COMP Cams 12-240-4 COMP Cams Xtreme Marine Camshafts Timing Sets Each coupler is multi-ply silicone

Each coupler is multi-ply silicone with embedded reinforcement that resists ballooning at 40+ psi

Compatible with factory catalytic converters and headers

This compressor displaces 124 cc per revolution and is compatible with both R134a and R12 refrigerants

Each airshock features a nitrogen-charged damper with Sway-A-Way's precision valving for consistent damping

allowing tube-by-tube tuning across the stroke

COMP Cams 12-240-4 COMP Cams Xtreme Marine Camshafts Timing Sets Each coupler is multi-ply siliconeThe COMP Cams 12 240 4 COMP Cams Xtreme Marine Camshafts is a precision ground camshaft engineered for enthusiasts who demand real performance. As the heart of your valvetrain, this cam controls valve events with exacting timing, dictating how your engine breathes at every RPM. Ideal for high performance street, strip, or marine applications where power and reliability are non negotiable. Ground from a high quality billet core using COMP Cams