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

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each

Part Number: HPE-SP39-G4

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Estimated Ship Date: Feb 2, 2026 if ordered today

• Core Charge $410.00
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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190024

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129194070

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 421 Small Block, Kit

Part Number: SCA-1-44605BI

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 3.625 in. Stroke, 6.098 in. Rod, Internal Balance, Chevy, LS7, 58X Reluctor, Long Snout, Each

Part Number: CPI-AWH31WMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 4.000 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS7, 58X Reluctor, Long Snout, Each

Part Number: CPI-AWO31WMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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

Part Number: CPI-LS03024-3

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Estimated Ship Date: Feb 6, 2026 if ordered today

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

Part Number: CPI-LS03058-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637904030

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Estimated Ship Date: Dec 11, 2025 if ordered today

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

Part Number: MCH-20060-08

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: MCH-20070-08

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pulley/Bracket Set, Serpentine, Billet Aluminum, Clear Powdercoated, GM, LS Series, Kit

Part Number: MCH-20050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Pulley/Bracket Set, Serpentine, Billet Aluminum, Black Powdercoated, GM, LS Series, Kit

Part Number: MCH-20050-08

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pulleys, Serpentine, Performance Ratio, High Mount, Billet Aluminum, Black Powdercoated, Power Steering, Chevrolet, LS, Kit

Part Number: MCH-19940-08

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pulley Kit,serpentine,Chevy LS,Aluminum,AC,Power steering-Aluminum Reservoir,170A,Clear coated

Part Number: EMS-MS117-90BCL

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Cylinder Heads, LSX Mongoose, Bare, Aluminum, 72cc Combustion Chamber, 230cc Intake, Chevy, 5.7L LS, Pair

Part Number: AFR-1640

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, LSX Mongoose, Bare, Aluminum, 65cc Combustion Chamber, 230cc Intake, Chevy, 5.7L LS, Pair

Part Number: AFR-1670

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Mongoose Strip, Assembled, 64cc Chambers, 215cc Intake Ports, CNC Ported, Chevy, Pair

Part Number: AFR-1530

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Mongoose Strip, Bare, 64cc Chambers, 215cc Intake, Port, CNC Ported, Chevy, LSX, Pair

Part Number: AFR-1531

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, LSX Mongoose, Bare, Aluminum, 62cc Combustion Chamber, 230cc Intake, Chevy, 5.7L LS, Pair

Part Number: AFR-1620

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Mongoose Strip, Aluminum, Bare, 65cc Chambers, 245cc Intake Ports, Chevy, LSX, Pair

Part Number: AFR-1681

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Mongoose Strip, Assembled, 73cc Chambers, 210cc Intake Ports, Chevy, LSX, Pair

Part Number: AFR-1690

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Mongoose Strip, Bare, 73cc Chambers, 245cc Intake Ports, Chevy, LSX, Pair

Part Number: AFR-1691

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, Aluminum, Assembled, 62cc Combustion Chamber, 230cc Intake, Chevy, Small Block, LS1, Pair

Part Number: AFR-1610

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 11, 2025 if ordered today

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Cylinder Heads, 210cc LSX Mongoose Street, Aluminum, Bare, 66cc Chamber, 185cc Intake, Chevrolet, LS, Pair

Part Number: AFR-1520

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Estimated Ship Date: Dec 11, 2025 if ordered today

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