These ARP M8 washers are engineered to provide a precise, durable bearing surface for high-performance fastening applications. Designed to protect mounting surfaces from galling while ensuring even load distribution, these washers are essential for any build requiring ARP-level reliability and tolerances.

• Manufacturer Part Number: 200-8643
• Inner Diameter: M8
• Outer Diameter: 0.575 inch
• Finish: Black
• Quantity: 10 per package

Each washer is manufactured to ARP's strict quality standards, offering superior strength and a clean, professional finish for engine bay or chassis assembly.

The ARP 200-8635 Hex Nut Kit provides the precision and material integrity required for high-performance automotive assembly. Designed to replace inferior standard hardware, these 7/16-20 nuts are engineered for consistent clamping force and reliable thread engagement in high-stress environments. Whether used for specialized engine builds or general-purpose performance applications, ARP fasteners are the industry standard for durability and fatigue resistance.

• Manufacturer Part Number: 200-8635
• Thread Size: 7/16-20
• Nut Style: Standard Hex
• Precision machined for uniform load distribution
• Ideal for critical automotive and performance applications

Ensure proper load distribution and fastener seating with this 10-pack of ARP precision-ground insert washers. Designed for high-stress automotive applications, these washers provide a flat, stable mounting surface that prevents galling and helps achieve consistent torque readings during assembly. Whether you are working on engine internals or chassis components, using high-quality hardware is essential for maintaining fastener integrity.

These washers are manufactured from premium materials to ARP's strict tolerances, ensuring they can withstand the extreme clamping forces required in performance racing and heavy-duty builds. They serve as a direct replacement for worn or damaged hardware and are an essential addition to any professional engine builder's workspace.

• Inner Diameter (ID): 7/16 in
• Outer Diameter (OD): 0.875 in
• Quantity: 10 Washers per pack
• Manufacturer Part Number: 200-8598

These precision-machined ARP chamfered washers are designed to provide a flat, parallel load-bearing surface for high-performance fasteners. The chamfered inner diameter is specifically engineered to clear the radius under the head of a bolt or stud, ensuring a proper seat and consistent torque distribution during installation.

Finished in a durable black oxide, these M10 washers are built to withstand the rigors of high-stress engine or chassis applications. This 10-pack provides a professional-grade hardware solution for builders who require tight tolerances and reliable fastener seating.

• Manufacturer Part Number: 200-8592
• Internal Diameter: M10
• Outer Diameter: .850 inch
• Material Finish: Black Oxide
• Design: Chamfered inner diameter for radius clearance
• Quantity: Set of 10

Optimize your fastener assembly with the ARP 200-8574 1/2-inch Inner Diameter Insert Washers. These precision-engineered hardware components are designed to provide a smooth, flat bearing surface, ensuring consistent torque loads and preventing damage or galling to the mounting surface. ARP insert washers are essential for high-performance applications where precise alignment and durability are critical for engine and chassis integrity.

• Manufacturer Part Number: 200-8574
• Inner Diameter: 1/2-inch
• Washer Type: Insert style
• Package Quantity: Set of 10

Ensure consistent clamping force and even load distribution with this 10-pack of ARP 200-8551 precision-ground washers. Specifically engineered for high-performance automotive assembly, these washers provide a flat, stable mating surface that helps prevent galling and ensures more accurate torque readings during installation.

• Parallel-ground surfaces ensure uniform thickness and load distribution.
• Durable black oxide finish offers essential corrosion resistance for engine and chassis environments.
• Precision-sized with a metric M12 internal diameter and a fractional .875-inch outer diameter.

• Brand: ARP
• Part Number: 200-8551
• Internal Diameter (ID): M12
• Outer Diameter (OD): .875 in.
• Finish: Black Oxide
• Quantity: Set of 10

Ensure uniform load distribution and protect critical mating surfaces with this pack of 10 ARP M12 ID .875 OD washers. Precision-machined for flat, consistent contact, these washers are an essential hardware upgrade for any high-performance build where standard commercial-grade hardware fails to meet professional tolerances.

Finished in a durable black oxide, these washers provide a smooth bearing surface that helps prevent surface galling and ensures more accurate torque readings during fastener installation. Whether you are finishing an engine assembly or securing chassis components, ARP hardware delivers the reliability required for racing and high-stress automotive applications.

• Manufacturer Part Number: 200-8537
• Internal Diameter (ID): M12
• Outside Diameter (OD): .875 inch
• Finish: Black Oxide
• Quantity: Set of 10

Ensure consistent clamping force and protect your hardware with this pack of 10 ARP precision-ground washers. Designed for high-stress automotive applications, these washers provide a stable bearing surface and are manufactured from high-quality heat-treated material to prevent deformation under heavy torque loads.

• Inner Diameter: M12
• Outer Diameter: 0.750 inch
• Edge Profile: No Chamfer (Square Edge)
• Quantity: Pack of 10
• Manufacturer Part Number: 200-8536

These ARP 200-8536 washers are ideal for use where a flat-edge contact is required, ensuring the fastener head sits flush against the washer without interference. Unlike chamfered washers designed to clear a radius, these provide maximum surface contact on flat-face components.

These ARP precision-ground washers are engineered to provide a flat, parallel mating surface for high-performance fastening applications. Unlike standard hardware, these washers are heat-treated and designed to distribute clamping loads evenly, protecting your components from galling and surface deformation during high-torque assembly. The black oxide finish provides essential corrosion resistance and a professional look for engine, drivetrain, or chassis projects.

• Inside Diameter: 9/16in
• Outside Diameter: 1.00in
• Finish: Black Oxide
• Package Quantity: 10-pack
• Precision-ground and heat-treated for maximum durability
• Manufacturer Part Number: 200-8535

These premium ARP washers provide a flat, smooth bearing surface for nuts and bolt heads, ensuring even load distribution across the clamping area. Precision-manufactured to strict tolerances, they prevent fastener galling and surface deformation on critical engine and chassis components. The black finish offers a clean look and added durability for high-performance builds.

• Manufacturer Part Number: 200-8534
• Inside Diameter (ID): 1/2 inch
• Outside Diameter (OD): 7/8 inch
• Finish: Black Oxide
• Quantity: Pack of 10

Ensure uniform load distribution and protect your mounting surfaces with this 10-pack of ARP black oxide washers. Precision-machined for consistency, these washers provide a flat, smooth bearing surface necessary for achieving accurate torque readings during assembly. They help prevent surface galling on aluminum or steel components, making them an essential hardware choice for high-performance engine and chassis applications.

• Inner Diameter (ID): 7/16 in
• Outer Diameter (OD): 7/8 in
• Finish: Black Oxide
• Quantity: Pack of 10
• Manufacturer Part Number: 200-8532

Ensure precision and consistency in your automotive assembly with this 10-pack of high-quality ARP fastener washers. Designed to provide a smooth, flat bearing surface for bolt heads or nuts, these washers help distribute clamping loads evenly while preventing galling on your vehicle's components.

Engineered for professional-grade reliability, the black oxide finish provides corrosion resistance and a clean, professional look under the hood. These washers are essential for maintaining accurate torque readings and ensuring the structural integrity of your fastened joints.

• Inside Diameter (ID): 7/16 in
• Outside Diameter (OD): 3/4 in
• Finish: Black Oxide
• Quantity: Pack of 10
• Manufacturer Part Number: 200-8531

Ensure consistent clamping force and protect your engine components with this 10-pack of ARP 200-8530 washers. These high-strength fasteners are precision-engineered to provide a flat, stable seating surface for bolts and nuts, preventing surface galling and ensuring accurate torque readings during assembly.

• Manufacturer Part Number: 200-8530
• Inside Diameter (ID): 7/16 in
• Outside Diameter (OD): 13/16 in
• Finish: Black Oxide for corrosion resistance
• Quantity: Pack of 10

Ideal for custom builds and replacement hardware, these ARP washers are hardened to withstand the high-stress environments of performance engines and drivetrains.

Fits Chevy 265-454 V8 engines equipped with a 2-piece rear main seal.

Secure your drivetrain with the ARP Pro Series flexplate bolt kit, designed to withstand the high rotational stress and shearing forces found in high-performance and racing applications. These bolts are forged from aerospace-grade 8740 chromoly steel and heat-treated to a 200,000 psi tensile strength rating, far exceeding OEM hardware standards. Each bolt features a precision-machined 12-point head and an oversized shank for improved register and increased strength.

• Manufacturer Part Number: 200-2902
• Material: 8740 Chromoly Steel
• Tensile Strength: 200,000 psi
• Thread Size: 7/16-20
• Head Style: 12-Point
• Fitment: Chevy 2-Piece Rear Main Seal Small Block and Big Block
• Quantity: Set of 6 bolts

Fits 1987-up Chevrolet Small Block engines with a one-piece rear main seal.

Secure your drivetrain with the ARP High Performance series flywheel bolt kit. Engineered to surpass OEM hardware standards, these fasteners are designed specifically for the 1987-and-later Chevy Small Block (SBC) 1-piece rear seal crankshaft flange. These bolts provide the necessary clamping force to handle high-RPM stress and increased torque loads in performance applications.

• Forged from 8740 chrome moly steel for exceptional strength and reliability.
• Heat-treated to a 190,000 psi tensile strength rating.
• Features a compact 12-point head design to ensure easier socket access in tight bellhousing clearances.
• Precision-machined threads for accurate and consistent torque loading.
• Black oxide finish for long-lasting corrosion resistance.
• Includes a complete set of six (6) bolts.
• Manufacturer Part Number: 200-2807

Fits select Chevrolet and Ford engines requiring 7/16-20 thread fasteners. This ARP Pro Series flywheel bolt kit provides the essential clamping force needed to secure the flywheel to the crankshaft in high-performance and racing applications.

Forged from premium 8740 chrome moly steel and heat-treated to a 200,000 psi tensile strength rating, these fasteners are significantly stronger than OEM Grade 8 hardware. The 12-point head design provides more surface area for socket engagement, while the larger-than-stock shank diameter ensures a precise flywheel register to prevent shearing and vibration under high-load conditions.

• Manufacturer Part Number: 200-2802
• Thread Size: 7/16-20
• Material: 8740 Chrome Moly
• Tensile Strength: 200,000 psi
• Head Style: 12-Point
• Finish: Black Oxide
• Included: 6 bolts and matching washers

Secure your carburetor and ensure a reliable, leak-free seal with the ARP Carburetor Spacer Stud Kit (MPN 200-2402). Specifically designed for applications utilizing a 1-inch thick spacer, these studs provide the necessary 2.700-inch overall length (OAL) to properly accommodate the combined height of the spacer, gaskets, and carburetor base plate.

Switching from standard bolts to high-strength studs protects the threads in your aluminum intake manifold and allows for more accurate torque loading and easier carburetor alignment during installation. This kit comes complete with the hardware required for a professional-grade install on the track or the street.

• Engineered for use with 1" thick carburetor spacers
• 2.700" Overall Length (OAL)
• Stud design protects intake manifold threads and improves clamping force
• Kit includes high-strength studs, hex nuts, and washers
• Manufacturer Part Number: 200-2402

The ARP 200-2401 Standard Carburetor Stud Kit provides a professional-grade mounting solution for carburetors, offering significant advantages over traditional bolts. Utilizing studs ensures precise gasket alignment and protects the internal threads of your intake manifold—particularly aluminum ones—from the wear associated with repeated removal and installation.

These studs feature a 1.7-inch overall length (OAL) and are equipped with a 1/2-inch hex socket drive for controlled installation. This design allows for even clamping force to prevent vacuum leaks and ensure a consistent seal between the carburetor base and the intake flange.

• Manufacturer Part Number: 200-2401
• Overall Length (OAL): 1.7 inches
• Hex Socket Size: 1/2-inch
• Application: Standard carburetor mounting
• Improves gasket alignment and manifold thread longevity

Secure your drivetrain with the ARP Suzuki 1.6L M16A 4-Cylinder Flywheel Bolt Kit. These high-strength fasteners are engineered to handle the increased rotational stress and shear forces found in performance applications, providing a critical upgrade over standard factory hardware.

Forged from premium aerospace alloys and heat-treated for superior tensile strength, these bolts ensure the flywheel remains precisely coupled to the crankshaft. The kit features precision-rolled threads for consistent torque loading and a design that eliminates the risk of loosening during high-RPM operation. It is an essential component for any engine rebuild or flywheel replacement on the M16A platform.

• Fits Suzuki 1.6L M16A 4-cylinder engines
• Engineered for superior tensile strength compared to OEM bolts
• Precision-machined threads ensure accurate and repeatable torque
• Complete kit for a direct replacement installation
• Manufacturer Part Number: 171-2801

Fits Ford Coyote 5.0L engines.

The ARP 156-2801 Flywheel Bolt Kit is a critical upgrade for securing the flywheel to the crankshaft in high-performance Ford Coyote 5.0L applications. Designed to handle the increased torque and RPM of modified engines, these fasteners replace the factory hardware to provide superior clamping force and reliability for your rotating assembly.

• Manufacturer Part Number: 156-2801
• Application: Ford Coyote 5.0L engines
• Engineered for high-stress rotating assembly components
• Direct replacement for OE flywheel fasteners

Secure your engine's harmonic damper with the professional-grade ARP 156-2501 Balancer Bolt Kit, specifically engineered for Ford 4.6L V8 engines. This kit provides the necessary clamping force to ensure the balancer remains properly seated on the crankshaft, even under the high-stress conditions of performance driving and high-RPM use.

• Fits Ford 4.6L V8 engines.
• Features a 12-point head design for superior socket engagement and torque accuracy.
• Includes an extra-thick, parallel-ground washer for uniform load distribution.
• Precision machined for high-strength reliability and consistent performance.
• Manufacturer Part Number: 156-2501

Fits 1996-2011 Ford Mustang GT, Bullitt, and Shelby GT models equipped with Ford Modular engines.

The ARP 156-2201 Pressure Plate Bolt Kit provides the essential hardware needed to secure an 11-inch pressure plate to the flywheel. In high-performance applications, factory fasteners can stretch or fail under the increased clamping force and rotational stress of upgraded clutch systems. This kit replaces OE bolts with high-strength fasteners designed to maintain precise torque and prevent clutch failure.

• Manufacturer Part Number: 156-2201
• Application: Ford Modular 11-inch Pressure Plates
• Fitment: 1996-2011 Ford Mustang (GT, Bullitt, Shelby GT)
• Components: Complete pressure plate bolt set

Engineered for reliability, these bolts are a critical upgrade during any clutch service or flywheel replacement on 1996-2011 Mustang models to ensure the drivetrain remains secure under load.

Secure your engine's timing system with the ARP Cam Drive Bolt Kit (156-1006), specifically engineered for the Ford 5.0L Coyote engine. In high-performance and high-RPM applications, factory cam bolts can be a weak point; ARP fasteners provide the superior clamping force and fatigue resistance necessary to prevent timing shift or catastrophic valvetrain failure.

• Fits Ford 5.0L Coyote engines
• Manufacturer Part Number: 156-1006
• High-strength fastener design for improved valvetrain stability
• Critical upgrade for performance builds and high-load racing applications
• Precision machined for exact fitment and reliable torque readings

Fits Ford 2000cc Pinto engines.

The ARP 151-2801 Flywheel Bolt Kit is engineered to provide superior clamping force and reliability compared to standard OE hardware. Designed for high-performance and racing applications, these bolts secure the flywheel to the crankshaft, handling extreme rotational stress and vibration. Each bolt is precision-machined to ensure consistent torque loading and a perfect fit for the Ford Pinto's M10 x 1.0 thread requirement.

• Manufacturer Part Number: 151-2801
• Thread Size: M10 x 1.0
• Engine Application: Ford 2000cc Pinto
• High-strength alloy construction for maximum durability
• Precision-ground for optimized thread engagement

Fits Ford vehicles equipped with the 2.3L Duratec engine.

Ensure precise valve timing and valvetrain reliability with the ARP Cam Sprocket Bolt Kit. Designed to withstand the high-stress environment of performance engines, these fasteners provide significantly higher clamping force and tensile strength compared to factory hardware. This kit is a critical upgrade for any 2.3L Duratec build, whether you are performing a standard timing chain service or building a high-RPM race engine.

Unlike standard torque-to-yield (TTY) bolts that must be discarded after a single use, these ARP fasteners are reusable and engineered for maximum durability. They eliminate the risk of bolt stretch or failure, ensuring your camshaft gears stay securely timed under demanding conditions.

• Engineered specifically for Ford 2.3L Duratec applications
• Provides superior clamping force for cam sprocket security
• High-strength construction exceeds OEM hardware standards
• Reusable design replaces one-time-use factory TTY bolts
• Manufacturer Part Number: 151-1001

Includes: Cam sprocket bolt set and ARP Ultra-Torque assembly lubricant.

Ensure your engine remains securely anchored with the ARP 150-3102 Hex Motor Mount Bolt Kit. Engineered as a high-strength alternative to factory hardware, these bolts are designed to withstand the high-torque environments and constant vibrations common in Ford powerplants. Replacing worn or stretched OE fasteners with ARP hardware provides a much higher safety margin and prevents mount failure during spirited driving or heavy-duty use.

ARP fasteners are manufactured to exacting tolerances, offering superior tensile strength compared to standard grade hardware. This kit features a traditional hex head design for easy tool access in tight engine bays and includes premium hardened washers to ensure even load distribution across the mounting surface.

• Manufacturer Part Number: 150-3102
• Application: Ford Motor Mounts
• Head Style: Hex
• Hardware Included: High-strength bolts and hardened flat washers
• Provides superior clamping force over original equipment

Fits Ford 6.4L diesel engines.

Secure your drivetrain with the ARP Ford 6.4L Diesel Flexplate Bolt Kit. Specifically engineered to handle the extreme torque loads of diesel applications, these fasteners provide a critical upgrade over factory hardware. These bolts ensure the flexplate remains properly indexed and securely mated to the crankshaft, preventing the shearing or loosening that can occur in high-load or performance environments.

• Manufacturer Part Number: 150-2902
• Engineered for high-torque Ford 6.4L diesel applications
• Replaces standard factory flexplate fasteners
• Precision-machined for exact tolerances and superior tensile strength

Secure your crankshaft damper with the ARP Ford 6.4L Diesel Harmonic Balancer Bolt Kit. This high-strength fastener solution is designed to handle the extreme torque and vibration loads common in heavy-duty Powerstroke diesel applications, ensuring your harmonic balancer remains properly seated during high-RPM operation or high-load towing.

• Fits Ford 6.4L Powerstroke Diesel engines.
• Replaces standard OEM hardware with high-strength fasteners for increased clamping force.
• Features a heavy-duty, parallel-ground washer to ensure even load distribution across the balancer face.
• Reusable design provides a significant advantage over factory torque-to-yield bolts that require replacement after every removal.
• Precision machined to exact tolerances for a perfect fit and reliable performance.
• Manufacturer Part Number: 150-2505

The ARP 150-2501 Ford Balancer Bolt Kit provides the essential clamping force required to keep your harmonic balancer securely locked to the crankshaft. Engineered to withstand the extreme vibration and rotational stresses found in high-performance engines, this kit replaces standard factory hardware with a more reliable, high-strength solution from the industry leader in engine fasteners.

Each kit is designed for precise fitment and includes a wide-area washer that distributes load evenly across the balancer hub. This prevents the balancer from shifting or loosening during operation, ensuring the long-term integrity of your engine's rotating assembly and accessory drive components.

• Manufacturer Part Number: 150-2501
• Application: Select Ford engines
• Components: High-strength bolt and heavy-duty flat washer
• Ensures proper harmonic balancer retention and crankshaft protection
• Reliable replacement for worn or stretched OE hardware

Fits 1986-1995 Ford Mustang models.

Ensure your clutch assembly stays securely fastened under high-RPM stress with the ARP 150-2202 Pressure Plate Bolt Kit. These high-strength fasteners are a critical upgrade over factory hardware, which can stretch or shear in performance applications. Engineered for maximum reliability, these bolts feature a large diameter under-head flange for superior load distribution across the pressure plate.

• Manufacturer Part Number: 150-2202
• Material: Heat-treated 8740 chrome moly steel
• Finish: Black oxide for corrosion resistance
• Tensile Strength: Rated at 180,000 psi
• Head Style: 12-point
• Replaces weak factory hardware to prevent clutch failure in high-torque applications