CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engine Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

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

Part Number: HPE-SPE4271800

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 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 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

Edelbrock 416 C.I.D. Long Block Engine Assemblies for GM LS 46720

Edelbrock 416 C.I.D. Long Block Engine Assemblies for GM LS 46720

Crate Engine, GM LS 416 C.I.D., Long Block, Assembled, Internal Engine Balance, Aluminum Heads, Chevy, Each

Part Number: EDL-46720

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

Edelbrock 416 C.I.D. Long Block Engine Assemblies for GM LS 46725

Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, Long Block Only, Chevy, Each

Part Number: EDL-46725

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

Edelbrock 416 C.I.D. 602 HP Long Block Crate Engines for Carbureted GM LS 46726

Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, without Accessories, Chevy, Each

Part Number: EDL-46726

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

Edelbrock 416 C.I.D. 602 HP Long Block Crate Engines for Carbureted GM LS 46727

Crate Engine, GM LS3 Stroker, LS416, 602 HP, Victor Jr Carbureted, Assembled, with Accessories, Chevy, Each

Part Number: EDL-46727

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

Edelbrock 416 C.I.D. 602 HP Long Block Crate Engines for GM LS 46736

Crate Engine, Victor Jr, LS Chevy 416, ProFlo 4 EFI, Forged Internals, 602 HP and 538 ft/lbs TQ, Each.

Part Number: EDL-46736

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

Edelbrock 416 C.I.D. 602 HP Long Block Crate Engines for GM LS 46737

Crate Engine, Victor Jr, LS Chevy 416, ProFlo 4 EFI, Forged Internals, 602 HP and 538 ft/lbs TQ, With Accessories, Each.

Part Number: EDL-46737

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

Edelbrock 416 C.I.D. E-Force Supercharged Long Block Crate Engines for GM LS 46750

Crate Engine, GM LS 416 C.I.D., E-Force Supercharged, Long Block, Assembled, Aluminum Heads, Chevy, Each

Part Number: EDL-46750

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

Edelbrock 416 C.I.D. E-Force Supercharged Long Block Crate Engines for GM LS 46760

Crate Engine, GM LS 416 C.I.D., E-Force Supercharged, Long Block, Assembled, Aluminum Heads, Chevy, Each

Part Number: EDL-46760

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

Chevrolet Performance LS3 525 RLB 376/533 Racing Long Block Crate Engines 19435005

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

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today