Performance Valve Springs, complete set V1215125

High quality steel
Uprated for higher lift camshafts
Includes:
 - 24 x Uprated Inner Springs (#100239 supersedes 4146798, 9160342, 9161346)
- 24 x Uprated Outer Springs (#100240 supersedes 4146799, 9160343, 9161347)
(365: GT4 2+2, GTB4 Daytona, GTC4); (400: All); (412: All)

V1215125