Valve Springs - 1.300 in. Outside Diameter of Outer Spring (in.) - No Damper Spring Included - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Dual Valve Spring Upgrade Kits for GM LS SME-174003

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

4.19 out of 5 stars ( 16 )

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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-16

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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

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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

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Valve Spring Kit, Dual Springs, Titanium Retainers, Seals, Kit

Part Number: CCA-26921-KIT

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Valve Springs, Valve Spring, Dual, 1.300

Part Number: HRS-98335

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today