PSI Triple Valve Springs Drag Racing

PSI DR 1246 Triple Racing Valve Springs

$510.00 Set of 16, Free Shipping

PSI Performance Springs DR-1246 is a severe duty valve spring designed for solid roller valvetrain. Works with most aftermarket cylinder heads with 1.645″ OD triple springs.

Type: Triple
Spring OD: 1.645″
Inner ID: .630″
Seat: 300 lbs @ 2.000″
Open: 890 lbs @ 1.200″
Recommended Lift: .800″

SKU: PSI-DR-1246-16 Category: Tags: ,

Coil Bind (max)1.100″

Part# DR-1246 (Single Spring)
Alt Part# DR-1246-16 (Set of 16)
Description PSI Drag Race 1200 Series Triple Valve Spring
Outside Diameter 1.645″
Outer Spring ID 1.195″
Middle Spring ID .870″
Damper no
Inner Spring ID 0.630″
Install Height 2.000″
Load at Installed Height 300 lbs
Spring Open Height 1.200″
Spring Open Load 890 lbs
Recommended Valve Lift 0.800″
Spring Rate (lbs/in) 738
Retainer Step 0.100″
Weight 6 lbs
Dimensions 16 × 4 × 4 in

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