Description
Stock cam timing and chain tensioners limit your engine’s potential and introduce reliability concerns on high-revving applications. The S&S 551 Series delivers measurable gains in lift and valve timing while replacing vulnerable OEM components with premium, U.S.-manufactured parts engineered for durability. Whether you choose chain-drive or gear-drive configuration, this bolt-in upgrade eliminates guesswork and delivers the dependable performance serious riders demand.
- Bolt-in installation
- Higher valve lift
- Optimized cam timing
- S&S Quickee pushrods included
- No rocker cover removal required
- Replaces OEM cam, cams, chain tensioners, tappets
- Premium U.S.-made components
- Gear-drive option available
- Hydraulic cam chain tensioners (chain-drive)
- Enhanced chain life
- Improved valve timing stability
- MPN: 310-0812
