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

Chevrolet Performance LSX Bowtie Engine Blocks 19417352

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each

Part Number: NAL-19417352

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

ATI Harmonic Damper Hardware ATI951503

Harmonic Balancer Bolts, 12-point, Steel, Black Oxide, Sealant, Cadillac, Chevy, Pontiac, 5.7L LS, 6.0L LS, Kit

Part Number: ATI-951503

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Summit Racing™ Race Series Rod Bearing Sets SUM-663H009

Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance for .010 undersize, set

Part Number: SUM-663H009

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

Summit Racing™ Pro LS Forged Pistons SUM-299S274000-2

Summit Racing™ Pro LS Forged Pistons SUM-299S274000-2

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274000-2

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Lisle Manifold Drill Templates 71400

Manifold Drill Template, Aluminum, Chevy, Kit

Part Number: LIL-71400

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

ACDelco Gold Idler Pulleys 88909589

Idler Pulley, Replacement, Serpentine, 6-groove, Steel, Black, Cadillac, Chevy, Ford, GMC, Mazda, Mercury

Part Number: ADO-38008

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

Mahle LSX Combo PowerPak Piston and Ring Kits 930227910

Piston and Ring Kit, Powerpak, Flat Top, 4.010 in. Bore, 4.00 in. Stroke, Forged Aluminum, Chevy, LS, Set of 8

Part Number: MLE-930227910

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

Sealed Power Performance Piston Ring Sets E-937K .25MM

Piston Rings, Steel, 3.789 in. Bore, 1.5 mm., 1.5 mm., 3.0 mm., Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K25MM

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Champ Pans LS1 Oil Filter Adapters LS1001

Oil Filter Adapter, Spin-On Adapter, Billet Aluminum, Natural, Each

Part Number: CHP-LS1001

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 Pistons 1823-4030

Pistons, SX-Series, Forged, 15.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1823-4030

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Cloyes Timing Crankshaft Sprockets S827

Timing Gear, Crankshaft Sprocket, 22-tooth, Steel, Chevy, Each

Part Number: CLO-S827

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Wiseco Professional Series Piston Kits K398X3

Piston and Ring, Forged, Flat, 4.030 in. Bore, Chevy, Kit

Part Number: WIS-K398X3

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

Speed-Pro Hypereutectic Pistons H1127CPA

Pistons, Hypereutectic, Dish, 96mm Bore, Chevrolet, 5.3L, Set of 8

Part Number: SLP-H1127CPA

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Summit Racing™ Pro LS Forged Pistons SUM-2999273898-3

Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273898-3

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

Chevrolet Performance Oil Cooler Delete Plates for 1997-2004 CORVETTE - 12551587

Oil Cooler Delete Plate, Aluminum, Natural, Chevy, LS, 5.7L, Each

Part Number: NAL-12551587

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

King SI-Series Main Bearings MB5293SI 020

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI020

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Holley LS Valley Covers 241-262

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Black Anodized, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-262

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Mahle PowerPak Piston and Ring Kits 930221530

Piston and Ring Kit, Forged, 4.130 in. Bore, Chevy, Kit

Part Number: MLE-930221530

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

COMP Cams Ultra Pro Magnum Rocker Arms 1677-16

Rocker Arms, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Pedestal Mounting, Chevy, Set of 16

Part Number: CCA-1677-16

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

COMP Cams Sportsman Solid Roller Lifters 96956-16

Lifter, Sportsman, Mechanical Roller, Vertical Link, 0.842 in. Diameter, w/ Bearing, Seat Height 2.210 in., GEN III/IV LS, Chevy, Set of 16

Part Number: CCA-96956-16

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

Chevrolet Performance Front Cover Bolts 11515758

Bolt, Oil Pan, Front Cover, Oil Pump, Hex-Head, Steel, Natural, Chevy, LS, Each

Part Number: NAL-11515758

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

Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8707-1DS

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

Part Number: SUM-8707-1DS

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 3520HC.75MM

Pistons, Hypereutectic, Flat, 96.76mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3520HC-75MM

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025

ICT Billet Engine Block Drill Templates 551445

Engine Block Drill Template, Billet Aluminum, Natural, Alternator Mounting, Chevy, Each

Part Number: ICB-551445

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

Hastings Premium Ductile Ring Sets 2M5292S020

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.085 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 2.5mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M5292S020

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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Estimated Ship Date: Friday 12/26/2025