Fits Dodge Hemi (6.1L) engines.

Ensure your drivetrain is securely locked down with the ARP 147-7301 Torque Converter Bolt Kit. In high-performance Hemi applications, the torque converter fasteners are subjected to extreme shearing forces and rotational stress. This kit replaces standard OEM hardware with high-strength fasteners designed to eliminate bolt stretch and prevent loosening under load.

• Manufacturer Part Number: 147-7301
• Application-specific fitment for Dodge Hemi 6.1L engines
• Engineered for superior tensile strength compared to factory hardware
• Precision-machined threads for consistent torque loading
• Critical upgrade for high-horsepower or high-RPM builds

Fits Dodge Hemi 5.7L and 6.1L engines.

The ARP Flexplate Bolt Kit (MPN: 147-2902) provides the high-strength hardware required to securely anchor the flexplate to the crankshaft. Engineered to withstand the intense shearing forces and rotational stress of high-performance applications, these fasteners offer a significant upgrade over standard factory hardware, ensuring drivetrain stability during high-RPM operation.

• Designed specifically for Gen III Dodge Hemi engines
• Precision-machined threads for consistent torque loading
• Replaces OEM fasteners for increased reliability and peace of mind
• Includes all necessary hardware for a complete installation
• Manufacturer Part Number: 147-2902

Protect your drivetrain from the high torque loads of the Cummins diesel engine with the ARP 147-2901 Flex Plate Bolt Kit. These premium fasteners are engineered to replace the factory hardware, offering significantly higher tensile strength and fatigue resistance. This kit is a vital upgrade for maintaining a secure connection between the crankshaft and the flexplate, especially in vehicles with increased power levels or heavy towing demands.

• Fits Dodge Cummins diesel applications
• Manufactured from aircraft-quality 8740 chrome moly steel
• Heat-treated to 200,000 psi tensile strength for maximum reliability
• Precision-rolled J-form threads for superior fatigue life
• Black oxide finish for corrosion resistance
• Includes a complete set of 8 bolts
• Manufacturer Part Number: 147-2901

Fits 1994-2005 Dodge Ram 2500 and 3500 models equipped with the 5.9L Cummins diesel engine.

When building or maintaining a high-torque Cummins diesel, the flywheel-to-crankshaft connection is a critical point of failure. This ARP Flywheel Bolt Kit (MPN: 147-2802) provides the high-strength fastening required to secure the flywheel against the heavy rotational loads and vibrations inherent to the 5.9L power plant. Unlike standard hardware, ARP fasteners are engineered to exceed factory specifications for tensile strength and fatigue resistance.

• Specifically designed for 1994-2005 5.9L Cummins diesel applications
• Replaces factory flywheel hardware for improved reliability
• Engineered to handle high torque and heavy-duty drivetrain stress
• Complete kit for a full flywheel installation
• Manufacturer Part Number: 147-2802

Secure your drivetrain with the ARP 147-2801 Flywheel Bolt Kit, specifically engineered for Dodge Hemi (6.1L) engines. Flywheel bolts are subject to extreme torsional stress and high RPMs; these ARP fasteners provide a significant strength upgrade over factory hardware to prevent shearing or loosening in high-performance applications.

Forged from premium 8740 chrome moly steel and heat-treated to a 180,000 psi tensile strength rating, these bolts feature a 12-point head design for superior socket engagement. The precision-ground shank ensures an exact fit and improved flywheel registry, making them essential for any serious engine build or clutch service.

• Manufacturer Part Number: 147-2801
• Material: 8740 Chrome Moly Steel
• Tensile Strength: 180,000 psi
• Head Style: 12-Point
• Application: Fits Dodge Hemi (6.1L)
• Quantity: Full kit for flywheel installation

Fits Dodge Cummins 24V engines (6.7L).

Ensure your vibration damper remains securely mounted with the ARP 147-2503 Balancer Bolt Kit. In high-torque diesel applications like the 6.7L Cummins, factory hardware can be prone to stretching or loosening over time. ARP fasteners are engineered from premium materials to provide superior clamping force and fatigue resistance compared to standard OE bolts.

• Manufacturer Part Number: 147-2503
• Engine Fitment: 6.7L Cummins 24V Diesel
• High-strength replacement for factory harmonic balancer hardware
• Precision machined for consistent torque loading

Fits Dodge Cummins 5.97L 12V/24V diesel engines.

The ARP 147-2502 Balancer Bolt Kit is a critical upgrade for maintaining the integrity of your engine's bottom end. Factory balancer bolts are known to stretch or back out under the high-torque conditions typical of Cummins diesel engines, which can lead to harmonic damper failure and crankshaft damage. This ARP hardware kit provides the high clamping force required to keep the balancer securely torqued during heavy-duty use or high-RPM operation.

• Specifically engineered for Dodge Cummins 5.97L 12V and 24V applications
• Forged from premium 8740 chrome moly steel for maximum strength
• Heat-treated to ensure consistent load distribution and reliability
• Includes a heavy-duty parallel-ground washer to prevent surface galling
• Corrosion-resistant black oxide finish
• Manufacturer Part Number: 147-2502

Fits Chrysler 5.7L and 6.1L Hemi engines. This ARP 147-2501 Harmonic Balancer Bolt Kit is designed to provide reliable clamping force for the crankshaft vibration damper, replacing standard factory hardware. Whether you are performing a cam swap or a complete engine rebuild, this 12-point fastener ensures your balancer remains securely seated under high-load conditions.

The 12-point head design provides more contact area for your socket, significantly reducing the risk of rounding the bolt head during high-torque installation or removal. This kit is a direct replacement for OE hardware and includes a thick, wide-area washer to distribute the load evenly across the balancer hub.

• Manufacturer Part Number: 147-2501
• Application: Chrysler Hemi 5.7L and 6.1L engines
• Head Style: 12-Point
• Includes precision-machined balancer bolt and wide-area washer
• Engineered for high-performance harmonic balancer retention

Fits Jeep Inline 6 (4.0L) engines.

Ensure your drivetrain reliability with the ARP Flywheel Bolt Kit (146-2801). Engineered specifically for the Jeep 4.0L engine, these fasteners replace standard OE hardware to provide superior clamping force and fatigue resistance. Whether you are rebuilding a high-mileage engine or preparing an off-road rig for technical trails, these bolts offer the security needed to handle increased torque and vibration without backing out or stretching.

• Designed specifically for Jeep 4.0L Inline 6 flywheel applications
• Premium grade alloy construction for significantly higher tensile strength than standard hardware
• Precision machined for exact fitment and consistent torque loading
• Replaces factory fasteners to prevent hardware failure in demanding conditions
• Manufacturer Part Number: 146-2801

Ensure a professional-grade seal for your engine build with the ARP Hex Intake Manifold Bolt Kit (144-2003). Designed specifically for Small Block Chrysler Hemi (6.1L) engines, these high-strength fasteners provide the consistent clamping force required to prevent vacuum leaks and ensure the intake manifold remains securely seated under all operating conditions.

This kit replaces standard factory hardware with premium bolts featuring a compact hex head design. The reduced head size is particularly beneficial for clearance when working around intake runners and within the tight confines of the engine bay. These fasteners are specifically suited for securing aluminum intake manifolds, offering superior durability compared to OE hardware.

• Fits Small Block Chrysler Hemi engines (6.1L)
• Manufacturer Part Number: 144-2003
• Hex head design facilitates easier installation and socket access
• High-strength material prevents fastener stretching and torque loss
• Engineered for use with aluminum intake manifolds

Fits 1995-1997 Dodge Neon (2.0L / 2.4L).

This ARP Cam Tower Stud Kit provides significantly more accurate and consistent clamping force than factory bolts. By using studs instead of bolts, you ensure the cam towers remain perfectly aligned during assembly and minimize the risk of thread damage in the cylinder head. These studs are a critical upgrade for high-performance builds where maintaining precise camshaft tolerances is essential.

Manufactured from premium 8740 chrome moly steel and heat-treated to a tensile strength of 200,000 psi, these fasteners are designed to withstand the rigors of high-RPM operation. The kit features compact 12-point nuts to provide necessary clearance in the tight confines of the Chrysler DOHC cylinder head.

• Material: 8740 Chrome Moly Steel
• Nut Style: 12-Point
• Thread Sizes: M6x1.00 and M8x1.25
• Tensile Strength: 200,000 psi
• Manufacturer Part Number: 141-1001

Ensure a leak-free exhaust seal with the ARP 140-1101 Hex Header Bolt Kit, specifically engineered for Chrysler Hemi (6.1L) engines. These high-performance fasteners are designed to replace factory hardware that often loosens or fails under the extreme thermal cycling found in high-output Hemi applications.

Manufactured from premium 8740 chrome moly steel and heat-treated to a 170,000 psi tensile strength rating, these bolts offer significantly more clamping force than standard Grade 8 hardware. The compact hex head design allows for easier tool clearance in tight engine bays, while the black oxide finish provides durable corrosion resistance. Each kit includes premium-quality washers to ensure even load distribution across the header flange.

• Fits Chrysler Hemi (6.1L) engines
• Manufacturer Part Number: 140-1101
• Head Style: Hex
• Material: 8740 Chrome Moly
• Finish: Black Oxide
• Tensile Strength: 170,000 psi
• Includes complete set of bolts and washers

Ensure a secure seal and a professional finish on your GM LS-series engine with the ARP 12-Point Valley Cover Bolt Kit (134-8002). This kit is a direct replacement for standard factory hardware on LS1 and LS2 engines, offering significantly higher strength and more consistent clamping force than stock fasteners.

Built to handle the thermal expansion and vibrations of high-performance environments, these bolts feature a compact 12-point head design. This allows for easier socket engagement in the recessed areas of the valley cover while providing a more finished, custom look for your engine bay. Whether you are performing a top-end refresh or a ground-up build, these ARP fasteners provide the peace of mind that comes from industry-leading metallurgy and manufacturing tolerances.

• Fits select GM LS1 and LS2 engines
• 12-point head style allows for better tool clearance and increased torque accuracy
• High-strength construction outperforms OEM Grade 8 hardware
• Engineered for consistent clamping to prevent oil leaks at the valley cover
• Manufacturer Part Number: 134-8002

Fits Small Block Chevy engines. The ARP 134-7101 Rocker Arm Stud Kit is a critical valvetrain upgrade designed to eliminate the flex and failure common with factory press-in or standard-grade studs. These High Performance Series studs provide a rigid, reliable mounting point for your rocker arms, ensuring consistent valve timing and lift even under high-RPM conditions.

• Material: Precision-machined 8740 chrome moly steel
• Tensile Strength: Heat-treated to 180,000 psi for maximum durability
• Dimensions: 7/16-14 base thread and 3/8-24 top thread
• Finish: Black oxide coating for superior corrosion and wear resistance
• Installation: Designed for cylinder heads machined for screw-in studs
• MPN: 134-7101

This kit includes a full set of 16 studs, featuring concentricity and thread accuracy that meets or exceeds OE specifications. The large radius base prevents stress risers, making these essential for any SBC build utilizing performance valve springs.

Fits GM LS1 and LS2 engines. This ARP 12-point oil pan bolt kit (MPN 134-6902) provides the superior clamping force and reliability required for performance engine builds. Designed to replace factory hardware that can stretch or fatigue over time, these fasteners ensure a consistent, leak-free seal between the oil pan and the engine block.

• Precision Engineering: Features 12-point heads that offer increased socket contact area for easier installation and more accurate torquing in confined spaces.
• High-Strength Construction: Manufactured to ARP's exacting standards for maximum tensile strength and fatigue resistance.
• Direct Fit: Sized specifically for LS1 and LS2 applications to ensure proper thread engagement and shoulder height.
• Reusability: Unlike many torque-to-yield OE fasteners, these high-quality bolts are designed for repeated use during maintenance or engine service.
• Manufacturer Part Number: 134-6902

Ensure a reliable, leak-free seal on your LS engine with the ARP 134-6901 Hex Head Oil Pan Bolt Kit. Designed specifically for GM LS1 and LS2 platforms, this kit replaces tired or stretched factory hardware with high-strength fasteners that provide consistent clamping force across the entire oil pan flange.

Constructed from 8740 chromoly steel and heat-treated to a 170,000 psi tensile strength, these bolts are far stronger than Grade 8 hardware. The hex head design allows for easy installation in tight spaces using standard sockets, while the included premium washers ensure even load distribution to prevent gasket distortion. Each bolt is finished in a durable black oxide to resist corrosion and maintain a professional appearance under the chassis.

• Fits GM LS1 and LS2 engines
• Manufactured from 8740 chromoly steel
• Rated at 170,000 psi tensile strength
• Hex head design for standard tool clearance
• Corrosion-resistant black oxide finish
• Complete kit includes all necessary bolts and washers
• Manufacturer Part Number: 134-6901

Secure your cooling system with the professional-grade ARP 134-3202 Water Pump and Thermostat Housing Bolt Kit. Designed specifically for GM LS1 and LS2 engines, this hardware kit replaces standard, prone-to-rounding factory fasteners with high-strength bolts engineered for superior clamping force and durability.

The 12-point head design provides a larger contact surface for tools, allowing for more precise torque application and easier access in the tight confines of a modern engine bay. Whether you are performing a standard pump replacement or a complete engine build, this kit ensures a reliable, leak-free seal for your water pump and thermostat housing.

• Fits GM LS1 and LS2 engines
• Includes complete bolt set for both the water pump and thermostat housing
• 12-point head design for improved tool engagement and torque accuracy
• Replaces original equipment hex hardware
• Manufacturer Part Number: 134-3202

Upgrade your cooling system hardware with the ARP 134-3201 Stainless Steel Hex Bolt Kit, engineered specifically for GM LS1 and LS2 engines. This premium fastener set replaces standard factory hardware with high-strength, corrosion-resistant bolts that secure both the water pump and the thermostat housing to the engine block.

• Direct fit for GM LS1 and LS2 engine platforms
• Includes specialized fasteners for both the water pump and thermostat housing
• Manufactured from maintenance-free 300 series stainless steel
• Polished finish resists rust, corrosion, and engine bay chemicals
• Hex head design ensures reliable torque delivery and a traditional look
• Tensile strength rated at approximately 170,000 psi
• Manufacturer Part Number: 134-3201

Designed for enthusiasts who demand both performance and aesthetics, these ARP bolts are significantly stronger than Grade 8 hardware. They provide a secure, leak-free seal for your cooling components while maintaining a show-quality finish that won't peel or chip like chrome plating.

Fits Chevrolet Small Block engines. This ARP 134-2501 Harmonic Damper Bolt Kit provides the essential clamping force required to keep the balancer securely locked to the crankshaft, preventing timing shifts and hardware failure during high-RPM operation.

• Designed as a high-strength replacement for factory harmonic balancer hardware
• Features a bolt with extra-deep sockets to ensure positive wrench engagement and prevent rounding
• Includes a specialized 1/4-inch thick wide-area washer to distribute load across the damper hub
• Manufacturer Part Number: 134-2501

Fits GM LS-based engines equipped with a 12-inch pressure plate.

This ARP High Performance series pressure plate bolt kit (MPN 134-2203) is engineered to provide the clamping force and reliability required in high-performance LS applications. Standard OE hardware can stretch or fail under the high-RPM and high-torque conditions seen in performance driving; these ARP bolts are designed specifically to eliminate that risk by securing the pressure plate to the flywheel with superior strength.

Constructed from premium heat-treated materials, these fasteners feature a 12-point head design for increased tool contact area, ensuring consistent torque delivery during installation. The black oxide finish provides excellent corrosion resistance and durability for long-term service.

• Manufacturer Part Number: 134-2203
• Compatible with 12-inch pressure plates on GM LS engines
• High-strength 12-point head design
• Includes application-specific washers
• Black oxide finish for corrosion protection

Fits GM LS1 engines. Secure your clutch assembly with the ARP Hex Head Pressure Plate Bolt Kit (134-2201). When upgrading to a performance clutch, factory fasteners often become the weak link; these ARP bolts provide the increased clamping force and fatigue resistance required for high-RPM applications and heavy-duty pressure plate loads.

Each bolt is manufactured from premium 8740 chromoly steel and undergoes a rigorous heat-treatment process before the threads are rolled. This sequencing ensures superior strength and precision compared to standard hardware. The hex head design provides a traditional look and easy tool access during installation within the bellhousing.

• Specifically designed for GM LS1 engine applications
• High-strength 8740 chromoly steel construction
• Heat-treated for maximum durability and fatigue life
• Precision-rolled threads for consistent torque loading
• Kit includes necessary washers for a complete installation
• Manufacturer Part Number: 134-2201

Secure your intake manifold with the professional-grade reliability of the ARP Hex Head Intake Manifold Bolt Kit (MPN: 134-2001). Engineered specifically for the Small Block Chevy (SBC) platform, these bolts provide the precise, consistent clamping force required to maintain a leak-free seal between the intake manifold and the cylinder heads.

Standard factory hardware can stretch or fatigue over time; this ARP kit replaces worn OE fasteners with high-strength hardware designed to withstand the thermal cycling and vibrations of a performance engine. The hex-head design ensures easy tool engagement even in the crowded spaces of a fully dressed engine bay, while the included premium washers provide even load distribution across the manifold flanges to prevent localized stress or cracking.

• Application: Fits Small Block Chevy (SBC) engines
• Manufacturer Part Number: 134-2001
• Head Style: Hex
• High-strength construction for superior clamping force
• Includes matched washers for proper load distribution

Ensure a leak-free seal and professional finish for your GM LS-series engine with the ARP 134-1504 Rear Motor Cover Bolt Kit. Designed specifically for LS1 and LS2 platforms, these fasteners replace the factory hardware to provide superior clamping force and durability.

Engineered for high-performance applications, these bolts are manufactured from premium 8740 chrome moly steel and heat-treated to a 170,000 psi tensile strength rating. The compact 12-point head design offers improved tool clearance in tight spaces and allows for more consistent torque application compared to standard hex bolts. Each fastener features a black oxide finish for long-lasting corrosion resistance and a clean, race-ready appearance.

• Fits GM LS1 and LS2 engines
• 12-point head style for easier access and higher torque capacity
• Constructed from 8740 chrome moly steel
• Rated at 170,000 psi tensile strength
• Durable black oxide finish
• Manufacturer Part Number: 134-1504

Secure your engine's front seal with the professional-grade ARP 134-1502 12-Point Timing Cover Bolt Kit, specifically designed for Chevrolet LS1 and LS2 engines. Whether you are performing a camshaft upgrade or a complete engine overhaul, these high-strength fasteners replace brittle or corroded factory hardware to ensure consistent clamping force across the timing cover gasket.

The 12-point head design provides a larger contact surface for tools, allowing for more precise torque application in the often-cramped front engine bay area while offering a clean, custom look. Engineered for durability and precision, this kit helps prevent oil leaks by maintaining a stable, even seal on the timing cover.

• Fits Chevrolet LS1 and LS2 engines
• Features a compact 12-point head for easier wrenching in tight spaces
• High-strength construction exceeds standard OEM hardware specifications
• Precision-machined threads for smooth engagement and consistent loading
• Manufacturer Part Number: 134-1502

Fits select GM LS1 and LS2 engines. The ARP 134-1501 Hex Timing Cover Bolt Kit provides the superior clamping force and reliability required for high-performance engine builds. Replacing the factory hardware with these high-strength fasteners ensures a consistent, even seal across the timing cover to prevent oil leaks and maintain structural integrity under thermal stress.

• Direct fit for GM LS1 and LS2 engine platforms
• Durable hex head design for easy installation and socket engagement
• Precision machined for consistent torque loading and repeatability
• Engineered to exceed the strength and tolerances of OEM hardware
• Manufactured by ARP (Automotive Racing Products)
• Manufacturer Part Number: 134-1501

Fits select Chevrolet Small Block (SBC) and Gen III LS engines.

Ensure a secure, leak-free seal for your exhaust system with the ARP 134-1202 Header Bolt Kit. Engineered to withstand the extreme heat and vibration of high-performance environments, these bolts are a critical upgrade over standard hardware for ensuring consistent clamping force on header flanges.

The compact 12-point flange head design is specifically chosen to solve clearance issues in the tight spaces between header primary tubes. This allows for easier tool access and more precise torque application during installation. The integrated flange eliminates the need for separate washers, distributing load evenly to prevent flange warping and exhaust leaks.

• Fits Chevrolet Small Block and Gen III LS platforms.
• Thread Size: 3/8-16.
• 12-point flange head for superior socket clearance and tool engagement.
• Durable finish designed to resist corrosion under high-heat cycles.
• Manufacturer Part Number: 134-1202.

Secure your exhaust manifolds or headers with the precision-engineered ARP 134-1201 Header Bolt Kit. This kit is specifically designed for Small Block Chevy (SBC) and Gen II LS engines equipped with 1/4-inch thick header flanges. These fasteners are built to withstand the extreme thermal cycles of a high-performance exhaust system, ensuring a consistent seal and preventing gasket-killing leaks.

The 12-point head design provides a significant advantage over standard hex hardware by offering a smaller wrenching diameter. This compact profile is essential for navigating the tight clearances often found between header primary tubes and the cylinder head, allowing for easier socket access and more accurate torque application.

• Manufacturer Part Number: 134-1201
• Application: Small Block Chevy (SBC) and Gen II LS
• Head Style: 12-Point
• Flange Thickness: 1/4"
• Function: Replaces factory exhaust hardware for improved reliability and clearance

Fits Small Block Chevy (SBC) LT1 (6.2L) engines.

Secure your exhaust manifolds or headers with the precision of the ARP 134-1104 Hex Head Header Bolt Kit. Specifically engineered for the Gen V LT1 architecture, these high-strength fasteners are designed to maintain consistent clamping force through extreme heat cycles. This kit provides a significant upgrade over factory hardware, helping to prevent gasket leaks and the common issue of bolts backing out over time.

• Engineered specifically for Small Block Chevy LT1 (6.2L) engines
• Compact hex head design allows for easier wrench and socket clearance in tight engine bays
• Precision-machined threads ensure smooth engagement and accurate torque application
• High-strength construction to resist stretching and heat-cycle loosening
• Includes all necessary bolts for a complete header installation
• Manufacturer Part Number: 134-1104

Secure your exhaust manifold or headers with the ARP 134-1103 12-point header bolt kit. Engineered specifically for the SBC 6.2L LT1 engine, these high-strength fasteners replace factory hardware to provide a more reliable, leak-free seal under the extreme thermal conditions of your engine bay.

The compact 12-point head design offers superior clearance compared to traditional hex-head bolts, allowing for easier socket access in the tight spaces often found around performance primary tubes. Whether you are installing aftermarket headers or performing maintenance on your factory 6.2L LT1 system, these ARP bolts deliver the torque consistency and durability required for high-performance applications.

• Fits SBC 6.2L LT1 engines
• Compact 12-point head style for improved tool clearance
• Precision-machined threads for consistent torque loading
• Replaces standard OE exhaust hardware
• Manufacturer Part Number: 134-1103

Secure your exhaust manifolds or headers with the ARP 134-1102 Flange Hex Header Bolt Kit, specifically engineered for Chevrolet LS-series engines. These high-strength fasteners solve the problem of header leaks and loose hardware caused by the intense thermal cycling of high-performance engines. By replacing standard OE bolts with ARP's 8740 chrome moly steel, you ensure a much higher clamping force and improved durability.

The 134-1102 kit features a 3/8-inch flange hex head design, providing a larger bearing surface to distribute load more evenly across the header flange. This compact head style also offers superior socket clearance, making installation significantly easier in the tight spaces often found between primary tubes and the cylinder head. Each bolt is heat-treated to a 170,000 psi tensile strength rating and finished in black oxide for corrosion resistance.

• Fits Chevrolet LS-series engines
• Material: 8740 Chrome Moly Steel
• Finish: Black Oxide
• Wrenching Size: 3/8-inch Flange Hex
• Tensile Strength: 170,000 psi
• Manufacturer Part Number: 134-1102