oil pumps
• Provides superior alignment and clamping force compared to factory hardware
• Hex head nut design for easy installation and torque application
• Ensures proper oil pump to block positioning
• Manufacturer Part Number: 230-7003