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Valve Springs, Dual, 1.560 in. Outside Diameter, 520 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16
Part Number: ISK-9425
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 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, PSI Sportsman Drag Race Valve Spring
Part Number: ISK-425R
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
VALVE SPRING
Part Number: ISK-9901A
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 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 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Valve Springs, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: ISK-9385PLUS
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 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 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Valve Springs, Valve Spring Set
Part Number: ISK-455D
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
LIFTER
Part Number: ISK-222HY-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Combustion Chamber Kit, 100 cc Beaker, Clear Plastic Chamber Plate, Compression Ratio Wheel
Part Number: ISK-202-CCK
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pushrods, Chromoly, Heat-Treated, Ball/Ball, 5/16 in. Diameter, 8.031 in. Length, Set of 16
Part Number: ISK-203HG250
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Retainers, Steel, 7 Degree, 1.530 in. Outside Diameter, .725 in. Inside Diameter, Set of 16
Part Number: ISK-175-ST
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pushrods, Chromoly, Heat-Treated, Ball/Ball, 5/16 in. Diameter, 7.320 in. Length, Set of 16
Part Number: ISK-203HGM460
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
ROLLER LIFTER PAIR
Part Number: ISK-37296RHMEZX1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Locators, Outside, Steel, .060 in. Thick, 1.750 in. O.D., .630 in. I.D., Set of 16
Part Number: ISK-990-SC
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pushrods, Chromoly, Heat-Treated, Cup/Ball, 3/8 in. Diameter, 10.062 in. Length, Set of 8
Part Number: ISK-AH013
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Locks, Machined, Chromoly, 10 Degree, 1-Groove, 5/16 in. Valve Stem, Set of 32
Part Number: ISK-VL-10-5-16
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Locator, Inside, Steel, .045 in. Thick, 1.540 in. O.D., .570 in. I.D., .740 in. Spring I.D., Each
Part Number: ISK-800VSL
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Locators, Inside, Steel, .045 in. Thick, 1.520 in. O.D., .720 in. I.D., .720 in. Spring I.D., Set of 16
Part Number: ISK-900-VSL
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Retainers, Steel, 7 Degree, 1.550 in. Outside Diameter, .730 in. Inside Diameter, Set of 16
Part Number: ISK-527-STA
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Retainers, Steel, 7 Degree, 1.530 in. Outside Diameter, .730 in. Inside Diameter, Set of 16
Part Number: ISK-607-STA
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pushrods, Steel, Cup/Ball, 5/16 in. Diameter, 8.703 in. Length, Set of 8
Part Number: ISK-MG-003
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring Retainers, Steel, 7 Degree, 1.530 in. Outside Diameter, .735 in. Inside Diameter, Set of 16
Part Number: ISK-347-ST
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
TIMING SET
Part Number: ISK-1600-TS
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pilot, Piston Notching Tool, 11/32 in. Diameter, Each
Part Number: ISK-NP1132
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
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