Availability
Valve Springs
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
BUILD IT WITH SUMMIT!
LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335
Part Number: SUM-174013DP-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: MAN-221424-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1238X-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.550 in. Outside Diameter, 614 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16
Part Number: MAN-22440-16
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: Today
Estimated Ship Date: Today
Valve Springs, 0.800 in. Max Valve Lift, 1.300 in. O.D., 813 lbs./in., 1.800 Installed Height, Set of 16
Part Number: RSC-PAC-1335-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225
Part Number: SUM-174031D-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225
Part Number: SUM-174031D-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.545 in. Outside Diameter, 638 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Set of 16
Part Number: CCA-26944-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Valve Springs, PAC Racing, Triple, 1.645 in. Outside Diameter, 688 lbs./in. Rate, 1.130 in. Coil Bind, Set 16
Part Number: TFS-16946-16
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Nex Tek Valve Springs/ Titanium Retainers, Super Gas/Comp/Big Block Bracket, Kit
Part Number: MAN-261424
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Spring, NexTek, Dual, 1.640 in. O.D., 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Polished, Each
Part Number: MAN-221424P-1
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 467 lb/in., 0.790 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1340-16
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Each
Part Number: MAN-221424-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.640 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: HRS-98739
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Each
Part Number: RSC-PAC-1238X
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring, Dual, 1.550 in. Outside Diameter, 614 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: MAN-22440-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1246-16
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Today
Estimated Ship Date: Today
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: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster