ATK High Performance Engines Engine Assemblies

Chevy LM-7/LS 347CI Short Block +3.2cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP75

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $285.00
• Free Shipping

CHEV 6.0 PERF 500+HP 01-07

Part Number: HPE-HP109

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 7, 2025 if ordered today

• Core Charge $560.00
• Drop Ship
• Free Shipping
• Special Order

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: Today

• Core Charge $550.00
• Free Shipping

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: Today

• Core Charge $260.00
• Free Shipping

CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP97

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Today

• Core Charge $285.00
• Free Shipping

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

Part Number: HPE-SP19-F

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Core Charge $410.00
• Free Shipping

Crate Engine, GM 350, Stage 3, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291PC

3.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Core Charge $510.00
• Free Shipping

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

Part Number: HPE-HP100C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $550.00
• Free Shipping

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: Today

• Core Charge $285.00
• Free Shipping

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: Today

• Core Charge $550.00
• Free Shipping

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: Today

• Core Charge $510.00
• Free Shipping

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: Today

• Core Charge $550.00
• Free Shipping

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

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Core Charge $460.00
• Free Shipping

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: Today

• Core Charge $410.00
• Free Shipping

Engine Assembly, Crate Engine, Short Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Core Charge $510.00
• Free Shipping

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: Today

• Core Charge $650.00
• Freight Charge

FORD 302 64-86 TRUCK DROPIN

Part Number: HPE-HP99FT

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Core Charge $550.00
• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Stage 3 Crate Engine, Long Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-HP42C

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 1 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L

Part Number: HPE-HP46-MAG

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $260.00
• Free Shipping

Engine Assembly, Short Block, 24 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP109

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Core Charge $175.00
• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HPE-SP52NB

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Stage 3 Crate Engine, Long Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each

Part Number: HPE-HP19C

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Core Charge $650.00
• Free Shipping

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block Windsor, 408, Each

Part Number: HPE-HP81C

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $550.00
• Free Shipping

Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L

Part Number: HPE-HP46C-MAG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $260.00
• Free Shipping