CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR400656

Pro LS 4340 Piston and Rod Kit, 415 Cid., 4.065 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400656

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR3600512

Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600512

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Dura-Bond Standard Cam Bearings CH-25-3

Dura-Bond Standard Cam Bearings CH-25-3

CAM BEARING

Part Number: DUR-CH25-3

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Summit Racing™ Coated Forged Pistons SUM-17406C

Pistons, Forged Aluminum, Flat, 4.000 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Holley LS Valve Cover Bolt Kits 561-133

Valve Cover Fasteners, Holley EFI, Tall LS Valve Cover Bolts, Polished, Aluminum, Hex Head, 6mm x 1.0 Thread, Hardware Included, Chevy, 4.8-7.0L, Each

Part Number: HLY-561-133

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Hastings Premium Ductile Ring Sets 2M5170S020

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Each

Part Number: HSN-2M5170S020

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Manley Extreme Duty Series Stainless Steel Valves 11685-8

Valves, Exhaust, Extreme Duty Series, Stainless, 1.590 in. Diameter, 0.314 in. Stem, Chevy, 6.2L, Set of 8

Part Number: MAN-11685-8

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Moroso Racing Oil Pumps 22121

Oil Pump, High-Volume, Standard-Pressure, Chevy, LS, Each

Part Number: MOR-22121

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

D.S.S. SX-Series Forged Piston and Ring Kits K1830-4065

Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.065 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1830-4065

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

D.S.S. SX-Series Forged Piston and Ring Kits K1920-4030

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

Part Number: DMS-K1920-4030

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K1830-4070

Pistons, Rings, SX-Series, Forged, 3.00cc Flat, 4.070 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1830-4070

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

BTR Engine Coolant Plugs BTRPLUGKIT

Engine Expansion Plugs, Bare Block Plug Kit, Includes Plugs for Large and Small Coolant, Plug Core, and Oil Galley, Chevy, LS Kit

Part Number: BTC-BTRPLUGKIT

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Improved Racing Batwing Oil Pan Crank Scrapers for 1997-2004 CORVETTE - EGM-342

Crank scraper for C5 oil pan. 4.000" stroke LS engines, I-Beam or Callies Compstar H-Beam rods, OEM main studs

Part Number: IRP-EGM-342

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

COMP Cams Camshaft Thrust Plates 5463-KIT

Camshaft Thrust Plate, Bronze, Buick, Cadillac, Chevy, Pontiac, Kit

Part Number: CCA-5463-KIT

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Mahle Original Aftermarket Replacement Pistons 224-3888-0.50MM

Piston - GM 6.2L L9H/ L92 07-09 (0.50MM)

Part Number: MAH-2243888050MM

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Melling Oil Pump Screen Assemblies for 1997-2013 CORVETTE, 2001-2004 II - 303S

Oil Pickup, Bolt-In, Stock Pan Style, 0.719 in. Tube Diameter, Chevy, Small Block, Each

Part Number: MEL-303S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Dura-Bond Engine Hardware Finishing Kits FKC-7B

Engine Hardware Kits, Engine Hardware Finishing Kits, Cylinder Head Dowels, Cam Thrust Plate Bolts, Woodruff Keys, Chevrolet, Small Block LS, Kit

Part Number: DUR-FKC-7B

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Silv-O-Lite Hypereutectic Pistons 3518HC.STD

Pistons, Hypereutectic, Dish, 101.6mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3518HC-STD

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Milodon Windage Trays 32150

Windage Tray, Steel, Gold Iridite, Louvered, Center Sump, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: MIL-32150

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Trick Flow® by PAC Racing Dual Valve Springs TFS-16905-16

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

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

ICON Premium Forged Piston and Ring Kits IC545CKTS.010

Piston and Ring Kits, Premium, Forged Aluminum, 3.790 in. Bore, 3.622 in. Stroke, Flat Top, Chevy, LS, Set of 8

Part Number: UEM-IC545CKTS010

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Trick Flow® Valve Cover Spacers TFS-3060800

Valve Cover Spacers, Aluminum, Natural, Height is 0.500 in., Gaskets, Longer Bolts, Chevy, LS1, Pair

Part Number: TFS-3060800

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

ICON Premium Forged Piston and Ring Kits IC545CKTS.020

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

Part Number: UEM-IC545CKTS020

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

ARP Valve Cover Bolt Kits 400-7529

Valve Cover Bolts, Stainless Steel, Polished, Hex Head, 6mm Thread, Chevy, Small Block LS, Set of 8

Part Number: ARP-400-7529

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Mahle Original OE Replacement Single Piston and Ring Kits 224-3887WR-0.75MM

Piston With Rings, Hypereutectic, Flat Top, 4.8L, 5.3L, Set of 8

Part Number: MAH-2243887WR075

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today