Jan 29, 2024
New PAC Racing Valve Springs
This PAC spring can handle well over 1.300 valve lift run after run. It is a
This PAC spring can handle well over 1.300 valve lift run after run. It is a proven winner in Mountain Motor Pro Stock and Top Sportsman applications. This modern spring design can effectively enhance your racing engine valvetrain performance.
Specs include: 450lbs @ 2.550 1675lbs @ 1.250942 Rate Max Coil Bind 1.180