Engines and Components› Engines, Blocks and Components

ATK ENGINES

CHEV/GM 4WD 1000 6-SPEED

$6,125.00

SKU: A040 T281234

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Special Order
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Non-Returnable Item
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Description

The ATK ENGINES T281234 (MPN: ATKVMK9) is a Chevrolet 4.3L (262 cubic inch) 1996-1999 Marine Crate Engine. It is specifically designed and modified for marine applications and is not a direct, interchangeable fit for automotive use, despite being based on a common Chevrolet block.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 T281234

Videos

In-Depth Build Of An Old School Chevy 4.3L V6 Build - Engine Power S9, E1&2

In-Depth Build Of An Old School Chevy 4.3L V6 Build - Engine Power S9, E1&2
4.3 V6 Chevy gm marine vortec balance shaft timing mark setup

4.3 V6 Chevy gm marine vortec balance shaft timing mark setup
ATK Performance crate engine review

ATK Performance crate engine review
EVERYTHING YOU NEED TO KNOW ABOUT THE CHEVY 4.3

EVERYTHING YOU NEED TO KNOW ABOUT THE CHEVY 4.3
How to Purchase a Crate Engine

How to Purchase a Crate Engine

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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