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

Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 428 Small Block, Kit

Part Number: SCA-1-44406BI

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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, E Controls

Part Number: MLL-PSLS4275CTF

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ROTATING ASSEMBLY

Part Number: ESP-129364070

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ROTATING ASSEMBLY

Part Number: ESP-B627144005

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637904075

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Engine 376 c.i. LS Builder Series Iron Block Standard Edition, 4L65/70E Automatic Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS3763K4L7

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Pulley Set, Serpentine, Performance Ratio, Billet Aluminum, Black Powdercoated, No Air Conditioning, Power Steering, Chevrolet, LS, Kit

Part Number: MCH-19910-08

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

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Estimated Ship Date: Feb 18, 2026 if ordered today

• Core Charge $410.00
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Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

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Estimated Ship Date: Feb 18, 2026 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4

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Estimated Ship Date: Feb 18, 2026 if ordered today

• Core Charge $410.00
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Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth

Part Number: HPE-SP76

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Estimated Ship Date: Feb 18, 2026 if ordered today

• Core Charge $285.00
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Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, I Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271800

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Polished, Clear Powdercoated, Air Conditioning, No Power Steering, Chevrolet, LS, Kit

Part Number: MCH-20030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Set, Pro-Track, Serpentine, Aluminum, Air Conditioning, Black Powdercoat, Chevrolet, LS, Kit

Part Number: MCH-20030-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley/Bracket Set, Serpentine, Aluminum, Chrome, A/C, Power Steering, GM, LS Series, Wide Kit

Part Number: MCH-20060-06

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, A/C, No Power Steering, GM, LS Series, Narrow Kit

Part Number: MCH-20075

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140062

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140065

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 130 Amp Alternator, Natural, Kit

Part Number: HLY-20-136

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 12, 2025 if ordered today

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LT1 CAM and Head Kit

Part Number: NAL-19333525

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Cylinder Head, LSX-SC, As-Cast, 70cc Combustion Chamber, Bare, Aluminum, Natural, Chevy, Each

Part Number: NAL-19417408

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS9, Each

Part Number: ESP-442536226100

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, LS9, Each

Part Number: ESP-442540006100

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Estimated Ship Date: Dec 29, 2025 if ordered today

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