Chris Rivas Rocket Cams 554 Chain Drive Cams

$329.95

Peak performance at 1500 to 5800 rpm. Stock compression ratio or up to 10:1. Best power with free-flow air cleaner and performance exhaust. Powerful cruising bolt-in cam. Uses stock valve springs. Recommended engine sizes 88″ to 107″ above average mid-range passing power.

 

For 99-06 Twin Cams

SKU: 276-02011 Categories: , Tags: ,

Description

554 Chain Drive Cams

Chris Rivas Signature Series Rocket camshafts, for late model Harley-Davidson® big twins, feature the Easy Start centrifugal compression release system licensed by S&S® Cycle for easy starting even with large displacement and higher compression ratios. Developed from years of NHRA® Pro-Stock motorcycle, Bonneville land speed racing and street building experience ensures you’re getting the highest quality American made camshafts for your twin cam engine.

Acceleration Domination!!!

Specs

Valve Lift: 0.554

Duration

Intake: 240

Exhaust: 250

Valve Timing

Intake Opens: 22

Intake Closes: 38

Exhaust Opens: 54

Exhaust Closes: 16

Lift @ TDC

Intake: 0.182

Exhaust: 0.172

Additional information

Weight 4 lbs
Dimensions 8 × 4 × 4 in