PSI DR 425 RML Dual Racing Valve Springs

$480.00 Set of 16, Free Shipping

PSI Performance Springs DR-425-RML is a severe duty dual valve spring designed for solid roller valvetrain with added features. This model includes the special RML high strength materials for extended load retention and Max Life (ML) multi-step surface enhancement process to increase spring endurance. Designed for aftermarket cylinder heads with 1.625″ OD Dual Springs.

Type: Dual
Spring OD: 1.625″
Inner ID: .855″
Seat: 305 lbs @ 2.050″
Open: 865 lbs @ 1.150″
Recommended Lift: .900″