Part Description
The Red Shift 558 is a High Torque cam for modified Milwaukee Eight engines with 11.25-11.5:1 compression, designed to provide a strong torque curve rather than more peak power. Has slightly more lift than its brother, the RS 562. This allows the engine builder to reduce the stress on the valve spring with standard or higher rocker ratios standard up to 1.64 ratio. Install with performance tappets, .550" lift valve springs with 100 lbs. seat and 280+ lbs. nose pressure and adjustable pushrods, Red Shift 558 chain drive cam for Milwaukee Eight
Text excerpt from the catalog:
Designed by Zipper’s Engineering, these Red Shift cams deliver significant improvements in power and throttle response right where you ride. These High Performance cams are intended for use with Big Bore cylinder kits, high compression pistons and ported or Performance cylinder heads for big gains in both torque and horsepower. Install with performance tappets, adjustable pushrods and High Lift valve springs as indicated.
