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

Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

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Engine Drive System, Front Runner, Aluminum, Black, Chevy, LS, Kit

Part Number: VTA-174011

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: AAY-FDS-LS-251

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Estimated Ship Date: Oct 20, 2025 if ordered today

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

Part Number: MCH-20060

1.0 out of 5 stars ( 1 )

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

Part Number: HLY-20-190P

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Polished, Clear Powdercoated, Air Conditioning, Power Steering, Chevrolet, LS, Kit

Part Number: MCH-20035

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 18, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Forged Piston, Forged Crank, I-Beam Rods, Chevy, Small Block, LS2, Kit

Part Number: ESP-B627144030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: HLY-20-186

5.0 out of 5 stars ( 1 )

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

Part Number: HLY-20-162BK

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Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP75

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $285.00
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Accessory Drive Systems, LS Mid-Mount, Serpentine Style, Alternator, Water Pump, Power Steering, A/C, Hardware, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-180

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Accessory Drive Systems, LS Engine Swap, Serpentine, Black, Air Conditioning Pulley, Compressor, Tensioner, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-137BK

5.0 out of 5 stars ( 1 )

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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: Oct 24, 2025 if ordered today

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Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

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Accessory Drive Systems, Mid-Mount, Natural, Serpentine, 6-groove, GM Type 2, Sanden SD-7, Chevy, LSA/LS, Kit

Part Number: HLY-20-163

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APH-31V-AS

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Accessory Drive System, Black Powdercoated, With Power Steering/Air Conditioning, 180 Amp Alternator, Truck Belt Line, Kit

Part Number: LSS-GMLS5016B

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Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, A/C, Power Steering, GM, LS Series, Narrow, Kit

Part Number: MCH-20065

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 18, 2025 if ordered today

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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 24, 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 20, 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 20, 2025 if ordered today

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