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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: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
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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-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Valve Springs, PAC Racing, Dual, 1.300 in. Outside Diameter, 392 lbs./in. Rate, 1.065 in. Coil Bind, Set of 16
Part Number: TFS-16905-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainers and Locks, Valve Stem Seals, Chevrolet, Small Block LS, Kit
Part Number: BTC-SK427
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Valve Spring Kit, Dual Springs, Titanium Retainers, Seals, Kit
Part Number: CCA-26921-KIT
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Valve Springs, Dual, 1.300 in. Outside Diameter, 408 lbs./in. Rate, 1.040 in. Coil Bind Height, Set of 16
Part Number: CCA-26921-16
Not Yet Reviewed
Estimated Ship Date: Dec 17, 2025 if ordered today
Estimated Ship Date: Dec 17, 2025 if ordered today
Valve Spring, 1200 Series, Dual, 1.300 in. Outside Diameter, 408 lb/in., 0.655 in. Inside Diameter, Each
Part Number: RSC-PAC-1221
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
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: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Valve Spring, Dual, 1.300 in. Outside Diameter, 408 lbs./in. Rate, 1.040 in. Coil Bind Height, Each
Part Number: CCA-26921-1
Not Yet Reviewed
Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
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