Short Block Engines at Summit Racing

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP32-G4-B

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

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP26

Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each

Part Number: HPE-SP26

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP26-G4

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

Part Number: HPE-SP26-G4

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP53NB

Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP53NB

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy Gen V 489/496 Short Blocks SP98

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

Part Number: HPE-SP98

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ATK High Performance Chevy LM7 383 Short Blocks SP80

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

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

ATK High Performance Chevy LM7 5.3L GEN IV Short Blocks SP115

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP105

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP105

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Dart Ford 427 C.I.D. Short Blocks SP112

Engine Assembly, Short Block, Assembled, Internal Balance, 1-Piece Rear Main Seal Style, Dart SHP Block, 427 C.I.D., Ford, Each

Part Number: HPE-SP112

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP37-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP37-G4

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

Part Number: HPE-SP37-G4

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP40

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chevy 540 Dart Race Series Short Blocks SP44

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

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Chrysler Gen III Hemi 392 Short Blocks SP97-B

Short Block, Chrysler Gen III 392, Internally Balanced, Nitrous/Boost, +2cc Flat Pistons, Each

Part Number: HPE-SP97-B

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

ATK High Performance Engines Short Block Engines SPE3881500

SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Mopar Replacement Short Block Engines 68439912AA

BLOCK, LONG BLOCK, 2019-2023

Part Number: MOP-68439912AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68440708AA

ENGINE, LONG BLOCK, 2019-2021

Part Number: MOP-68440708AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68440740AA

ENGINE, LONG BLOCK, 2019

Part Number: MOP-68440740AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68450911AA

ENGINE, LONG BLOCK, 2013-2019

Part Number: MOP-68450911AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68440333AA

ENGINE, LONG BLOCK, 2019-2023

Part Number: MOP-68440333AA

Not Yet Reviewed

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Mopar Replacement Short Block Engines 68504352AA

ENGINE, COMPLETE, 2019-2026

Part Number: MOP-68504352AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Mopar Replacement Short Block Engines 68540717AA

ENGINE, LONG BLOCK, 2016-2023

Part Number: MOP-68540717AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Mopar Replacement Short Block Engines 68540907AA

ENGINE, LONG BLOCK, 2017-2020

Part Number: MOP-68540907AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Mopar Replacement Short Block Engines 68534100AA

BLOCK, ENGINE CYLINDER, 2015-2022

Part Number: MOP-68534100AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today