![PERFORMANCE VALVE SPRING KITS FOR EVOLUTION MODELS & TWIN CAM](http://rt66cycle.com/cdn/shop/products/0069003_550.JPG_ce87efc5-7d9d-4834-9c18-548e9008f418_{width}x.jpg?v=1614563270)
MidUSA
PERFORMANCE VALVE SPRING KITS FOR EVOLUTION MODELS & TWIN CAM
$118.65
- 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
Chrome-Moly Top Collar Valve Spring Kit
Fits Big Twin Evolution 1984/1999, Twin Cam 1999/2004 & Sportster 1986/2003
By: COMPETITION CAMS