Comp Cams Camshaft, Hydraulic Roller Tappet, Advertised Duration 289/297

COMP Cams Xtreme Marine camshafts take advantage of the newest developments in camshaft engineering. Their aggressive lobe design produces better throttle response and top-end horsepower than other cams with the same duration at .050 in., while delivering increased engine vacuum. These cams are available for everything from pleasure boats to race applications, so you can always enjoy Xtreme performance on the water. From hydraulic and mechanical, to flat and roller tappet, COMP Cams offers camshafts for your watercraft dating as far back as the 1950s. 

• Cam Style:Hydraulic roller tappet
• Basic Operating RPM Range:2,500-6,000
• Intake Duration at 050 inch Lift:235
• Exhaust Duration at 050 inch Lift:243
• Duration at 050 inch Lift:235 int./243 exh.
• Advertised Intake Duration:289
• Advertised Exhaust Duration:297
• Advertised Duration:289 int./297 exh.
• Intake Valve Lift with Factory Rocker Arm Ratio:0.610 in.
• Exhaust Valve Lift with Factory Rocker Arm Ratio:0.627 in.
• Valve Lift with Factory Rocker Arm Ratio:0.610 int./0.627 exh.
• Lobe Separation (degrees):114
• Computer-Controlled Compatible:No
• Grind Number:XM289HR-14
• Valve Springs Required:Yes
• Quantity:Sold individually.
• Notes:Only fits applications with a 525 c.i. marine engine.

Vehicle Fitments: