CHEVROLET ATK High Performance Engines Parts and Accessories

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP89C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 20, 2026 if ordered today

• Core Charge $510.00
• Free Shipping

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

Part Number: HPE-SP48

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Estimated Ship Date: Apr 8, 2026 if ordered today

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

Part Number: HPE-SP109

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Estimated Ship Date: Today

• Core Charge $175.00
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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: Apr 20, 2026 if ordered today

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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: Apr 6, 2026 if ordered today

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

Part Number: HPE-HP93C-EFI

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Core Charge $560.00
• Drop Ship
• Free Shipping
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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: Apr 24, 2026 if ordered today

• Core Charge $175.00
• Drop Ship
• Free Shipping
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Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

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Estimated Ship Date: Apr 14, 2026 if ordered today

• Core Charge $285.00
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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

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Estimated Ship Date: Apr 27, 2026 if ordered today

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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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Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish

Part Number: HPE-SP26-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 2, 2026 if ordered today

• Core Charge $410.00
• Free Shipping

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

Part Number: HPE-HP101C

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
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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

• Core Charge $285.00
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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 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: Mar 9, 2026 if ordered today

• Core Charge $510.00
• Free Shipping

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $410.00
• 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

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

Part Number: HPE-HP101M

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Estimated Ship Date: Today

• Core Charge $510.00
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Cylinder Head, 290cc BBC, Aluminum, 113cc Chamber, 294cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC290

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Crate Engines, GM 408 LQ4 550 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-408BOOSTLB

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

Part Number: HPE-HP33C

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Crate Engine, GM LQ4, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 6.0L, LS3 Heads, Each

Part Number: HPE-HP110

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Estimated Ship Date: Mar 3, 2026 if ordered today

• Core Charge $560.00
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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 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

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