PSI Dual Valve Springs

PSI CT 1581 ML Dual Racing Valve Springs

$698.00 Set of 16, Free Shipping

PSI Performance Springs CT-1581-ML is a severe duty dual valve spring designed for solid roller valvetrain with added features. This model includes Max Life (ML) multi-step surface enhancement process to increase spring endurance. Designed for aftermarket cylinder heads with 1.300″ OD Dual Springs.

Type: Dual
Spring OD: 1.300″
Inner ID: .628″
Seat: 182 lbs @ 1.920″
Open: 700 lbs @ 1.120″
Max Lift: .800″

SKU: PSI-CT-15810-ML-16 Category: Tags: , , Brand:
Part#CT-1581-ML (Single Spring)
Alt Part#CT-1581-ML-16 (Set of 16)
DescriptionPSI Drag Race 1500 Series Dual Valve Spring
Outside Diameter1.300″
Outer SpringID .898″
Middle SpringN/A
Inner SpringID 0.628″
Install Height1.920″
Load at Installed Height182 lbs
Spring Open Height1.120″
Spring Open Load700 lbs
Max Valve Lift.800″
Spring Rate (lbs/in)648
Retainer Step
.100″
Coil Bind1.050″

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