Description
Product Description
2018 FAT BOOK UPDATE FITS 08-17 TOURING MODELS EXC TWIN COOLED MODELS.
Features
- Designed specifically for S&S® T-Series T2 long block engines for Harley Davidson® big twins and engines with S&S® 4-1/4" bore Hot Set Up installed
- 2.000" intake and 1.605" exhaust valves coupled with S&S® ports, supply plenty of air for these big motors
- Manifold mounting surface is machined to stock dimensions
- A special manifold/throttle body is required for engines that are not stock height.
- S&S® High performance valve springs allow the installation of camshafts with up to .650" lift
- Compatible with stock rocker boxes, exhaust, and intake manifolds
- Not machined for compression releases.
- Must use S&S valve cover gasket kit with stock rocker covers.
- Made in the USA
- Not compatible with '14-'16 FLHTK/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.