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PSI DR 424 Dual Racing Valve Springs

$340.00 Set of 16, Free Shipping

PSI Performance Springs DR-424 is a severe duty dual valve spring designed for solid roller valvetrain. Designed for aftermarket cylinder heads with 1.525″ OD Dual Springs.

Type: Dual
Spring OD: 1.525″
Inner ID: .780″
Seat: 250 lbs @ 2.000″
Open: 775 lbs @ 1.200″
Recommended Lift: .800″