Availability
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Lash Cap, Steel, 6mm Valve Stem, .175 in. Thick, Each
Part Number: ISK-LC-175
Not Yet Reviewed
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Valve Springs, Triple, 1.660 in. Outside Diameter, 1,045 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1248
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Triple, 1.660 in. Outside Diameter, 1,110 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1249
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
DRAG SPRINGS
Part Number: ISK-1247
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Valve Springs, Dual, 1.570 in. Outside Diameter, 510 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: ISK-9995RAD
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.430 in. Outside Diameter, 330 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-9955RAD
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.175 in. Coil Bind Height, Set of 16
Part Number: ISK-9915
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 490 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: ISK-9935
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
Valve Springs, Dual, 1.570 in. o.d., 1.200 in. Coil Bind Height, 0.800 in. Maximum Lift, Set of 16
Part Number: ISK-9989-RAD
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
Valve Springs, Dual, 1.600 in. O.D., 650 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: ISK-9999-RAD
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.540 in. Outside Diameter, 0.745 in. Inner Spring Inside Diameter, 860 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: ISK-DR1256RML
Not Yet Reviewed
DRAG SPRINGS
Part Number: ISK-1246
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Valve Springs, Dual, 1.534 in. Outside Diameter, 500 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: ISK-9905
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 480 lbs./in. Rate, 1.145 in. Coil Bind Height, Set of 16
Part Number: ISK-9975
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.534 in. Outside Diameter, 470 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: ISK-9925
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 470 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: ISK-9965
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Lifters, Hyd Roller SB Chevy, Retrofit, Set of 16
Part Number: ISK-2077HYRT
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Lifters, Hydraulic Roller, Vertical Link Bars, 0.842 in. O.D., Chevy, Big Block, Set of 16
Part Number: ISK-3977HYRT
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Lifters, Red-Zone EZ-Roll Max, Mechanical Roller, Vertical Link Bars, Chevy, Big Block, Set of 16
Part Number: ISK-37296RHEZMAX
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
Lifters, EZ-Hydro, Hydraulic Roller, Vertical Link Bars, 0.842 in. O.D., Chevy, Big Block, Set of 16
Part Number: ISK-3975HYRT
Estimated Ship Date: Monday 12/8/2025
Estimated Ship Date: Monday 12/8/2025
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