Description
S&S Cycle cylinder heads deliver measurable high-port flow gains that unlock performance now while preserving headroom for future upgrades. Whether you’re running a stock 88-cubic-inch or pushing a built 110-inch motor, these fully assembled heads match your displacement and compression strategy. Built to S&S standards in the USA, they’re engineered for reliability on the street and strip.
- Manufacturer Part 106-3227
- High-flow ported design
- Fully assembled, springs included
- Two chamber options available
- 79cc: 1.940″ intake valve
- 79cc: 1.575″ exhaust valve
- 79cc: .640″ lift capacity
- 89cc: 2.000″ intake valve
- 89cc: 1.605″ exhaust valve
- 89cc: .640″ lift capacity
- 79cc suits 88-103″ engines
- 89cc suits 103″+ displacement
- Compression ratio varies per spec
- Machined for compression releases
- Accepts OEM intake manifolds
- Bolt-on installation ready
- Four long headbolts included
- Four OEM bolts reusable
- Requires S&S rocker boxes
- S&S compression releases sold separately
- Not Twin Cooled compatible
- Made in USA
