ATK High Performance Engines Parts and Accessories

Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each

Part Number: HPE-13ZB

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Estimated Ship Date: Today

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

Part Number: HPE-HP79C

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

Jeep 3.8L Nodular Iron Crankshaft 1991-2011

Part Number: HPE-B842310N

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Estimated Ship Date: Today

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Crate Engine, Ford 502 515 HP Stage 3 Long Block, Assembled, Hydraulic Flat Tappet, Internal Balance, Aluminum Heads, Ford, Big Block 385 Series, Each

Part Number: HPE-HP102C

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Estimated Ship Date: Today

• Core Charge $650.00
• Free Shipping

Engine Assembly, Stage 1 Crate Engine, Long Block, 2-Piece Main Seal, Ford, Big Block 385, 460, Each

Part Number: HPE-HP19

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Estimated Ship Date: Jan 23, 2026 if ordered today

• Core Charge $610.00
• Free Shipping
• 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

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Estimated Ship Date: Today

• Core Charge $550.00
• Free Shipping

Crate Engine, GM 383 Stroker Stage 3 with EFI, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94C-EFI

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Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36M

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

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

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Core Charge $460.00
• Free Shipping

Cylinder Head, 205cc SBF, Aluminum, 58cc Chamber, 203cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Ford, Each

Part Number: HPE-HPSBF205

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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

Part Number: HPE-HP06

3.75 out of 5 stars ( 4 )

Estimated Ship Date: May 18, 2026 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

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Estimated Ship Date: Today

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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

Crate Engines, GM 408 LQ4 Stroker 600 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS01

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Estimated Ship Date: Feb 20, 2026 if ordered today

• Core Charge $560.00
• Drop Ship
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Engine Assembly, Short Block, Big Block, 10.3L/632, 4.600 in. Bore, 4.750 in. Stroke, Forged Pistons, Flat Top, Chevy, Big Block Mark IV, Each

Part Number: HPE-SP108

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: HPE-HP107

Not Yet Reviewed

• Core Charge $510.00
• Free Shipping
• Special Order

HP ENGINE

Part Number: HPE-SP100

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP104

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC315

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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

Part Number: HPE-HP08C

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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

Crate Engine, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Engine Long Block, Chev 383 Stroker Marine HP Engine

Part Number: HPE-HP105

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each

Part Number: HPE-HP55M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

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

Part Number: HPE-HP78M

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

Crate Engine, GM 383 Stroker Stage 3, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94C

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order