PSI Dual Valve Springs

PSI DR 1283 RML Dual Racing Valve Springs

$685.00 Set of 16, Free Shipping

PSI Performance Springs DR-1283-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 1.585″ OD Dual Springs.

Type: Dual
Spring OD: 1.585″
Inner ID: .735″
Seat: 550 lbs @ 2.350″
Open: 1590 lbs @ 1.300″
Recommended Lift: 1.050″

SKU: PSI-DR-1283-RML-16 Category: Tags: , , ,
Part#DR-1283-RML (Single Spring)
Alt Part#DR-1283-RML-16 (Set of 16)
DescriptionPSI Drag Race 1200 & RML Series Dual Valve Spring
Outside Diameter1.585″
Outer SpringID 1.075″
Middle SpringN/A
Inner SpringID 0.735″
Install Height2.350″
Load at Installed Height550 lbs
Spring Open Height1.300″
Spring Open Load1590 lbs
Recommended Valve Lift1.050″
Spring Rate (lbs/in)990.0
Retainer Step0.100″
Coil Bind (max)1.230″

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