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 Super Stock Cylinder Heads For Harley Big Twin Features: Fully assembled S&S Cycle heads for stock and 3-5/8 bore Evolution engines were originally designed for engines using stock crankcases 3-1/2 bore heads can be used with stock cylinders Although these heads are machined with the stock Evolution cylinder pattern and may be used on stock crankcases, special pistons are required with a pop-up dome shape that matches the contour of the S&S Cycle combustion chamber for maximum performance Choose between 3-1/2 bore head gaskets or 3-5/8 head gaskets depending on cylinder bore
