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)
DescriptionPSI Drag Race 1200 Series Triple Valve Spring
Outside Diameter1.660″
Outer SpringID 1.195″
Middle SpringID .870″
Inner SpringID 0.630″
Install Height2.200″
Load at Installed Height385 lbs
Spring Open Height1.200″
Spring Open Load1110 lbs
Recommended Valve Lift1.000″
Spring Rate (lbs/in)725
Retainer Step0.100″
Coil Bind (max)1.130″

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