PSI Triple Valve Springs Drag Racing

PSI DR 1267 RML Triple Racing Valve Springs

$710.00 Set of 16, Free Shipping

PSI Performance Springs DR-1267-RML is a severe duty triple 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 1.740″ OD Triple Springs.

Type: Triple
Spring OD: 1.740″
Inner ID: .630″
Seat: 400 lbs @ 2.550″
Open: 1600 lbs @ 1.250″
Recommended Lift: 1.300″

SKU: PSI-DR-1267-RML-16 Category: Tags: , , ,

 

Part#DR-1267-RML (Single Spring)
Alt Part#DR-1267-RML-16 (Set of 16)
DescriptionPSI Drag Race 1200 & RML Series Triple Valve Spring
Outside Diameter1.740″
Outer SpringID 1.240″
Middle SpringID .880″
Inner SpringID 0.630″
Install Height2.550″
Load at Installed Height400 lbs
Spring Open Height1.250″
Spring Open Load1600 lbs
Recommended Valve Lift1.300″
Spring Rate (lbs/in)923
Retainer Step0.100″
Coil Bind1.180″

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