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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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

• Free Shipping

Cylinder Head Studs, Pro Series, 12-Point Head, M11 and M8, 5 1/8 in. and 2 1/2 in. Lengths, 8740 Material, Chevy, 4.8, 5.3, 5.7, 6.0L, LS, Kit

Part Number: ARP-234-4317

4.57 out of 5 stars ( 42 )

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

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Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, 8740 Chromoly Material, 180,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4316

4.86 out of 5 stars ( 22 )

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

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Cylinder Head Bolts, Chevy LS 4.8, 5.3, 5.7, 6.0L, 1 Cylinder Head, Kit

Part Number: FEL-ES72173

4.17 out of 5 stars ( 23 )

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

Cylinder Head Studs, Pro Series, Hex Head, Pre-2004 Design with Different Bolt Lengths, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-234-4110

4.94 out of 5 stars ( 16 )

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

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Cam Bolt, High Performance, Chromoly, Hex Head, m8 x 1.25 mm, Chevy, LS Gen III, Set of 3

Part Number: ARP-134-1003

4.93 out of 5 stars ( 74 )

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

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3689

5.0 out of 5 stars ( 11 )

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

Timing Cover, Aluminum, Natural, Chevy, LS, Each

Part Number: ADO-12600326

5.0 out of 5 stars ( 3 )

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

• $20 Summit Bucks on $200 spent*

Cylinder Head Fasteners, 12-point Head Style, Stud, Black Oxide, Kit

Part Number: ARP-234-4346

5.0 out of 5 stars ( 4 )

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

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Rocker Arm Trunnion Bearing Installation/Removal Tool, Bench Mount, GM, LS1/LS3/LS7, Kit

Part Number: SME-906011

4.92 out of 5 stars ( 65 )

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

Timing Chain Dampener, Plastic, Black, Chevy, LS, Each

Part Number: BTC-BTR88670

4.5 out of 5 stars ( 8 )

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

Camshaft Installation Handle, Hex Design, Bolts Included, Chevy, V8/90 Degree V6,**Not for Gen.3/4 LS, Each

Part Number: SUM-900134

4.71 out of 5 stars ( 42 )

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

Head Stud, 12-point Nuts, ARP2000, 220,000 psi, Chevy, LS, 2003 and Older, Kit

Part Number: ARP-234-4344

4.71 out of 5 stars ( 7 )

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

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Timing Chain Dampener, Plastic, LS2/LS3, Wedge style, Non-VVT Engines, Each

Part Number: TFS-30675540

3.83 out of 5 stars ( 12 )

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

Gaskets, Intake Manifold, Chevy, Pair

Part Number: MAH-MS16340

5.0 out of 5 stars ( 13 )

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

Cylinder Head Studs, CA 625+ Series, 12-point, Custom Age 625, Black Oxide, 11mm Thread Size, Washers, Chevy, Kit

Part Number: ARP-234-4314

5.0 out of 5 stars ( 1 )

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

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Engine Timing Cover, 1-Piece, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, LS V8, Each

Part Number: RNB-635-515

Not Yet Reviewed

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

Camshaft Thrust Retainer and Thrust Plates, Solid Type, Steel, Four Bolts, Molded O-Ring, Chevrolet, Small Block LS, Each

Part Number: MRG-61220G

5.0 out of 5 stars ( 2 )

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

Exhaust Gaskets, Header, Graphite, Ford, Modular V8 2V, Pair

Part Number: BBK-1401

5.0 out of 5 stars ( 3 )

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

Head Gasket, 3.910 in. Bore, .051 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-051

4.5 out of 5 stars ( 2 )

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

Head Gasket, Multi-Layer Steel, MLS, 4.060 in. Bore, .051 in. Compressed Thickness, GM 6.0L LS2, Each

Part Number: TFS-30694060-051

5.0 out of 5 stars ( 1 )

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

Assembly Lube 1/3 ounce Package

Part Number: CLE-2800B5

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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• Special Order

Assembly Lubricant, Camshaft, 4 oz., Each

Part Number: CLE-CL400

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally if shipped by air

• Restricted

Head Gasket, 3.910 in. Bore, .045 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-045

Not Yet Reviewed

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