Fits select 1955-1986 Chevrolet, Buick, Fiat, and Oldsmobile vehicles equipped with Small Block or Big Block engines.

Engineered for high-performance applications, the COMP Cams Cam Lock Plate and Bolt Kit provides a critical mechanical safeguard against camshaft bolt failure. Under high-RPM operation or heavy engine loads, harmonic vibrations can cause standard cam bolts to back out, potentially leading to catastrophic timing shifts or internal engine damage. This kit features a specialized locking plate with bendable tabs that fold over the bolt heads, physically preventing rotation after installation.

Designed specifically for non-OE roller engines, this kit replaces the standard hardware to ensure the valvetrain stays timed and secure. It is an essential upgrade for any performance rebuild or camshaft swap where reliability is a priority.

• Engine Compatibility: Chevrolet Small Block (SBC) and Big Block (BBC)
• Fitment Note: Fits non-OE roller engines
• Positive Locking: Integrated bendable tabs provide a mechanical lock for cam bolts
• High-Strength Hardware: Includes premium bolts and a durable locking plate
• Manufacturer Part Number: 4605CPG

Fits select 1999-2014 Chevrolet, GMC, Buick, Cadillac, Hummer, Isuzu, Pontiac, and Saab vehicles equipped with the 5.3L GM LS engine. This COMP Cams Premium DOD Delete Kit is a comprehensive solution for eliminating the failure-prone Displacement on Demand (DOD/AFM) systems in Gen IV engines, allowing you to convert to a reliable, standard lifter configuration.

This kit provides all the essential components required to complete the conversion and seal the engine correctly after removing the active fuel management hardware. It includes a set of premium non-DOD lifters and new lifter trays to ensure proper valvetrain geometry and longevity. The inclusion of a valley cover, high-quality head gaskets, and torque-to-yield head bolts ensures a factory-grade seal during reassembly.

• COMP Cams Part Number: 5552-KIT
• Engine Compatibility: Gen IV 5.3L GM LS
• Includes: Premium lifter set and new lifter trays
• Includes: Head gaskets and cylinder head bolt kit
• Includes: Exhaust manifold gaskets and water pump gaskets
• Includes: Harmonic balancer bolt and valley cover
• Includes: Timing cover gasket and front main seal

Fits select 1980-1996 Buick, Cadillac, Chevrolet, and GMC vehicles equipped with Small Block Chevy V8 (265-400) engines. This includes popular applications such as the Camaro, Caprice, Corvette, and C/K series trucks.

COMP Cams High Energy Aluminum Roller Rocker Arms are engineered for street enthusiasts and moderate racing applications where friction reduction is critical. These rockers feature a die-cast aluminum body that provides a superior strength-to-weight ratio compared to factory steel units, resulting in a stiffer, more durable valve train component. By utilizing a needle bearing fulcrum and a roller tip, these arms significantly reduce the friction inherent in sliding factory models, which helps lower oil temperatures while improving throttle response and horsepower.

• Die-cast aluminum construction provides high strength with reduced reciprocating weight
• Needle bearing fulcrum and roller tip design minimizes friction and heat
• Internal snap rings securely lock the trunnion and bearings in place
• Increased 1.6 ratio provides additional valve lift for improved airflow
• Designed to withstand the rigors of performance use up to 550 lbs of open spring pressure

• Manufacturer Part Number: 17002-1
• Rocker Arm Ratio: 1.6
• Stud Diameter: 3/8 inch
• Body Material: Aluminum
• Rocker Arm Style: Full Roller
• Maximum Open Spring Pressure: 550 lbs

Fits select 2011-2019 Chrysler 300, Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, and Ram 2500/3500 (6.4L).

The COMP Cams HRT Master Camshaft Kit (MK-Kit) for Gen III HEMI engines provides a complete, engineered solution for modern VVT applications. Developed using Spintron and dyno testing, these packages utilize COMP Cams Low Shock Technology. This design philosophy focuses on lobe profiles that maximize horsepower while maintaining valvetrain stability at high RPM, which reduces load loss and extends the life of your valve springs.

As a Master Kit, this package (MPN MK201-306-17) includes upgraded, drop-in performance lifters in addition to the standard camshaft and valvetrain hardware. Every component is selected to work in harmony, eliminating the guesswork from a high-performance HEMI build.

• COMP Cams HRT Camshaft with Low Shock Technology
• VVT Phaser Limiter
• High-strength pushrods
• Beehive or Conical Valve Springs (application specific)
• Chromemoly steel retainers and valve locks
• Spring seats and premium valve seals
• Upgraded drop-in performance lifters

Fits select 2003-2008 Chrysler 300 and Aspen; Dodge Challenger, Charger, Durango, Magnum, and Ram 1500/2500/3500; and Jeep Commander and Grand Cherokee (5.7L / 6.1L HEMI).

The COMP Cams HRT (High Road/Track) Stage 3 Master Camshaft Kit is a comprehensive valvetrain solution engineered to eliminate guesswork in Gen III HEMI performance builds. Featuring "Low Shock Technology," these camshafts utilize lobe profiles designed on Spintron and dyno-tested to maximize horsepower while maintaining valvetrain stability at higher RPM. This design reduces load loss and enhances the durability of the valve springs under high-performance conditions.

As a complete Master Kit (MK-Kit), this package includes upgraded drop-in performance lifters, ensuring that every critical valvetrain component is perfectly matched for maximum reliability. Whether for street or track use, this kit provides a significant power increase and the necessary hardware to support high-lift profiles.

• Manufacturer Part Number: MK112-305-11
• Kit Series: HRT (High Road/Track) Stage 3 Master Kit
• Valve Springs: Premium Beehive or Conical springs included
• Retainers: Durable chromemoly steel
• Lifters: Upgraded drop-in performance lifters included
• Included Hardware: Camshaft, pushrods, valve locks, spring seats, and valve seals
• Testing: Spintron and dyno-validated profiles

Fits select 2003-2008 Chrysler 300 and Aspen, Dodge Challenger, Charger, Durango, Magnum, and Ram 1500/2500/3500, and Jeep Commander and Grand Cherokee (6.1L).

The COMP Cams HRT Stage 2 Master Camshaft Kit (MK-Kit) for Non-VVT Gen III HEMI applications is engineered to remove the complexity of selecting a valvetrain upgrade. Developed with "Low Shock Technology," the camshaft profiles are designed to maximize horsepower and torque while maintaining valvetrain stability at high RPMs. These profiles are also easier on valve springs, which enhances durability and reduces load loss over time.

Every component in this kit is validated through Spintron and dyno testing to ensure perfect matching and reliability. As a comprehensive Master Kit, it features upgraded drop-in performance lifters to support the increased lift and duration of the Stage 2 HRT profile. This kit is ideal for owners looking for significant performance gains without sacrificing engine longevity.

• Engineered for Non-VVT Gen III HEMI engines
• Stage 2 HRT (High Road/Track) performance profile
• Low Shock Technology for improved high-RPM stability and spring life
• Includes upgraded drop-in performance lifters
• Spintron and dyno-tested for maximum reliability
• Manufacturer Part Number: MK112-303-11

Kit Includes: Camshaft, upgraded performance lifters, pushrods, Beehive or Conical valve springs, chromemoly steel retainers, valve locks, spring seats, and valve seals.

Fits select 2011-2019 Chrysler 300, Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, and Ram 2500/3500 (6.4L).

COMP Cams HRT Camshaft Packages for Gen III HEMI engines eliminate the guesswork of selecting a valvetrain upgrade. Utilizing "Low Shock Technology," these HRT camshaft profiles are engineered to maximize horsepower while maintaining valvetrain stability at high RPM. This design reduces load loss and stress on valve springs, significantly increasing long-term durability.

Every HRT profile is extensively validated through Spintron and dyno testing to ensure perfect component matching. This CK-Kit (Cam Kit) provides the essential hardware for a VVT-equipped HEMI, including the necessary phaser limiter to maintain safe piston-to-valve clearance during operation.

• Manufacturer Part Number: CK201-304-17
• Engineered for 6.4L Gen III HEMI applications
• Low Shock Technology lobe profiles for high-RPM stability
• Includes HRT Camshaft and VVT Phaser Limiter
• Includes matched Beehive or Conical Valve Springs
• Includes high-strength Chromemoly steel retainers and valve locks
• Includes pushrods, spring seats, and valve seals

Fits select 2009-2020 Chrysler 300 and Aspen; Dodge Challenger, Charger, Durango, and Ram 1500/2500; Jeep Commander and Grand Cherokee; and Ram 1500/2500/3500 (5.7L / 6.4L).

The COMP Cams HRT Camshaft Packages for Gen III HEMI engines utilize Low Shock Technology (LST) to eliminate the guesswork in valvetrain upgrades. These lobe profiles are engineered using Spintron and dyno testing to maximize horsepower while maintaining valvetrain stability at higher RPM. By reducing the harshness of the valve opening and closing events, these kits improve durability and minimize spring load loss over time.

This CK-Kit (Cam Kit) is specifically designed for VVT-equipped HEMI applications and provides a complete hardware solution to support the increased lift and duration of the HRT profile. The inclusion of a phaser limiter ensures proper timing control while allowing for maximum performance gains.

• Manufacturer Part Number: CK201-303-17
• Engine Compatibility: Gen III HEMI (5.7L & 6.4L)
• Valve Spring Type: Premium Beehive or Conical Valve Springs
• Retainer Material: High-strength Chromemoly Steel
• Included Hardware: Camshaft, VVT phaser limiter, pushrods, valve springs, chromemoly retainers, valve locks, spring seats, and valve seals
• Technology: Low Shock Technology (LST) for enhanced RPM stability

Fits select 2003-2008 Chrysler 300 and Aspen, Dodge Ram 1500/2500/3500, Charger, Challenger, Durango, and Magnum, and Jeep Grand Cherokee and Commander (5.7L HEMI).

COMP Cams HRT Stage 3 Camshaft Packages are engineered to take the guesswork out of upgrading your Gen III HEMI valvetrain. Utilizing proprietary Low Shock Technology, these lobe profiles are designed to maximize horsepower and maintain stability at higher RPM levels. This advanced design reduces the load on your valve springs, significantly enhancing durability and preventing performance-robbing load loss.

Every HRT profile has been validated through extensive Spintron and dyno testing to ensure optimal component matching. This CK-Series kit provides the essential components needed to support the more aggressive lift and duration of the Stage 3 profile, delivering substantial power gains for modern HEMI applications.

• Manufacturer Part Number: CK112-305-11
• Engine Series: Gen III HEMI 5.7L
• Stage: 3 (HRT - High Roller Technology)
• Includes: Performance camshaft and phaser limiter
• Includes: High-strength pushrods and premium valve springs (Beehive or Conical)
• Includes: Chromemoly steel retainers and valve locks
• Includes: Spring seats and high-quality valve seals

Fits select 2003-2008 Chrysler 300, Aspen, Dodge Challenger, Charger, Durango, Magnum, Ram 1500/2500/3500, and Jeep Commander and Grand Cherokee (5.7L / 6.1L).

COMP Cams HRT Stage 2 Camshaft Packages for Gen III HEMI applications eliminate the guesswork of selecting a valvetrain upgrade. Engineered with Low Shock Technology, these camshafts feature lobe profiles designed to maximize horsepower while maintaining stability at high RPM. This technology reduces load loss and stress on the valve springs, significantly enhancing long-term durability. Depending on your specific application and supporting modifications, these HRT profiles can provide gains of up to 170 horsepower.

Every HRT Camshaft Package is extensively tested using Spintron and dynamometer validation to ensure all components are perfectly matched for performance and reliability. This CK-Kit (Cam Kit) includes the essential hardware needed for a professional installation and valvetrain refresh.

• Manufacturer Part Number: CK112-303-11
• Series: HRT (Hydraulic Roller Technology) Stage 2
• Camshaft: High-performance lobe profile for increased power and RPM stability
• Valve Springs: Beehive or Conical springs for superior harmonics
• Hardware: Chromemoly steel retainers, valve locks, spring seats, and valve seals
• Installation Components: Performance pushrods and phaser limiter (for VVT-equipped models)

The COMP Cams 973-1 Single Inner Valve Spring is engineered for performance engine builders who require precise components to create custom spring assemblies. By selecting specific metal stock and utilizing a rigorous design and manufacturing process, COMP Cams ensures these springs maintain consistent rates and durability under the high-stress conditions found in performance and racing applications.

This single inner spring is designed to be used as part of a multi-spring setup, providing the necessary dampening and tension required for stable valvetrain operation at high RPMs. Each spring is crafted to meet the exact tolerances required by professional builders to prevent spring fatigue and failure.

• Manufacturer Part Number: 973-1
• Inner Diameter: 0.970 in
• Spring Style: Single Inner Valve Spring
• Application: Suitable for custom valve spring assemblies requiring specific dampening and tension characteristics

Fits GM LS Gen III and IV engines.

The COMP Cams C5-R IWIS Single Race Timing Chain is a premium valvetrain upgrade designed for maximum durability in high-performance GM LS applications. Originally developed for endurance racing, this IWIS-manufactured chain provides superior strength and fatigue resistance compared to standard OE components, making it an essential choice for both aggressive street builds and dedicated track cars.

As a direct replacement single-row chain (MPN: 9303CPG), it installs into the factory location without the need for clearancing the timing cover or modifying the oil pump, which is often required with double-row alternatives. This ensures a straightforward installation while providing the timing accuracy and chain-stretch resistance needed for high-RPM operation.

• Manufacturer Part Number: 9303CPG
• Design: High-strength IWIS single-row race chain
• Compatibility: GM LS Gen III and Gen IV engines
• Installation: Direct replacement; no modifications to oil pump or timing cover required
• Application: Suitable for street, strip, and professional endurance race use

Fits select 1967-1980 Buick, Chevrolet, Oldsmobile, and Pontiac models, including Electra, Riviera, Corvette, and Bonneville.

COMP Cams 910-16 Single Outer Valve Springs are engineered to provide the precise seat and open pressures required for performance street and mild race applications. These springs feature an internal friction damper to control harmonic vibrations and spring surge, ensuring stable valvetrain operation at higher RPMs. Manufactured from premium-grade metal stock and subjected to rigorous quality control, these springs offer the durability needed to meet the demands of classic GM engine builds.

• Part Number: 910-16
• Spring Style: Single outer with internal damper
• Designed to control valvetrain harmonics and prevent spring surge
• Precision-wound to exact tolerances for consistent performance
• Compatible with a wide range of vintage GM V8 engine platforms

Fits select 2009-2019 Chrysler 300 and Aspen; Dodge Challenger, Charger, Durango, and Ram 1500/2500/3500; Jeep Commander and Grand Cherokee; and Ram 1500/2500/3500 (5.7L / 6.1L / 6.4L).

COMP Cams Hi-Tech Pushrod Sets are engineered specifically for late-model HEMI engines equipped with performance aftermarket camshafts. These pushrods provide the optimal preload and valvetrain stability required when moving away from stock profiles. Note: These components are not compatible with stock camshafts.

Constructed from a single piece of 0.080-inch wall chromemoly tubing, these pushrods undergo a cryo-treatment process to ensure maximum durability under high-load conditions. Each rod features precision-formed and reinforced ball-type ends to maintain consistent contact and reduce wear. The entire set is finished in black oxide and laser-etched for easy identification during installation.

• One-piece 0.080" wall chromemoly construction
• Cryo-treated for extended service life
• Precision-formed and reinforced ball-type ends
• Black oxide finish with laser-etched specifications
• Intake Length: 8.125 in
• Exhaust Length: 6.800 in
• Diameter: 5/16 in
• Manufacturer Part Number: 8721-16

Fits select 2003-2019 Chrysler 300, Aspen; Dodge Challenger, Charger, Durango, Magnum, Ram 1500/2500/3500; Jeep Commander, Grand Cherokee; and Ram 1500/2500/3500 (Gen III HEMI).

Designed as a high-performance upgrade for Gen III HEMI engines, the COMP Cams Non-MDS Lifter Kit ensures all eight cylinders remain engaged at all times. This kit is a necessary component when deleting the Multi-Displacement System (MDS) or installing performance camshafts that require stable, consistent valve timing. Engineering improvements over standard OE and Hellcat lifters include enhanced oil retention around the axle and roller bearing to minimize wear and extend service life.

The lifter bodies feature strategic reinforcement with extra material at the base to increase stiffness and strength in the critical roller area. This drop-in design protects against roller bearing failure and body breakage in applications ranging from stock rebuilds to high-lift racing setups. Included in this kit are four premium lifter yokes, each designed to hold and perfectly align four lifters for a complete engine set.

• Replaces failure-prone MDS lifters for full-time 8-cylinder operation
• Enhanced oiling around axle and bearing for superior durability
• Reinforced lifter body for increased strength in high-performance applications
• Includes 16 Non-MDS lifters and 4 alignment yokes
• Manufacturer Part Number: 856Y-16