COMP Cams Single Valve Spring - 1.650 in OD (Set of 12) CH-O-2 LONG-TUBE headers are designed specifically

LONG-TUBE headers are designed specifically for swapping a 351W engine into (non-factory 351W equipped) 1964-73 Ford Mustang

1951-1958 Chrysler Town & Country

1967 Dodge D200 Series CID 273 GAS

Lightweight bump spring cups are made from 6061-T6 aluminum and have a black anodized finish

COMP Cams Single Valve Spring - 1.650 in OD (Set of 12) CH-O-2 LONG-TUBE headers are designed specificallyProduct Description: Valve Spring Single Spring 300 lb in Spring Rate 1. 033 in Coil Bind 1. 650 in OD Set of 12 For 30 years, the COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer model, if that