Crate Engines, Short Blocks, Engine & Transmission Combos

ATK High Performance Chevy LS 408 Short Blocks SP26-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP26-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP31-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP31-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP36

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP37-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP39

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP39-G4-B

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

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP40-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy Gen V 489/496 Short Blocks SP41-1P

Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Forged Crankshaft, +20cc Dome Pistons, Each

Part Number: HPE-SP41-1P

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy 598 Dart Race Series Short Blocks SP45

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

Part Number: HPE-SP45

Not Yet Reviewed

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ATK High Performance Chevy LS3 415 Short Blocks SP67

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Blocks SP68

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Blocks SP69

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

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ATK High Performance Chevy LS3 415 Short Blocks SP70

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Blocks SP71

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP71

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Blocks SP71-B

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

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ATK High Performance Chevy LS3 415 Short Blocks SP72

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

ATK High Performance Chevy LS3 415 Short Blocks SP74

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Mopar Replacement Short Block Engines 68450913AA

ENGINE, LONG BLOCK, 2013-2019

Part Number: MOP-68450913AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68411230AA

ENGINE, LONG BLOCK, 2014-2024

Part Number: MOP-68411230AA

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Mopar Replacement Short Block Engines 68225377AA

ENGINE, LONG BLOCK, 2012-2018

Part Number: MOP-68225377AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68268769AA

ENGINE, LONG BLOCK, 2015-2018

Part Number: MOP-68268769AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68268745AA

ENGINE, LONG BLOCK, 2012-2018

Part Number: MOP-68268745AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68361456AA

ENGINE, LONG BLOCK, 2016-2022

Part Number: MOP-68361456AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68410662AA

ENGINE, LONG BLOCK, 2015-2017

Part Number: MOP-68410662AA

Not Yet Reviewed

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Chevrolet Performance Crate Engines 19420611

6.2L REMAN ENGINE

Part Number: NAL-19420611

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today