ATK High Performance Engines Engine Assemblies

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

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORD CRATE ENGINE W/EFI

Part Number: HPE-HP79C-EFI

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

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: Jun 4, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-HP107M

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
• Special Order

Engine Assembly, Stage 1 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-HP42

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

CRATE ENGINE, Chev 350 390HP Polished

Part Number: HPE-HP89CPOL

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
• Special Order

Crate Engines, GM LM7/LS1 347CI 500 HP Stage 1 Long Block, 5.7L/347, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-2

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

Crate Engines, GM LM7/LS1 383CI 515 Plus HP Stage 1 Long Block, 6.3L/383, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-3

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

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: May 19, 2026 if ordered today

• Core Charge $460.00
• Free Shipping
• Special Order

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: May 19, 2026 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP36

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: May 19, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: May 19, 2026 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

• Free Shipping
• Special Order

Chevy LM7 383CI Short Block +8cc Dished Pistons 24 Tooth

Part Number: HPE-SP77

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth

Part Number: HPE-SP79

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +11cc Dish Pistons, Each

Part Number: HPE-SP94-G4

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Crate Engines, GM 489 Stroker 565 HP Stage 3 Long Block, 8.0L/489, Assembled, Aluminum Heads, Carbureted, Chevrolet, 7.4L Big Block Gen V, Each

Part Number: HPE-HP411PC

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

Crate Engines, GM 489 Stroker 565 HP Stage 2 Long Block, 8.0L/489, Assembled, Intake Manifold, Aluminum Heads, Chevrolet, 7.4L Gen V, 8.0L Gen V, Each

Part Number: HPE-HP411PM

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order

Crate Engines, Ford 347 Stroker 410 HP Stage 3 Long Block with EFI, 5.7L/347, Assembled, External, 28 oz. Imbalance, Ford, Small Block Windsor, Each

Part Number: HPE-HP80C-EFI

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP80M

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

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

Not Yet Reviewed

• Free Shipping
• Special Order