PSI Triple Valve Springs Drag Racing

PSI DR 1246 Triple Racing Valve Springs

$478.00 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)
DescriptionPSI Drag Race 1200 Series Triple Valve Spring
Outside Diameter1.645″
Outer SpringID 1.195″
Middle SpringID .870″
Damperno
Inner SpringID 0.630″
Install Height2.000″
Load at Installed Height300 lbs
Spring Open Height1.200″
Spring Open Load890 lbs
Recommended Valve Lift0.800″
Spring Rate (lbs/in)738
Retainer Step0.100″

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