Fits 2013-2014 Ford Mustang GT and 2013 Ford Mustang Boss 302 (5.0L).

Ensure superior cylinder head sealing on your Coyote engine with the ARP Head Stud Kit. This high-strength fastener kit is a critical upgrade for the 2013-2014 Ford Mustang 5.0L V8, designed to replace factory torque-to-yield (TTY) bolts. Unlike standard bolts that stretch and must be discarded after one use, these ARP studs provide more accurate torque loading and consistent clamping force across the head deck. This is essential for maintaining head gasket integrity and preventing head lifting in high-performance, high-compression, or forced induction applications.

• Provides significantly higher tensile strength than factory fasteners
• Ensures even clamping force to prevent head gasket failure
• Replaces OEM head bolts for increased reliability
• Manufacturer Part Number: 256-4301
• Engine Fitment: 5.0L Coyote V8

Secure your engine's top end with the ARP 256-4202 Cylinder Head Stud Kit, specifically engineered for Ford Modular 4.6L and 5.4L 3-valve engines. Replacing factory head bolts with high-strength studs ensures a more consistent and accurate clamping force across the cylinder head, significantly reducing the risk of head gasket failure under high-combustion pressures.

• Fits select Ford Modular 4.6L and 5.4L 3-valve engines (5.4L).
• 12-point nuts allow for easier socket access and precise torquing in the tight confines of 3-valve head castings.
• Superior strength and fatigue resistance compared to standard OE torque-to-yield (TTY) bolts.
• Complete kit includes all necessary studs, 12-point nuts, and hardened parallel-ground washers for a professional installation.
• Manufacturer Part Number: 256-4202

Ensure maximum clamping force and cylinder head stability with the ARP Ford Modular 4.6L 12-point head stud kit. Specifically engineered for both 2-valve and 4-valve Modular V8 engines, these studs provide the consistent loading required to prevent head gasket failure in high-performance applications. Unlike factory torque-to-yield (TTY) bolts that must be discarded after a single use, these reusable ARP studs offer superior tensile strength and more accurate torque readings during assembly.

• Specifically designed for Ford 4.6L 2V and 4V Modular engines
• 12-point nuts provide easier tool clearance in compact cylinder head castings
• Provides superior clamping force compared to factory hardware
• Essential for high-compression or forced induction builds
• Includes all necessary studs, 12-point nuts, and hardened parallel-ground washers
• Manufacturer Part Number: 256-4201

Secure your cylinder heads and ensure maximum clamping force with the ARP Hex Head Stud Kit (256-4002), specifically engineered for Ford Modular 4.6L and 5.4L 3-valve engines. These studs provide a critical upgrade over factory torque-to-yield (TTY) bolts, offering the tensile strength required to prevent head gasket failure and head lifting under high cylinder pressures.

• Fits Ford Modular 4.6L and 5.4L 3-Valve engines.
• Precision-machined from premium alloys for superior strength and reliability.
• Hex head design allows for easy installation in tight engine bays.
• Includes high-quality nuts and parallel-ground washers for even load distribution.
• Essential for high-performance, forced induction, or heavy-duty towing applications.
• Manufacturer Part Number: 256-4002

Fits select 1996-2004 Ford Mustang GT, GT Bullitt, and SVT Cobra (4.6L / 5.4L).

Engineered for the Ford Modular engine platform, this ARP ARP2000 Hex Head Main Stud Kit is an essential upgrade for high-performance builds. By replacing factory main bolts with these high-strength studs, you ensure superior clamping force and significantly reduce main cap walk, which is critical for maintaining crankshaft alignment under high-load or forced-induction conditions. Unlike bolts, studs provide more accurate torque readings because they do not twist during tightening.

• Material: ARP2000 alloy steel rated at 220,000 psi tensile strength
• Precision Engineering: Centerless ground and heat-treated prior to thread rolling for maximum fatigue life
• Hex Head Design: Allows for easy installation and removal in tight clearances
• Fatigue Resistance: Threads are rolled after heat treatment, providing 1000% better fatigue strength than standard fasteners
• Includes: Complete set of main studs, parallel-ground washers, and high-strength nuts
• Manufacturer Part Number: 256-4001

Fits Ford 4.0L XR6 Inline 6 engines.

The ARP 252-4302 M12 Head Stud Kit is a critical upgrade for high-performance Ford XR6 builds, providing the superior clamping force required to maintain a reliable cylinder head seal. Unlike standard torque-to-yield head bolts that stretch and twist during installation, these studs remain stationary. By tightening the nut onto the stud rather than threading a bolt into the block, you achieve much more accurate and consistent preload, protecting the block threads and ensuring even distribution of pressure across the head gasket.

• Engineered specifically for the Ford 4.0L XR6 Inline 6 engine
• Thread Diameter: M12
• Replaces factory head bolts to prevent gasket failure under high cylinder pressures
• Includes precision-machined studs, parallel-ground washers, and 12-point nuts
• Manufacturer Part Number: 252-4302

Fits 2000-2004 Ford Focus LX (2.0L).

The ARP Head Stud Kit (MPN: 251-4702) is a critical fastener upgrade for the Ford Zetec 2.0L engine. Unlike factory torque-to-yield bolts which stretch during installation and must be discarded after one use, these ARP studs provide superior clamping force and are completely reusable. This kit is essential for preventing cylinder head lifting and head gasket failure, particularly in high-compression or forced induction builds where cylinder pressures exceed OE tolerances.

• Manufactured from premium 8740 chromoly steel
• Heat-treated to 200,000 psi tensile strength
• J-form threads rolled after heat-treatment for maximum fatigue resistance
• Ensures perfect alignment of cylinder head and gasket during assembly
• Complete kit includes studs, parallel-ground washers, and 12-point nuts
• Manufacturer Part Number: 251-4702

Ensure maximum clamping force and head gasket integrity on your Ford Cosworth engine with the ARP 251-4701 Head Stud Kit. Designed specifically for Sierra and Escort Cosworth powerplants, these fasteners are a critical upgrade for high-performance builds where factory head bolts are prone to stretching under increased cylinder pressures.

Unlike standard bolts that twist during tightening, these studs provide a more accurate torque loading by pulling the head down vertically. This reduces stress on the block threads and ensures a more consistent seal across the entire deck surface. Each kit is manufactured to ARP's exacting standards to handle the rigors of forced induction and high-RPM use.

• Manufacturer Part Number: 251-4701
• Fits Ford Cosworth Sierra and Escort engines
• Premium grade heat-treated material for maximum tensile strength
• Includes high-strength studs, 12-point nuts, and parallel-ground washers
• Designed for superior head gasket retention and reliability

Fits Ford 1.6L EcoBoost 4-cylinder engines (1.6L).

Engineered to handle the increased cylinder pressures of high-boost applications, this ARP 12-point Head Stud Kit provides the superior clamping force necessary to prevent head gasket failure. Unlike factory Torque-to-Yield (TTY) bolts that stretch during torqueing and must be discarded after every use, these premium studs are reusable and offer significantly more consistent loading across the cylinder head. Each stud is heat-treated and centerless ground to ensure concentricity and maximum fatigue strength.

• Specifically designed for the Ford 1.6L EcoBoost 4-cylinder platform
• Features 12-point nuts for easier socket access in tight engine bays
• Replaces restrictive factory head bolts with high-strength fasteners
• Ensures accurate head alignment and more uniform gasket compression
• Complete kit includes premium studs, 12-point nuts, parallel-ground washers, and ARP Ultra-Torque assembly lubricant
• Manufacturer Part Number: 251-4302

Fits 2011-2015 Ford Super Duty trucks equipped with the 6.7L Power Stroke Diesel engine.

The ARP 250-4301 Head Stud Kit is an essential upgrade for 6.7L Power Stroke owners looking to prevent head gasket failure and cylinder head lifting. Factory torque-to-yield head bolts are prone to stretching under high cylinder pressures, especially in engines with increased boost or heavy towing demands. These studs provide significantly higher clamping force and more consistent torque loading across the deck surface to maintain a reliable seal.

Manufactured from premium high-strength alloy, each stud is heat-treated and centerless ground to ensure perfect concentricity and maximum fatigue strength. The threads are rolled after heat treatment, making them roughly 1000% stronger than studs with threads rolled before heat treatment.

• Manufacturer Part Number: 250-4301
• Compatible Engine: Ford 6.7L Power Stroke Diesel
• Model Years: 2011-2015
• Finish: Black oxide for corrosion resistance
• Includes: High-strength studs, 12-point nuts, and hardened parallel-ground washers

Fits 2003-2007 Ford F-250/F-350 Super Duty and Excursion models equipped with the 6.0L Powerstroke diesel engine.

Engineered to improve cylinder head sealing and prevent head gasket failure, the ARP 250-4206 M8 Head Bolt Kit is a critical upgrade for the 6.0L Powerstroke. This kit is specifically designed for the inner row head bolt positions, providing the consistent clamping force required to handle increased combustion pressures in both stock and modified diesel engines. These fasteners are manufactured from high-strength alloys that far exceed the performance and reliability of standard factory hardware.

• Precision machined to ensure exact tolerances for the inner row positions
• Developed for high-clamping force to maintain head gasket integrity
• High-strength fastener alloy construction for maximum durability
• Direct replacement for OEM M8 inner row head fasteners
• Manufacturer Part Number: 250-4206

Fits select 2003-2007 Ford F-250 and F-350 Super Duty models (6.0L Power Stroke Diesel).

The ARP Custom Age 625+ Head Stud Kit is engineered to provide the ultimate clamping force for the Ford 6.0L Power Stroke engine, a platform known for factory head bolt stretch and subsequent head gasket failure. By replacing the OE fasteners with these high-strength studs, you ensure a superior cylinder head seal that can withstand the increased cylinder pressures of high-boost or heavy-tow applications.

Manufactured from ARP's proprietary Custom Age 625+ super-alloy, these studs are significantly stronger than standard chromoly fasteners. Each stud is precision centerless-ground, heat-treated, and thread-rolled to J-form specifications for maximum fatigue life and consistent torque loading.

• Manufacturer Part Number: 250-4205
• Series: Custom Age 625+ Plus
• Application: Ford 6.0L Power Stroke Diesel (2003-2007)
• Material: Custom Age 625+ Super-Alloy
• Included: Full set of head studs, hardened parallel-ground washers, and 12-point nuts

Secure your engine's top end against high cylinder pressures with the ARP 250-4203 Head Stud Kit, engineered specifically for the Ford 6.4L Power Stroke Diesel engine. These high-strength fasteners are a critical upgrade for any 6.4L diesel, providing significantly more clamping force than factory head bolts to prevent head gasket failure and cylinder head lifting under high boost and heavy loads.

Unlike factory torque-to-yield (TTY) bolts that stretch and must be discarded after one use, these ARP studs are heat-treated and precision thread-rolled to ensure superior fatigue strength and consistent torque loading. The stud design also simplifies cylinder head installation by perfectly aligning the head and gasket every time.

• Fits Ford 6.4L Power Stroke Diesel engines (6.4L).
• High-strength alloy construction replaces factory torque-to-yield head bolts.
• Provides maximum clamping force to protect head gasket integrity.
• Heat-treated and thread-rolled for maximum durability and fatigue resistance.
• Includes all necessary studs, washers, and nuts for a complete installation.
• Manufacturer Part Number: 250-4203

Fits select 2003-2010 Ford E-350 Super Duty, F-250/F-350 Super Duty, and Excursion (6.0L Power Stroke Diesel).

The ARP 250-4202 Head Stud Kit is the industry standard for securing the cylinder heads on the Ford 6.0L Power Stroke diesel engine. Designed to replace the factory head bolts which are prone to stretching, these studs provide the superior clamping force required to prevent head gasket failure and cylinder head lifting under high combustion pressures.

• Engineered specifically for the high-stress environment of the Power Stroke diesel engine.
• Provides consistent and accurate torque loading to ensure a reliable head-to-block seal.
• Replaces OEM head bolts to eliminate the risk of bolt stretch.
• Manufacturer Part Number: 250-4202
• Kit includes all necessary studs, parallel-ground washers, and 12-point nuts.

Whether you are performing a standard head gasket repair or building a high-performance diesel, these ARP studs are a critical upgrade for long-term engine durability and reliability.

Fits 1993-2002 Ford F-Series and Excursion models equipped with the 7.3L Power Stroke Diesel engine.

The ARP 250-4201 Head Stud Kit is a critical upgrade for the 7.3L Power Stroke, providing the clamping force necessary to maintain a reliable cylinder head seal. Unlike factory head bolts that are prone to stretching under high combustion pressures, these high-strength studs offer superior tensile strength to prevent cylinder head lifting. This kit is essential for engines subjected to heavy towing, increased boost levels, or performance tuning where head gasket integrity is a primary concern.

• Provides consistent clamping force to prevent head gasket failure
• Replaces factory head bolts with high-strength studs
• Precision-machined for accurate torque loading and thread engagement
• Designed specifically for the 7.3L Power Stroke diesel engine
• Manufacturer Part Number: 250-4201

Fits 2008-2010 Dodge Viper models.

Upgrade your engine's reliability with the ARP Head Stud Kit (247-4301), designed to provide the superior clamping force required for high-performance V10 engines. Unlike factory head bolts that can stretch or twist during torque-down, these studs are installed into the block in a relaxed state. By torquing the nut rather than the bolt itself, you achieve more accurate and consistent loading across the cylinder head, which is critical for preventing head gasket failure under high cylinder pressures.

• Provides uniform clamping force to ensure a reliable cylinder head seal
• Superior alternative to factory head bolts for street and track applications
• Aids in cylinder head alignment during installation
• Includes all necessary studs, nuts, and washers
• Manufacturer Part Number: 247-4301

Secure your cylinder head with the ARP 247-4208 Same Length Head Stud Kit, specifically engineered for the Dodge Cummins 5.9L 24V engine. These studs are designed to provide superior clamping force and more consistent loading across the head compared to factory bolts, which is critical for preventing head gasket failure in high-performance diesel applications.

• Fits Dodge Cummins 5.9L 24V engines (5.9L)
• Same-length stud design for uniform torque application and clamping force
• Superior resistance to bolt stretch under high combustion pressure
• Includes high-strength studs, nuts, and hardened washers
• Manufacturer Part Number: 247-4208

Fits 1998-2024 Dodge Ram 2500 and 3500 trucks equipped with the 24-valve Cummins turbo diesel engine (5.9L / 6.7L).

For high-performance Cummins builds running extreme boost levels and high cylinder pressures, the ARP Custom Age 625+ head stud kit (MPN 247-4204) provides the ultimate clamping force to prevent head gasket failure and cylinder head lifting. These studs are manufactured from a specialized super-alloy that offers significantly higher tensile strength than standard ARP2000 or 8740 chromoly fasteners. Each stud is centerless ground and heat-treated prior to thread rolling for maximum fatigue strength and precision fitment.

• Manufacturer Part Number: 247-4204
• Material: Custom Age 625+ super-alloy
• Engine Compatibility: 5.9L and 6.7L 24V Cummins diesel
• Fastener Style: Studs with 12-point nuts
• Finish: Black oxide
• Includes: High-strength studs, parallel-ground washers, 12-point nuts, and ARP Ultra-Torque assembly lubricant

Fits 1989-2009 Dodge Ram 2500/3500 and D/W Series trucks (5.9L).

Protect your engine from head gasket failure with the ARP 247-4203 cylinder head stud kit. These high-strength studs are a vital upgrade for the 5.9L Cummins engine, particularly in applications involving increased boost pressures, heavy towing, or performance tuning. Unlike factory head bolts that can stretch or yield under high cylinder pressure, ARP studs provide superior clamping force to keep the cylinder head securely sealed to the block.

Each stud is precision-machined from premium materials and heat-treated for maximum tensile strength and durability. This kit includes all necessary hardware to replace the factory fasteners, providing a more uniform load distribution across the head surface.

• Manufacturer Part Number: 247-4203
• Application: 5.9L Cummins Diesel
• Materials: High-strength, heat-treated fasteners
• Installation: Replaces factory cylinder head bolts
• Includes: Complete set of studs, parallel-ground washers, and 12-point nuts

Fits select 1998-2024 Dodge Cummins 24V engines (5.9L / 6.7L).

The ARP 247-4202 Head Stud Kit is a critical upgrade for diesel enthusiasts and professional builders looking to prevent cylinder head lifting and head gasket failure. Unlike factory head bolts that can stretch under the extreme cylinder pressures found in performance-tuned or high-boost Cummins engines, these studs provide significantly higher clamping force and tensile strength. This ensures a more reliable seal between the cylinder head and the block, even under demanding towing or racing conditions.

This kit is engineered to replace the factory head bolts without modifications. The studs are manufactured to exacting tolerances and heat-treated for maximum durability.

• Manufacturer Part Number: 247-4202
• Application: Cummins 24V 5.9L and 6.7L
• Kit Includes: Complete set of high-strength head studs, parallel-ground washers, and 12-point nuts
• Finish: Black Oxide for corrosion resistance

Fits 1996-2003 Dodge Viper GEN II models.

Ensure maximum clamping force and superior cylinder head sealing for your V10 engine with the ARP Head Stud Kit (247-4201). This kit is a critical upgrade for any performance build, replacing factory head bolts that are prone to stretching under high cylinder pressures. By using studs instead of bolts, you achieve more accurate and consistent torque loading, as the fastener is not subjected to the torsional strain of being turned into the block while under load.

These fasteners are precision-manufactured to exacting tolerances to prevent head gasket failure and cylinder head lift. This complete kit includes all the necessary studs, parallel-ground washers, and high-strength nuts required for a professional installation.

• Specifically designed for the GEN II Dodge Viper engine platform.
• Provides superior clamping force compared to OEM head bolts.
• Facilitates easier cylinder head alignment and installation.
• Includes high-strength nuts and hardened parallel-ground washers.
• Manufacturer Part Number: 247-4201

Designed for Chrysler 5.7L and 6.1L Hemi engines, the ARP 244-4300 Head Stud Kit provides the superior clamping force required to prevent head gasket failure and cylinder head movement. Unlike standard factory bolts that twist during the torquing process, these studs remain stationary while the nut is tightened, resulting in more accurate torque readings and a more uniform load distribution across the deck surface.

This kit is a critical upgrade for any high-performance build, ensuring the cylinder heads stay properly sealed under increased combustion pressures. The studs are manufactured to exacting tolerances for maximum reliability and ease of installation in the factory mounting points.

• Fits Chrysler 5.7L and 6.1L Hemi engines
• Ensures consistent clamping force for improved head gasket sealing
• Replaces factory cylinder head bolts
• Includes high-strength studs, parallel-ground washers, and nuts
• Manufacturer Part Number: 244-4300

Fits Chrysler 2.2L 4-cylinder engines (2.2L). This ARP head stud kit is an essential upgrade for maintaining cylinder head integrity and gasket seal under high combustion pressures. Unlike standard head bolts, these studs provide more accurate and consistent torque loading, reducing the risk of head gasket failure in high-performance or turbocharged builds.

The undercut design allows the stud to stretch more uniformly, distributing the clamping load more evenly across the block and head. This is particularly critical in M11 applications where precise tension is required to prevent fastener fatigue and block distortion.

• Fits Chrysler 2.2L 4-cylinder engines
• Thread Size: M11
• Head Style: 12-Point Nut
• Design: Undercut for uniform preload
• Manufacturer Part Number: 241-4701

Each kit includes premium-grade studs, hardened parallel-ground washers, and 12-point nuts to ensure a reliable and professional installation.

Ensure maximum clamping force and head gasket integrity on your Chrysler 2.2L 4-cylinder engine with this ARP Cylinder Head Stud Kit (MPN 241-4501). Unlike standard head bolts that can stretch or yield, these high-strength studs provide a more accurate and consistent torque loading during assembly.

The undercut design allows the stud to stretch more uniformly within its elastic range, equalizing the pressure on the head gasket for a superior seal under high-combustion pressures. This kit is essential for both stock rebuilds and performance applications where cylinder head lift must be prevented.

• Fits Chrysler 2.2L 4-cylinder engines
• Manufacturer Part Number: 241-4501
• Thread Size: M11
• Nut Style: Hex
• Undercut stud design for consistent clamping
• Includes premium quality washers and nuts

Fits Caterpillar C15 heavy-duty diesel engines.

The ARP 238-4201 Cylinder Head Stud Kit provides the essential clamping force required to maintain a reliable seal in Caterpillar C15 engines. Unlike factory head bolts that can stretch and lead to head gasket failure under high cylinder pressures or extreme thermal cycles, these fasteners are engineered to remain stable. By using studs instead of bolts, you achieve more accurate torque loading as the fastener isn't twisting into the block; it is only stretched on the vertical axis.

Each stud is manufactured from premium alloy steel, heat-treated for maximum tensile strength, and features threads rolled after heat treatment to ensure superior fatigue resistance. The kit includes 12-point nuts and hardened, parallel-ground washers to ensure even load distribution across the cylinder head surface.

• Designed specifically for Caterpillar C15 engine architectures
• Replaces standard OE head bolts to prevent head lifting
• High-strength 12-point nuts allow for easier access in tight clearances
• Precision-ground parallel washers ensure uniform clamping force
• Manufacturer Part Number: 238-4201

Ensure superior cylinder head sealing on your Chevrolet Gen V LT1 or LT4 engine with the ARP 234-4347 Head Stud Kit. Designed specifically for the high-performance 6.2L platform, these studs provide the consistent clamping force necessary to prevent head gasket failure under extreme cylinder pressures. Unlike factory torque-to-yield bolts, these high-strength studs allow for more accurate torque loading and are completely reusable.

• Fits Chevrolet Small Block Gen V LT1 and LT4 engines (6.2L)
• Premium 12-point nuts provide easier tool access in tight cylinder head locations
• Provides superior clamping force compared to standard OE head bolts
• Includes all necessary studs, parallel-ground washers, and 12-point nuts
• Manufacturer Part Number: 234-4347

Fits 2009-2015 Cadillac CTS-V and Chevrolet Camaro ZL1 equipped with the LSA engine.

The ARP 234-4346 12-point Head Stud Kit is a critical upgrade for any high-performance LSA engine build. Factory torque-to-yield bolts are designed for single use and can stretch under the increased cylinder pressures of a supercharged engine, risking head gasket failure. These ARP studs provide significantly higher clamping force and more consistent torque loading by allowing you to tighten the nut onto the stud rather than twisting a bolt into the engine block.

• Manufacturer Part Number: 234-4346
• Fastener Style: 12-point nuts for maximum clearance and consistent clamping
• Application: Specifically designed for Chevrolet LSA 6.2L engines
• Precision Engineering: Heat-treated and threads rolled after heat-treatment for fatigue strength
• Included Hardware: Complete set of studs, 12-point nuts, and parallel ground washers

Fits 2004 and later Chevrolet LS-series engines.

The ARP Pro Series Cylinder Head Stud Kit provides the superior clamping force necessary to prevent head gasket failure in high-performance and forced-induction 2004-up Chevrolet LS engines. Unlike factory torque-to-yield (TTY) bolts that stretch and must be replaced after every use, these ARP studs provide a more accurate torque load and are completely reusable, making them an essential upgrade for any engine build or head swap.

• Engineered for 2004+ LS blocks utilizing equal-length head studs
• Manufactured from premium 8740 chrome moly steel
• Heat-treated to 200,000 psi tensile strength for maximum reliability
• Threads are rolled after heat treatment for 1000% higher fatigue strength than studs threaded prior to heat treat
• Includes all necessary studs, parallel-ground washers, and 12-point nuts
• Black oxide finish for corrosion resistance
• Manufacturer Part Number: 234-4345

Fits select 1997-2016 Cadillac CTS-V, Chevrolet Camaro, Corvette, SS, SSR, and Pontiac Firebird, G8, and GTO models equipped with Small Block Chevy LS-based engines using the 2003 and earlier head bolt configuration.

Standard head bolts are designed to stretch during installation, which can compromise the seal between the cylinder head and block under high-performance conditions. This ARP Head Stud Kit (MPN 234-4344) provides the superior clamping force required to prevent head lifting and gasket failure in high-compression, turbocharged, or supercharged LS builds. Each stud is centerless ground to ensure perfect concentricity and heat-treated to 200,000 psi tensile strength.

• Specifically designed for LS blocks utilizing the 2003 and earlier style head bolt lengths
• Manufactured from premium 8740 chromoly steel for maximum reliability
• Threads are rolled after heat-treatment to provide 10x better fatigue strength than studs threaded before heat-treat
• Kit includes high-strength 12-point nuts and premium parallel-ground washers
• Manufacturer Part Number: 234-4344

Ensure maximum clamping force and head gasket integrity with the ARP 234-4343 Cylinder Head Stud Kit, specifically engineered for Gen V Small Block Chevy LT1 6.2L engines. Unlike standard torque-to-yield head bolts, these studs allow for more accurate and consistent torque loading, which is critical for high-performance builds or forced induction applications.

• Fits Gen V Chevrolet LT1 (6.2L) engines.
• Specifically includes 8mm corner studs required for correct fitment on select LT1 cylinder head configurations.
• Provides superior head gasket sealing compared to OE fasteners.
• Heat-treated for maximum durability and strength.
• Complete kit includes all necessary studs, nuts, and washers for one engine.
• Manufacturer Part Number: 234-4343