ATK Marine Rebuilt Long Block Engines

4.4 out of 5 stars 45 Customer Reviews

ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application. ATK Marine rebuilt engines include: * Special marine pistons and rings * Special marine camshaft * Marine gaskets * New intake and exhaust valves * New main, rod, and cam bearings * New valve lifters, rocker nuts, and swivels * Heavy-duty double roller timing chains * Cam sprocket * Crank gear * Freeze plugs

Showing In Stock Items. Show All 33 Items.

Results 1 - 25 of 28

ATK Marine Rebuilt Long Block Engines VMH4

Crate Engine, Marine, 350 C.I.D. 260 HP, Long Block, Assembled, Block Casting 880, Each

Part Number: HME-VMH4

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMA1

Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Standard Rotation, Ford, 351W, Each

Part Number: HME-DMA1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines VMB3

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 305, Each

Part Number: HME-VMB3

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMW4

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMW4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMM6

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Standard Rotation, Chevy, 350, Each

Part Number: HME-DMM6

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMX1

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMX1

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

ATK Marine Rebuilt Long Block Engines VMM6

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Standard Rotation, Chevy, 5.7L, Each

Part Number: HME-VMM6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMK1

Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Chevy, 454, Each

Part Number: HME-DMK1

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DM02

Crate Engine, Marine, Long Block, Assembled, Internal Engine Balance, Cast Iron Heads, Chevy, 350, Each

Part Number: HME-DM02

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines VMW4

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-VMW4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMA1R

Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Reverse Rotation, Ford, 351W, Each

Part Number: HME-DMA1R

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DM03

Crate Engine, Marine, Long Block, Assembled, Internal Engine Balance, Reverse Rotation, Chevy, 350, Each

Part Number: HME-DM03

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines VMT23MC

Engine Long Block, 6.0 Liter, 364 C.I. Hydraulic Roller Camshaft, Valve Cover, Oil Pan, Timing Chain Cover, Marine,Catalytic Converter, Chevy LS, Each

Part Number: HME-VMT23MC

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

ATK Marine Rebuilt Long Block Engines VMX1

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-VMX1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMC4

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMC4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMH4

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 350, Each

Part Number: HME-DMH4

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMB3

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 305, Each

Part Number: HME-DMB3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMWEHO

Engine Long Block, 8.1 Liter, 496 Cubic Inch, Marine, Cast Iron, Hydraulic Roller, Camshaft. Scat Rotating Kit, Chevy, Each

Part Number: HME-DMWEHO

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

ATK Marine Rebuilt Long Block Engines VM29

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-VM29

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines VMM6MA

Engine Long Block, Chev 5.7 Marine Engine

Part Number: HME-VMM6MA

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

ATK Marine Rebuilt Long Block Engines DMC7

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMC7

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DM29

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DM29

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DM27

Crate Engine, Marine, Long Block, Assembled, Internal Balance, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DM27

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DM32

Crate Engine, Marine, Long Block, Assembled, External Balance, Reverse Rotation, Chevy, 454, Each

Part Number: HME-DM32

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

ATK Marine Rebuilt Long Block Engines DMK9

Crate Engine, Marine, Long Block, Assembled, Cast Iron Heads, Chevy, 262 V6, Each

Part Number: HME-DMK9

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

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