S&S Super Stock 79cc cylinder heads are intended for stock engines and other small displacement applications. These heads are compatible with stock Harley- Davidson® rocker boxes. They are a very economical performance upgrade designed for use with other performance enhancers and are machined to accept S&S compression releases.
- 2006-up big twin models
- Stock and 3-7/8 inch bore
- Heads can be decked up to .060 inch to increase compression
- 1.940 inch intake and 1.575 inch exhaust valves
- S&S .640 inch lift valve springs
- Stock Harley-Davidson® rocker boxes can be retained if S&S manual compression release or S&S Easy Start cams are used.
- Must use S&S valve cover gasket part #90-4124 with stock rocker covers
- Silver Powder Coat or Wrinkle Black Powder Coat Finish
Silver. . . . . 106-3227
Black. . . . . 106-3233