CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C-20

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Rocker Arm Kit, Includes 3/8 in. Studs, Nuts, 1.8 Ratio Full Roller Rockers, Guide Plates, Chevy, 5.7L, Kit

Part Number: CCA-16755-KIT

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Pistons, Red Series, Forged Aluminum, 3.780 Bore, -4.20cc Flat, 3.622 in. Stroke, 6.098 Rod, Chevy, LS, Set of 8

Part Number: WIS-RED0051X378

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 280/292, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8708-2-DLTI

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Pistons, Rings, SX-Series, Forged, 22.00cc Dish, 4.060 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1924-4060

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1820-4030

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston and Ring Kits, Premium, Forged Aluminum, 4.030 in. Bore, 3.622 in. Stroke, Flat Top, Chevy, LS, Set of 8

Part Number: UEM-IC551CKTS030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 283/297, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8711-1DT

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Piston and Ring Kit, Forged, 3.905 in. Bore, Chevy, Kit

Part Number: MLE-930217905

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 275/288, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8707-2-DLSTL

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Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Set of 16

Part Number: MAN-221422-16

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 275/283, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8706-2-BHV

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Serpentine Kit, Standard Ratio, Steel, Black, 508 Air conditioning Compressor, Aluminum Brackets, Chevy, Kit

Part Number: SUM-CSUMLS101

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Cam and Lifter kit, Stage 2 Pro LS Cam, Pro LS Turbo Cam. 226/230 Dur., .600/.575 Lift, 113+4 Lobe Sep. , 5.3, 5.7, 6.0, 6.2, LS1,2,6,3,LSX, Each

Part Number: SUM-K8706R1

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Pistons, SX-Series, Forged, 3.00cc Flat, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1830-4000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 280/292, Lift .600/.600, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8708-1

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Rocker Arms, Roller Fulcrum, Pedestal, 1.7 Ratio, Ductile Iron, Chevy, Small Block LS, Set of 16

Part Number: SME-K-143021

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Camshaft, Stage 2 Thumpr, Hydraulic Roller, 3-Bolt, 282/299 Advertised Duration, 1,800-6,600 rpm Range, Chevrolet, LS, Each

Part Number: CCA-54-703-11

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 269/285, Lift .607/.621, Chevy, Small Block, LS

Part Number: CCA-54-453-11

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Estimated Ship Date: Jan 16, 2026 if ordered today

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SUM-8727 Pro LS Truck Torkinator Level 1 Cam Kit, Dual Springs, Seals, 200/205 Dur., 113 +4, .550/.550 Lift, 3-Bolt, 4.8, 5.3, 6.0 , 6.2 Vortec Truck

Part Number: SUM-8727-1-DLSTL

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Valve Springs, 1200 Series, Single, Beehive, 1.290 in. O.D., Chromoly Steel Retainers, 7 degree Locks, Kit

Part Number: RSC-PAC-KS14

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Piston and Ring Kit, Forged, Dome, 4.155 in. Bore, Chevy, LS, Kit

Part Number: MLE-930229755

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Kit LS 5.3L, Dome, with LS1/2/6 style cathedral port heads, Set

Part Number: MLE-930219900

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, 5.7L, Kit

Part Number: CMB-08-0076

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Piston and Ring Kits, Premium, Forged Aluminum, 3.800 in. Bore, 3.622 in. Stroke, Dome, Chevy, LS, Set of 8

Part Number: UEM-IC548CKTS020

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Estimated Ship Date: Jan 2, 2026 if ordered today

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