Availability
Valve Springs, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1225-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Replacement, Dual, 640 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, 1.550 in. O.D., for Use with Solid Roller Camshafts, Set of 16
Part Number: AFR-8001-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1226-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Performance Street/Strip, Dual, 644 lbs./in. Rate, 1.150 in. Coil Bind Height, 1.550 in. O.D., Set of 16
Part Number: HRS-98825
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1225
Not Yet Reviewed
Estimated Ship Date: Aug 22, 2025 if ordered today
Estimated Ship Date: Aug 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, 1300 Series Circle Track, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1325-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Springs, 1300 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1326-16
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Valve Spring, 1300 Series Circle Track, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1325
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
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: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
Valve Springs, Replacement, Standard Style, Dual, 1.550 in. O.D., 640 lbs./in. Spring Rate, for Use with Solid Roller Camshafts, Each
Part Number: AFR-8001-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Valve Spring, Dual, 1.570 OD
Part Number: HRS-98826
Not Yet Reviewed
Estimated Ship Date: Oct 2, 2025 if ordered today
Estimated Ship Date: Oct 2, 2025 if ordered today
Valve Springs, 1300 Series, Dual, 1.564 in. O.D., 513 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1386-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Springs, 1300 Series, Dual, 1.574 in. O.D., 550 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1395-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 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: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
DRAG SPRINGS
Part Number: ISK-1246
Not Yet Reviewed
Estimated Ship Date: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
Valve Springs, 1200 Series, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1226
Not Yet Reviewed
Estimated Ship Date: Sep 2, 2025 if ordered today
Estimated Ship Date: Sep 2, 2025 if ordered today
Valve Spring, 1300 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1326
Not Yet Reviewed
Estimated Ship Date: Sep 12, 2025 if ordered today
Estimated Ship Date: Sep 12, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, 1300 Series Circle Track, Dual, 1.564 in. O.D., 525 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1385-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98815
Not Yet Reviewed
Estimated Ship Date: Oct 2, 2025 if ordered today
Estimated Ship Date: Oct 2, 2025 if ordered today
Valve Spring, Dual, 1.550 OD
Part Number: HRS-98825-1
Not Yet Reviewed
Estimated Ship Date: Oct 2, 2025 if ordered today
Estimated Ship Date: Oct 2, 2025 if ordered today
Valve Springs, Single, 1.589 in. Outside Diameter, 731 lbs./in. Rate, 1.190 in. Coil Bind Height, Each
Part Number: CCA-26095-1
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.574 OD, .744 ID
Part Number: HRS-98884
Not Yet Reviewed
Estimated Ship Date: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 2025 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: Sep 15, 2025 if ordered today
Estimated Ship Date: Sep 15, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98816
Not Yet Reviewed
Estimated Ship Date: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 2025 if ordered today
Valve Springs, 1500 Series, Dual, 1.514 in. O.D., 483 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1561-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
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