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Valve Spring Upgrade Kit, 1.300 OD Dual Springs, Retainers/Locks, Seals, All GM LS LS1, LS2, LS3, LS7, LSA, LS9, LQ4, LQ9, L92, L76, LY6
Part Number: SME-174003
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
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, 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 Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.375 in. Dia. Valve Stem, Retainers, 10-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K32
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Sure Seat, Standard Style, Dual, 1.460 in. O.D., 1.150 in. Coil Bind Height, 1.060 in. I.D., 465 lbs. Rate, Set of 16
Part Number: EDL-5845
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.344 in. Dia. Valve Stem, Retainers, 7-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K11
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, PAC Racing, Dual, 1.555 in. Outside Diameter, 469 lbs./in. Rate, 1.150 in. Coil Bind, Set of 16
Part Number: TFS-16935-16
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, Hydraulic Roller, 1.514 in. O.D., 348 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98512
Not Yet Reviewed
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, Dual, 1.540 in. Outside Diameter, 380 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98634
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.625 in. Outside Diameter, 593 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98737
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.539 in. Outside Diameter, 510 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98630
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.514 in. Outside Diameter, 1.150 in. Coil Height, Set of 16
Part Number: HRS-98636
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, Dual, 1.540 in. Outside Diameter, 486 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98633
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.344 in. Dia. Valve Stem, Retainers, 10-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: MAN-221425-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.440 in. Outside Diameter, 286 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98443
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, 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, 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, Dual Springs, 416 lbs./in., Damper Included, Each
Part Number: WRL-PBM3425
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.625 in. Outside Diameter, 593 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98745
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.570 OD
Part Number: HRS-98826
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
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