PSI Triple Valve Springs Drag Racing

PSI DR 1249 Triple Racing Valve Springs

$520.00 Set of 16, Free Shipping

PSI Performance Springs DR-1249 is a severe duty valve spring designed for solid roller valvetrain. Works with most aftermarket cylinder heads with 1.660″ OD Triple Springs.

Type: Triple
Spring OD: 1.660″
Inner ID: .630″
Seat: 385 lbs @ 2.200″
Open: 1110 lbs @ 1.200″
Recommended Lift: 1.000″

SKU: PSI-DR-1249-16 Category: Tags: ,
Part# DR-1249 (Single Spring)
Alt Part# DR-1249-16 (Set of 16)
Description PSI Drag Race 1200 Series Triple Valve Spring
Outside Diameter 1.660″
Outer Spring ID 1.195″
Middle Spring ID .870″
Inner Spring ID 0.630″
Install Height 2.200″
Load at Installed Height 385 lbs
Spring Open Height 1.200″
Spring Open Load 1110 lbs
Recommended Valve Lift 1.000″
Spring Rate (lbs/in) 725
Retainer Step 0.100″
Coil Bind (max) 1.130″
Weight 7.2 lbs
Dimensions 16 × 4 × 4 in

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