Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit

Part Number: TFS-2500286P

3.56 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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

4.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number: TFS-2500287P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Steel Retainers, 392 lbs/in., Set of 16

Part Number: TFS-2500286

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Valvetrain Upgrade, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: SME-K-14300

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 392 lbs/in., Set of 16

Part Number: TFS-2500287

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2027 if ordered today

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