ATK High Performance Engines Engine Assemblies

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

Part Number: HPE-HP20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 28, 2026 if shipped by air

• Core Charge $550.00

Engine Assembly, Short Block, LQ9 6.0L, Hypereutectic Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP19-F

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Dec 21, 2026 if shipped by air

• Core Charge $410.00
• Freight Charge

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026

• Core Charge $410.00

Crate Engine, GM 350 Small Block Stage 3, 350 HP, Long Block, External/Internal Engine Balance, Vortec Heads, EFI, Each

Part Number: HPE-HP32C-EFI

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 6, 2026

• Core Charge $510.00

Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Oct 26, 2026 if shipped by air

• Core Charge $510.00

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 21, 2026 if shipped by air

• Core Charge $395.00
• Freight Charge

Engine Assembly, Short Block, LQ4, Chevy, Small Block LS, 364, Each

Part Number: HPE-SP19

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 25, 2027 if shipped by air

• Core Charge $410.00

Engine Assembly, Short Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each

Part Number: HPE-SP11

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Nov 18, 2026

• Core Charge $650.00
• Freight Charge

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 25, 2027 if ordered today

• Special Order

Chevy LS 408 Boosted/NOS Short Block 24 Tooth +18cc Dish

Part Number: HPE-SP38-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 30, 2026

• Core Charge $410.00

Engine Assembly, Stage 2 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP08M

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 27, 2026

• Core Charge $550.00

Crate Engine, Chrysler 360 Magnum Complete Long Block, Remanufactured, Cast Iron Block and Cylinder Heads, 9.3:1 Compression, Dodge, Jeep, 5.9L, Each

Part Number: HPE-HP113C

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if shipped by air

• Core Charge $590.00

Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Cylinder Heads, with MDS, Chrysler, Dodge, Jeep, 5.7L, Each

Part Number: HPE-HP103

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Jan 14, 2027

• Core Charge $460.00

Crate Engine, Ford 347 Stroker Stage 3, 450 HP, Long Block, External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP100C

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 11, 2027 if shipped by air

• Core Charge $550.00

Crate Engine, Chrysler 408 A Stroker, Short Block, Internal Balance, Mopar, Magnum, Each

Part Number: HPE-SP61

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 2, 2026

• Core Charge $260.00

Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if shipped by air

• Core Charge $285.00

Crate Engine, Long Block, TBI Stroker, 1-Piece Rear Main Seal, Hydraulic Roller, 9.5:1 Compression Ratio, Cast Iron, Chevy, 383, Truck, Each

Part Number: HPE-HP05

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 20, 2026

• Core Charge $510.00

Engine Assembly, Stage 1 Crate Engine, Marine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP90

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Dec 4, 2026

• Core Charge $510.00

Crate Engine, Ford 347 Stroker 450 HP Stage 2 Long Block, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each

Part Number: HPE-HP100M

Not Yet Reviewed

Estimated Ship Date: Jan 18, 2027 if shipped by air

• Core Charge $550.00

Crate Engine, Mid Dress Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each

Part Number: HPE-HP101M

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2026

• Core Charge $510.00

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP109

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 25, 2027 if shipped by air

• Core Charge $560.00

Crate Engine, Mopar 360 Small Block Stage 2, 320 HP, Long Block, External Engine Balance, Magnum Heads, Each

Part Number: HPE-HP73M

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

• Core Charge $260.00
• Special Order

Crate Engine, Ford 302 375 HP Stage 3 Long Block with EFI, Assembled, Hydraulic Roller Tappet, External Balance, Aluminum Heads, Ford, Windsor, Each

Part Number: HPE-HP78C-EFI

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2027

• Core Charge $550.00

Short Block Engine, Chevy LS 408 Short Block, Remanufactured, Assembled, Internal Balance, 9.240 in. Deck Height, Chevrolet, 6.7L, Each

Part Number: HPE-SP36-B

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

• Core Charge $410.00
• Special Order

Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Core Charge $260.00