Valve Seals, Positive Stop, Viton® Fluoroelastomer, 8mm Stem, 0.500 in. Guide, Set of 16, LS1 hat style with single spring locator

Part Number: SME-143008

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

Valve Locks, Stamped Steel, 7 Degree, 8mm Stem, 1-Groove, Commonly used with LS Gen III/IV and Gen. V LT stock retainers, Set of 32

Part Number: SME-143009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Oil Pump, Standard-Volume, Standard Pressure, Chevy LS, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: SUM-121170

4.7 out of 5 stars ( 61 )

Estimated Ship Date: Today

Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.35 out of 5 stars ( 72 )

Estimated Ship Date: Today

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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: Today

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing Style, Chevy, Small Block LS, Kit

Part Number: BTC-BTRTK001

4.36 out of 5 stars ( 67 )

Estimated Ship Date: Today

Cylinder Head Studs, ARP2000, 12-Point Nuts, Fastener Lube, Chevy, LS, 2004 and Later, Kit

Part Number: ARP-234-4345

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Head Bolts, High Performance Series, Hex Head, ARP 2000, Black Oxide, Same Length Bolts, Includes Washers and Lube, Chevy, LS, Kit

Part Number: ARP-234-3602

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Deactivation Delete Combo, 5.3L AFM DOD Delete, Head Bolts, Lifters/Trays, Non PCV Valley Cover, Head Gaskets, Chevy LS, Kit

Part Number: CMB-09-0030

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Lifter Guide, Hydraulic Roller Style, Plastic, Chevy, LS, Non AFM/DOD engines, Each

Part Number: SUM-150132

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Today

Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Chevy, LS, Set of 16

Part Number: SME-143002

4.69 out of 5 stars ( 62 )

Estimated Ship Date: Today

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Cylinder Head Fasteners, Bolt, M11 x 2.0, Hex Head, Steel, Black Oxide, Chevy, LS, Kit

Part Number: FEL-ES72220

4.07 out of 5 stars ( 14 )

Estimated Ship Date: Today

Lifters, Hydraulic Roller, Chevy LS7, Set of 16

Part Number: TFS-21400012-16

Not Yet Reviewed

Estimated Ship Date: Today

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Cylinder Head Fasteners, Original Head Bolt Kits, Hex, Steel, Natural, Flat Washers, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Kit

Part Number: MAH-GS33380

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Today

Head Gasket, 3.910 in. Bore, .040 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Variable Valve Timing Delete Combo, 3-bolt, Cam Sprocket, Timing Cover, Chevy, LS, Kit

Part Number: TFS-30678505

Not Yet Reviewed

Estimated Ship Date: Today

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VVT Delete Kit, Gen IV, Chevy, LS, Kit

Part Number: CXM-DK11001

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2027 if ordered today

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Lifters, Hydraulic Roller, Chevy, Small Block, Set of 16

Part Number: CRO-66330-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 7, 2026 if ordered today

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• Special Order