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PSI DR 425 Dual Racing Valve Springs

$340.00 Set of 16, Free Shipping

PSI Performance Springs DR-425 is a severe duty dual valve spring designed for solid roller valvetrain. 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″