![PERFORMANCE VALVE SPRING KITS FOR EVOLUTION MODELS & TWIN CAM](http://rt66cycle.com/cdn/shop/products/0068825_550.JPG_9eb3c336-51d0-42bf-b631-f73f6b6d07fd_{width}x.jpg?v=1614563271)
MidUSA
PERFORMANCE VALVE SPRING KITS FOR EVOLUTION MODELS & TWIN CAM
$190.58
- Good street and performance spring kits for cam/s that produce up to .675" valve lift
- Exerts 184 lbs. of seat pressure
- Tri-spring design for reduced harmonics
- Available with chrome-moly steel or titanium top collars
VThunder
Titanium Top Collar Valve Spring Kit
Fits Big Twin Evolution 1984/1999, Twin Cam 1999/2004 & Sportster 1986/2003
By: COMPETITION CAMS