COMP Cams CL21-224-4 COMP Cams Xtreme Energy Cam and Lifter Kits Sierra Marine Alternators 0-inch tubing diameter for optimized

0-inch tubing diameter for optimized flow characteristics

An included electric choke provides reliable cold starts without manual intervention

T-304L contains low carbon content to prevent carbide precipitation during welding maintaining corrosion resistance at the weld joint

providing real-world timing numbers that experienced engine builders trust for calculating dynamic compression and valve overlap

This header features quality construction using materials appropriate for its intended application

COMP Cams CL21-224-4 COMP Cams Xtreme Energy Cam and Lifter Kits Sierra Marine Alternators 0-inch tubing diameter for optimizedThe COMP Cams CL21 224 4 COMP Cams Xtreme Energy Cam and Lifter Kits are precision lifters from COMP Cams, engineered to follow the camshaft lobe profile accurately at all engine speeds. Lifters are a critical component in the valvetrain that directly affects valve timing, lift, and overall engine performance. Part 03298 is configured for its specific application with attention to fitment requirements. COMP Cams lifters are manufactured to tight