Availability
Valve Springs, PSI Dual Spring, No Dampener, 1.625 in. Outside Diameter, 622 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: ISK-DR425R
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.530 in. Outside Diameter, 400 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: ISK-8005-A
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Single, 1.260 in. Outside Diameter, 360 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: ISK-295-D
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Single, 1.010 in. O.D., 1.345 in. Coil Bind Height, Ford, 239 Flathead, Set of 16
Part Number: ISK-185-G
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Single, 1.260 in. Outside Diameter, 350 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: ISK-235D
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.530 in. Outside Diameter, 440 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: ISK-8205
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.550 in. Outside Diameter, 480 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-9315
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.430 in. Outside Diameter, 330 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-6105
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.625 in. Outside Diameter, 594 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1224
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.430 in. Outside Diameter, 320 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: ISK-6205
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.430 in. Outside Diameter, 275 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-6005
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Single, 1.340 in. Outside Diameter, 280 lbs./in. Rate, .970 in. Coil Bind Height, Set of 12
Part Number: ISK-7005-12
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Spring Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .735 in. Inside Diameter, Set of 16
Part Number: ISK-507-ST
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: ISK-9985
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Springs, Dual, 1.625 in. Outside Diameter, 550 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: ISK-9945
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Spring Retainers, Steel, Stock Lock Style, 1.34 in. Outside Diameter, .635 in. Inside Diameter, Set of 12
Part Number: ISK-1624ST-12
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Inner Valve Springs
Part Number: ISK-SP-116
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Valve Spring Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .735 in. Inside Diameter, Set of 16
Part Number: ISK-507STA
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
VALVE SPRINGS
Part Number: ISK-305-DHS
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
TITANIUM RETAINERS
Part Number: ISK-94-TI
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Lifters, Red-Zone EZ-Roll Roller, Mechanical Roller, Vertical Link Bars, Chevy, 7.4L, 8.2L, Set of 16
Part Number: ISK-376RHM904EZM
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Lifters, Red-Zone, Mechanical Roller, Vertical Link Bar, Chevy, Big Block, Set of 16
Part Number: ISK-37296RH
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Lifters, Red-Zone, Mechanical Roller, Vertical Link Bar, Chevy, Set of 16
Part Number: ISK-272-RH
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Camshaft, Mechanical Flat Tappet, Advertised Duration 288/292, Lift .547/.548, Chevy, Small Block, Each
Part Number: ISK-201547
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Lifters, Red-Zone, Mechanical Roller, Vertical Link Bar, Chevy, Small Block, Set of 16
Part Number: ISK-372-RHM
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
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