Engines and Components› Engines, Blocks and Components

ATK ENGINES

CHEV 305 87-95 MARINE ENG

$1,972.90

SKU: A040 DMB3

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This marine, long block crate engine is assembled with cast iron heads for Chevy 305 applications. Designed for maximum performance and long-term durability in boating applications, it includes: special marine pistons and rings, marine camshaft and 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, and an oil pump with gasket. Fits standard rotation engines with block numbers #551, #766, #627.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandATK ENGINES
Part NumberA040 DMB3

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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