PSI Dual Valve Springs

PSI 163X 1.545 OD Dual Racing Valve Springs

$740.00 Set of 16, Free Shipping

PSI Performance Custom Dual Valve Spring is a severe duty dual valve spring designed for solid roller valvetrain.

Type: Dual
Spring OD: 1.545″
Inner ID: .725″
See chart below for specs

SKU: MU-D163X Category: Tags: , Brand:
Part# PSI 163X Single Spring)
Alt Part# PSI 163X-16 (Set of 16)
Description PSI Special Spec Dual Valve Spring
Outside Diameter 1.545″
Outer Spring ID 1.065″
Middle Spring N/A
Inner Spring ID 0.725″
Install Height
Load at Installed Height
Spring Open Height
Spring Open Load
Max Coil Bind Height 1.140″
Spring Rate (lbs/in) 989.3
Spring Mass  157 Grams
Height Assembly Load
2.200 496
2.150 545
2.100 594
2.050 644
2.000 693
1.950 743
1.900 792
1.850 842
1.800 891
1.750 941
1.700 990
1.650 1040
1.600 1089
1.550 1139
1.500 1188
1.450 1238
1.400 1287
1.350 1336
1.300 1386
1.250 1435
1.200 1485
Weight 5 lbs
Dimensions 16 × 4 × 4 in

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