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

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each

Part Number: NAL-19417351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

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Estimated Ship Date: Dec 29, 2025 if ordered today

• Core Charge $410.00
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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, A/C, Water Pump, Power Steering, SFI Damper, Polished Finish, Chevy, 4.8-6.2, Kit

Part Number: HLY-20-180P

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Power Steering, SFI Damper, Hardware, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-181BK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy LSX, Kit

Part Number: AAY-FDS-LSX-201E

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Air Conditioning, Chevy LS, Kit

Part Number: AAY-FDS-LS-101-E

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Polished, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186P

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Chevy LS, Kit

Part Number: AAY-FDS-LS-103

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, Kit

Part Number: HLY-20-162P

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chevy LSA, Kit

Part Number: AAY-FDS-LSA-301

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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

Part Number: HLY-20-136BK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, Internal Engine Balance, 3.622 in. Stroke, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SCA-4LS136262

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pulleys, Chevy LS Series, Serpentine, Performance Ratio, Billet Aluminum, Black, Water Pump, Alternator, No Power Steering, No Air Conditioning, Kit

Part Number: MCH-20080-08

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APP-31V-AS

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Estimated Ship Date: Today

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ROTATING ASSEMBLY

Part Number: ESP-129364070

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637904075

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ROTATING ASSEMBLY

Part Number: ESP-B627144005

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Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ4-LB-1

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Estimated Ship Date: Today

• Core Charge $560.00
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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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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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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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Engine 427 c.i. GM LS Style Proseries Iron Block, Fabbed Alum Intake, E Controls

Part Number: MLL-PSLS4275CTF

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Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Std Deck, 4 Head Bolt, 4.065 in. Bore, GenIII/IV LS Chevrolet, Each

Part Number: SUM-150215

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