- For 95" or larger engines with compression ratios between 10.0 to 10.75:1
- High-lift springs and adjustable pushrods required
- Strongest from 3000-6000 rpm
- Made in the USA
- Installer must check coil bind, valve to valve clearance and valve to piston clearance.
- Kit requires high performance valve springs when installed in '99-'04 models.Cams for '00-'06 Twin Cam are for use with stock splined drive gears; for installation on '99 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends Andrews 4340 steel driver sprocket.