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

Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Black Powdercoated, Water Pump, Power Steering Pump, With A/C, Chevy, Kit

Part Number: MCH-20035-08

5.0 out of 5 stars ( 1 )

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Crate Engines, Pro Series Chevy LS 427 C.I.D. 625HP Carbureted Retrofit Long Block, Assembled, Internal Balance, Aluminum Heads, Chevy, 7.0L LS, Each

Part Number: MLL-PSLS4270CTC

3.0 out of 5 stars ( 2 )

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Crate Engine, LS Crate Motor, Base Long Block, LS3 Stroker Motor, 58x Gen 4 Drop In Replacement Crate Engine

Part Number: MLL-PSLS4271CT

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Post. Includes 24-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS24

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 7.0L, Each

Part Number: ESP-442741256100

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, -4cc Flat Top Pistons, Each

Part Number: HPE-SP32-G4-B

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Estimated Ship Date: Feb 13, 2026 if ordered today

• Core Charge $410.00
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Cylinder Heads, BR Series, CNC Ported Aluminum, Assembled, Chevy, Pontiac, LSX Engines, Pair

Part Number: BRO-1178100

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Estimated Ship Date: Dec 16, 2025 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: Feb 16, 2026 if ordered today

• Core Charge $410.00
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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.720 in Tall Deck, Semi Finished, Chevy, Each

Part Number: NAL-19417354

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Cylinder Heads, BR7 STS LS Compatible, Aluminum, Assembled, 72cc Chamber, 273cc Intake Runner, Chevy, Pair

Part Number: BRO-1178101

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Estimated Ship Date: Dec 10, 2025 if ordered today

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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: Dec 11, 2025 if ordered today

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Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

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Estimated Ship Date: Feb 13, 2026 if ordered today

• Core Charge $285.00
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Engine Block, Cast Iron, LS 4-bolt Mains, 4.000 in. Bore, Chevy LS, Small Block, Each

Part Number: DRT-31867111

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cylinder Head, Black Label, 62cc Combustion Chamber, Bare, 2.040 in. Intake Valve, 1.570 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600203

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Estimated Ship Date: Dec 19, 2025 if ordered today

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SERP SYS BLACK LS1/2/3/6 CHEVY TOP MNT WP/S & AC PREMIUM + 140A BLACK ALT

Part Number: BSP-BLK13450PBA

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Estimated Ship Date: Tomorrow if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 383 Small Block, Kit

Part Number: SCA-1-44000BI

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Estimated Ship Date: Jan 21, 2026 if ordered 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: Dec 9, 2025 if ordered today

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Pulley Kit,serpentine,Chevy LS ,Aluminum,AC,Power Steering-Aluminum Reservoir,170A alternator,Matte black

Part Number: EMS-MS118-60BMB

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-LS 415 4.000/4.070 -4cc F/

Part Number: MAN-29415R

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Estimated Ship Date: Jan 6, 2026 if ordered today

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KIT-LS 415 4.000/4.070 18cc DI

Part Number: MAN-28415R

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Engine Drive System, Front Runner, Aluminum, Black, Chevy, 7.0L, Kit

Part Number: VTA-174013

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 408 Small Block, Kit

Part Number: SCA-1-44304BI

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Pulley Kit, Tru Trac Serpentine System, Aluminum, Black, Chevy, Kit

Part Number: BSP-BLK13450P

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Estimated Ship Date: Tomorrow if ordered today

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Pulley Kit, Performance Ratio, Tru Trac Serpentine System, Aluminum, Polished, Chevy, 7.0L, LS7, Kit

Part Number: BSP-13465PA

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Estimated Ship Date: Tomorrow if ordered today

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Pulley Kit, Performance Ratio, Tru Trac Serpentine System, Aluminum, Polished, Chevy, Kit

Part Number: BSP-13450P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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