Store
J and P Cycles
J&P Cycles, Inc. was founded by John and Jill Parham in 1979. It sells motorcycle components, apparel, and gear for the American V-twin motorcycle rider.
Detail
S&S 631 Cam For Harley Big Twin Evo Features: For high RPM in street and racing engines with 11:1 and higher ratios Develops maximum performance from 4500 RPM on up Great performance cam, but expect more wear and tear on valve train 631 Cam Info: Designed for high-RPM applications For all high-compression engines 11:1 and up compression 4500 Rpm-6500 RPM Incredible performance, but expect more wear and tear on your valve train components Intake open/close 34/61 Exhaust open/close 66/29 Intake duration 275 Exhaust duration 276 Lift .630