ATK High Performance Engines Parts and Accessories

ATK High Performance Engines was founded in 1936 and continues to set new standards for remanufactured high performance engines. ATK was the first to offer a “new...

ATK High Performance Engines was founded in 1936 and continues to set new standards for remanufactured high performance engines. ATK was the first to offer a “new car” style warranty with its engines—an exclusive 24-month/unlimited mile warranty on every engine! And the company is dedicated to helping you set new standards on the street or track, too. ATK offers its GM, Ford, and Chrysler performance engines in three stages to help you achieve your specific performance goals. Shop Summit Racing for a full line of base, mid-level, and high performance ATK engines built with proven, high-quality components....

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Results 1 - 25 of 218

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines HP99C

Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each

Part Number: HPE-HP99C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines HP98

Crate Engine, Base Long Block, Cast Iron Heads, Hydraulic Roller Camshaft, Chevy, 350, Each

Part Number: HPE-HP98

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines HP291P

Crate Engine, GM 350, Stage 1, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP291P

4.07 out of 5 stars ( 14 )

Estimated Ship Date: Today

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ATK High Performance GM 350 390 HP Stage 1 Long Block Crate Engines HP89

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

Part Number: HPE-HP89

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

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

Part Number: HPE-HP32M

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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ATK High Performance Ford 302 Stock Drop-In Long Block Crate Engines HP99F

Crate Engine, Ford 302 Stock Drop In, Long Block, Assembled, External Balance, Cast Iron Cylinder Heads, Each

Part Number: HPE-HP99F

4.1 out of 5 stars ( 29 )

Estimated Ship Date: Today

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ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

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

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 315 HP Stage 1 Long Block Crate Engines HP74

Crate Engine, Vortec, GM 350, 315 HP, Long Block, Internal Front/External Rear Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HPE-HP74

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

Crate Engine, GM 383 Stroker Stage 1, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

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ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATK High Performance Ford 302 300 HP Stage 2 Long Block Crate Engines HP06M

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

Part Number: HPE-HP06M

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

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ATK High Performance Ford 302 Stock Drop-In Long Block Crate Engines HP99F

4 out of 5 stars ( 29 )

Estimated Ship Date: Today

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ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

Crate Engine, Mopar 360 Small Block Stage 1, 320 hp, 410 lbs.-ft. Torque, Long Block, Hydraulic Roller, External Engine Balance, Magnum Heads, Each

Part Number: HPE-HP73

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATK High Performance GM 350 TBI 290 HP Stage 1 Long Block Crate Engines HP31

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

Part Number: HPE-HP31

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

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

Part Number: HPE-HP32

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines HP291PC

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

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ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ATK High Performance Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engines HP73C

Crate Engine, Stage 3, Long Block, Assembled, External Engine Balance, Cast Iron Heads, Dodge, 5.9L, Each

Part Number: HPE-HP73C

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

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We recommend these similar substitute parts:

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines HP73

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines HP100C

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

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ATK High Performance GM 350 Vortec 350 HP Stage 3 Long Block Crate Engines HP32C

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

Part Number: HPE-HP32C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATK High Performance Ford 502 515 HP Stage 3 Long Block Crate Engines HP102C

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

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today