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Valve Springs
Valve Springs, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1224-16
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
BUILD IT WITH SUMMIT!
Summit Racing™ Valve Springs SUM-174042D-16
BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224
Part Number: SUM-174042D-16
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Valve Springs, 1300 Series Drag Race, Standard Style, Dual, 1.500 in. O.D., 780 lbs./in. Spring Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1330-16
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Valve Springs, 1300 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1324-16
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, Replacement, Dual, 629 lbs./in. Spring Rate, Electroplate Polishing, Solid Roller, Set of 16
Part Number: AFR-8031-16
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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
Valve Springs, Dual, 1.625 in. Outside Diameter, 630 lbs./in. Rate, 1.090 in. Coil Bind Height, Set of 16
Part Number: CCA-996-16
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Valve Spring, Dual, 1.625 in. Outside Diameter, 1.100 in. Coil Bind Height, Each
Part Number: DRT-22000002
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1224
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Valve Springs, Replacement, Dual, 629 lbs./in. Spring Rate, Electroplate Polishing, Solid Roller, Each
Part Number: AFR-8031-1
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
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: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98816
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Springs, Valve Spring, Dual, 1.570 OD
Part Number: HRS-98826
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
1.500 OD 2.100 0.850 inch lift Dual Spring
Part Number: RSC-PAC-1330
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 1300 Series Drag Race Valve Springs PAC-1330-16
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026
SPRING
Part Number: MAN-221420-1
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
SBC or BBC 1.500 Dual Springs, Advanced S.R. .850 Max Lift @ 275 Lb. seat @ 2.050 Installed, 938 Lb. @ 1.200 Open, 1.130 C.B., 780 Rate, 144g PAC 1330
Part Number: SUM-174040DP-1
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224
Part Number: SUM-174042D-1
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
SBC or BBC 1.500 Dual Springs, Advanced S.R. .850 Max Lift @ 275 Lb. seat @ 2.050 Installed, 938 Lb. @ 1.200 Open, 1.130 C.B., 780 Rate, 144g PAC 1330
Part Number: SUM-174040DP-16
Not Yet Reviewed
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Estimated Ship Date: Monday 2/16/2026 if shipped by air
Valve Spring, Nex Tek, Dual, 1.500 in. Outside Diameter, 780 lbs/in., Set of 16
Part Number: MAN-221420-16
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Spring, Dual, 1.625
Part Number: HRS-98824-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
VALVE SPRINGS
Part Number: HRS-98824
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226
Part Number: SUM-174032D-1
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226
Part Number: SUM-174032D-16
Not Yet Reviewed
