ATK High Performance Engines Engine Assemblies

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: Sep 18, 2025 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

LQ4 364CI 550HP L/B

Part Number: HPE-LQ4-LB-2

Not Yet Reviewed

• Core Charge $575.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP31-G4

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $410.00
• 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: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP35NB

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 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: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP36-G4

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 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: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP39

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $370.00
• Free Shipping
• Special Order

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: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: Sep 18, 2025 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: Sep 18, 2025 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, Ford 502 545 HP Stage 3 Long Block, 8.2L/502, Assembled, Internal Balance, Aluminum Cylinder Heads, EFI, Ford, Big Block, Each

Part Number: HPE-HP19C-EFI

Not Yet Reviewed

• Core Charge $650.00
• Free Shipping
• Special Order

Crate Engine, Long Block, Aluminum Heads, Cast Iron Block, VVT Lock Out, Tuner, Ford Modular, 5.4L/330, Each

Part Number: HPE-HPDFDA

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Core Charge $620.00
• Free Shipping
• Special Order

Crate Engine, Long Block, Aluminum Heads, Cast Iron Block, VVT Lock Out, Tuner, Ford Modular, 5.4L/330, Each

Part Number: HPE-HPDFDN

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Core Charge $620.00
• Free Shipping
• Special Order

Crate Engine, Long Block, Aluminum Heads, Cast Iron Block, VVT Lock Out, Tuner, Ford Modular, 5.4L/330, Each

Part Number: HPE-HPDFDW

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Core Charge $620.00
• Free Shipping
• Special Order

Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each

Part Number: HPE-HP291PM

3.4 out of 5 stars ( 10 )

Estimated Ship Date: Oct 6, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP06C

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

FORD 502 515HP Fitech EFI COMP/DYNO

Part Number: HPE-HP102C-EFI

Not Yet Reviewed

• Core Charge $650.00
• Free Shipping
• Special Order