ATK High Performance Engines Parts and Accessories

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

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Estimated Ship Date: Today

• Core Charge $285.00
• Free Shipping

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: Today

• Core Charge $510.00
• Free Shipping

Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP08

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Estimated Ship Date: Feb 20, 2026 if ordered today

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

Cylinder Head, 255cc, Intake Runner, 69 cc Combustion Chamber Volume, Assembled, 2.160 Intake Valve Diameter, Angled Plug, LS, Chevy Each.

Part Number: HPE-2CT13S1

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Estimated Ship Date: Today

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Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Small Block, 427, Each

Part Number: HPE-SP48

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Feb 20, 2026 if ordered today

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

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: Feb 19, 2026 if ordered today

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

Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each

Part Number: HPE-SP26

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Core Charge $410.00
• Drop Ship
• Free Shipping
• Special Order

Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +5cc Flat Top Pistons, Each

Part Number: HPE-SP53

3.33 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

Cylinder Head, SBC, Aluminum, 66cc Chamber, 219cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Chevy, Each

Part Number: HPE-HPSBC220

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Stage 2 Crate Engine, Long Block, Left Side Water Pump Inlet, Ford, Small Block, 302, Each

Part Number: HPE-HP06M

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Estimated Ship Date: Today

• Core Charge $550.00
• 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

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

Part Number: HPE-HP291PC

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Core Charge $510.00
• Free Shipping

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP89M

4.0 out of 5 stars ( 1 )

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

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: Today

• Core Charge $510.00
• 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

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

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, 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

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: Today

• Core Charge $410.00
• Free Shipping

CHEV 6.0 PERF 500+HP 01-07

Part Number: HPE-HP109

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $560.00
• Free Shipping

CRATE ENGINE, Mopar 360 Mag 350+HP

Part Number: HPE-HP113

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $370.00
• Free Shipping

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