Engine Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ATK High Performance Engines Crate Engines LQ4-LB-2

LQ4 364CI 550HP L/B

Part Number: HPE-LQ4-LB-2

Not Yet Reviewed

...Loading

ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines LQ9-LB-1

Crate Engines, GM 365 LQ9 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ9-LB-1

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 1 Long Block Crate Engines LS02

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

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

ATK High Performance Chevy Gen V LT1 376 Short Blocks SP103

Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP31-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP38-G4-B

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

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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

...Loading

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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

Chevrolet Performance Crate Engines 19207557

MARINE 454

Part Number: NAL-19207557

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 1, 2025 if ordered today

Chevrolet Performance 5.3L 323 C.I.D. Remanufactured Long Block Crate Engines 19209698

Engine Assembly, Remanufactured, Crate Engine, Chevy, V8, 5.3L, 323, RPO Code LH6 or LC9, Each

Part Number: NAL-19209698

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19209701

ENGINE

Part Number: NAL-19209701

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19210837

CRATE ENGINE

Part Number: NAL-19210837

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19355347

CRATE ENGINE

Part Number: NAL-19355347

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19356403

LS6 ENGINE

Part Number: NAL-19356403

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19356404

LQ4 ENGINE

Part Number: NAL-19356404

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19356405

6.0L ENGINE LQ4

Part Number: NAL-19356405

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19177912

ENG REM

Part Number: NAL-19177912

Not Yet Reviewed

...Loading

Chevrolet Performance Crate Engines 19259135

ENGINE GM 2.4LTR 146 CID/ LM

Part Number: NAL-19259135

Not Yet Reviewed

...Loading