CHEVROLET Engines & Components

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

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Estimated Ship Date: Oct 22, 2025 if ordered today

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

Part Number: HPE-SPE4271500

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Crate Engines, GM 502 515 HP Stage 1 Long Block, 8.2L/502, Assembled, External Balance, Cast Iron Cylinder Heads, Chevrolet, 7.4L, 8.2L, Each

Part Number: HPE-HP95

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Crate Engines, GM 415 LS3 Stroker 620 HP Stage 1 Long Block, 6.8L/415, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS02

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP45

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Crate Engine, GM 383 Stroker, Long Block, Complete, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107C

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• Core Charge $510.00
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Crate Engine, GM 383 Stroker, Long Block, Mid Dress, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107M

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• Core Charge $510.00
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Crate Engines, GM 383 Stroker 500 HP Stage 3 Long Block with EFI, 6.3L/383, Assembled, Aluminum Heads, FiTech EFI System, Chevy, Small Block, Each

Part Number: HPE-HP55C-EFI

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $510.00
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Crate Engine, GM 496 Stroker 600 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Chevy, 7.4L, 8.1L, Each

Part Number: HPE-HP631PC

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $600.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each

Part Number: HPE-SP39-G4-B

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
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Crate Engines, GM 496 Stroker 600 HP Stage 1 Long Block, 8.1L/496, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, 7.4L, 8.1L, Each

Part Number: HPE-HP631P

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $600.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4-B

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
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Crate Engines, GM 496 Stroker 600 HP Stage 2 Long Block, 8.1L/496, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, 7.4L, 8.1L, Each

Part Number: HPE-HP631PM

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Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $600.00
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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: Oct 22, 2025 if ordered today

• Core Charge $410.00
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Engine Assembly, Remanufactured, Crate Engine, Chevy, V8, 5.3L, 323, RPO Code LH6 or LC9, Each

Part Number: NAL-19209698

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• Core Charge $2,500.00
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Short Block Engines, 454 C.I.D. Short Block, Forged Crankshaft, Flat Top Pistons, 4 Bolt, Includes Oil Pan, Timing Cover, Flexplate, Balancer, Each

Part Number: NAL-19433375

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Crate Engines, 454 C.I.D. Long Block, Assembled, External Balance, Cast Iron Cylinder Heads, Chevrolet, 7.4L, Each

Part Number: NAL-19433409

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Crate Engine, DR525, Sealed, 6.2L, 525 HP, 489 ft.-lbs. of Torque, Aluminum Heads, Chevy, Small Block LS, Each

Part Number: NAL-19434600

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crate Engine, CT400, 404 HP, Cast Iron Block, Fast Burn, Aluminum Heads, Chevy, 5.7L, Each

Part Number: NAL-19434604

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crate Engines, Racing, 525RLB, LS3 Heads, LS-Based, 533 HP/477 TQ, with Anti-Tampering Seals, 58x, Chevy, 6.2L, Each

Part Number: NAL-19435005

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crate Engine, L8T, Gen V, 6.6L, 401hp, 464tq, Each

Part Number: NAL-19433748

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crate Engine, LT4 Supercharged, E-ROD, 650 hp/ 650 lbs/ft. Torque, Wet Sump, Aluminum Block/Heads, Chevy, Each

Part Number: NAL-19433872

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Estimated Ship Date: Nov 3, 2025 if ordered today

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14" Classic Crate Engine, LS3 495 HP, painted orange with cast finish BB Chevy Valve Covers

Part Number: LSS-GMLS9023

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Estimated Ship Date: Aug 11, 2025 if ordered today

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14" Classic Crate Engine, LS3 495 HP, painted orange with cast finish 409 Valve Covers

Part Number: LSS-GMLS9024

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Tri-Power Crate Engine, LS3 495 HP, painted orange with cast finish BB Chevy Valve Covers

Part Number: LSS-GMLS9025

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Estimated Ship Date: Aug 11, 2025 if ordered today

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