$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

Individual Parts

Results 26 - 50 of 2000 +

Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Exhaust Manifold, Stainless Steel, Natural, Turbo Manifold, T-4 Flange, Gen III/IV LS Series Engines, Passenger Side, Chevy, Each

Part Number: SUM-G9300

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fuel Injectors, 60 lb/hr, Chevy, Ford, Pontiac, Set of 8

Part Number: DWK-18U0100608

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH60

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1506

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fuel Injectors, 90 lb/hr, Cadillac, Chevy, Pontiac, Set of 8

Part Number: DWK-16U0000908

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Pistons, Pro LS 2618 Forged, 4.030 bore, Flat top, 3.622 in. Stroke, 6.098 Rod, Set of 8

Part Number: SUM-3269454030-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Cam and Lifter kit, Stage 2, LS Truck Swap Cam, 218/227 112+2, .522/.524 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, Each

Part Number: SUM-K8701R1

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Alternators and Generators, S Series Billet Racing Alternators, 12 V, 170 amps, Black Anodized, Serpentine Pulley, Chevrolet, 6.0L, Each

Part Number: MEH-B13969170B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 12 in. Fans, Chevy, Pontiac, LS Swap, Kit

Part Number: RAD-CHC547ASK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Connecting Rods, Performance, I-beam Style, Forged 4340 Steel, 6.125 in. Length Center To Center, Chevy GM, LS/LSX, Gen III/IV, Set of 8

Part Number: SUM-LS6125927I

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Set of 8

Part Number: MSD-82648

4.41 out of 5 stars ( 56 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Alternators and Generators, S Series Billet Racing Alternators, 12 V, 240 amps, Black Anodized, Serpentine Pulley, Chevrolet, 6.0L, 6.2L, 7.0L, Each

Part Number: MEH-B13969240B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Headers, Long Tube, Steel, Coated, 1 3/4 in. Primary, 3 in. Collector, Chevy, GMC, LS Swap, Pair

Part Number: SCH-1302LS1-C

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Radiator, Aluminum Radiator Module, Right Side Inlet/Outlet, Dual 12 in. Electric Fans, Aluminum Shroud, Buick, Chevy, Olds, Pontiac, LS Swap, Kit

Part Number: RAD-GMG544-5K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

HP Tuner, MPVI3, Pro Feature Set, 8 Universal Credits, Kit

Part Number: HPT-M03-000-08

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Electric Fan, Upgrade, Dual, 3,200 cfm, Black Plastic Blades, Aluminum Shroud, Puller, Chevy, 5.7L, 6.0L, Each

Part Number: DWR-SP015

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Pro LS 2618 Forged Piston, 4.030 bore, 1.110 C.H., 20cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8

Part Number: SUM-110927403020

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Wiring Harnesses, Holley EFI, Replacement, LS1/6, 24X/1X Main Harness, Mass Airflow Metered, for HP, Dominator, EFI Systems Only, Chevy, 5.7L, Each

Part Number: HLY-558-102

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Radiator, Performance, Crossflow, Aluminum, Polished, 2-row, Dual Fan, Aluminum Shroud, Chevrolet, GMC, LS Engine Swap, Kit

Part Number: RAD-GMT556A21SSK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Oil Pan, Steel, Black Powdercoated, 7 qt., Chevy, LS Engine, Each

Part Number: MOR-20142

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 4.8/5.3/6.0L, Kit

Part Number: PRF-60221

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434030-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fuel Injectors, 65 lb/hr, Chevy, Pontiac, Set of 8

Part Number: DWK-16U0000658

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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