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ATK High Performance Engines DM21 Chevrolet 350 5.7L Marine Crate Engine

Manufacturer

ATK High Performance Engines

Picture for manufacturer ATK High Performance Engines

Part Number

DM21
13 reviews
03/12/2036 12:02 AM
Sale Price

$3,084.44

4 left at this price

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Usually delivered within 2 days

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Product Details

The ATK High Performance Engines DM21 is a complete marine crate engine designed specifically for 1980-1985 Chevrolet marine applications. This 5.7L (350 cubic inch) V8 marine engine delivers 260 horsepower and is engineered for reliable performance on the water.

Engine Specifications:

  • Displacement: 5.7L / 350 cubic inches
  • Power Output: 260 horsepower
  • Block Material: Cast iron
  • Cylinder Heads: Cast iron
  • Main Bearing Configuration: 2-bolt main caps
  • Rear Seal Design: 2-piece rear main seal

Marine-Specific Features:

  • Reverse rotation design for marine sterndrive applications
  • Externally balanced for marine duty cycle
  • Starboard side dipstick location for marine installations
  • Purpose-built for saltwater and freshwater marine environments

This replacement marine engine is ideal for repowering classic inboard/sterndrive boats and is designed to meet the demanding requirements of marine propulsion systems. The reverse rotation configuration ensures proper propeller function in typical sterndrive setups.

Great seller. I ordered a banks intake system for my 2001 silverado and I recieved exactly what I ordered. I'm very happy with this seller as a matter of fact I would be ordering my exhaust system from them. Besides they had the best price

Excellent shipping received very fast and well packaged

Seamless Purchase and great communication

So far, they did good getting my package to me...downfall it was opened from whoever was subcontracted to send it to me. however they promptly have provided me with a return slip and we will see where it goes from there. they were quick to help fix their problem as long as i had pictures of what was wrong. still cheaper than anywhere else.

Ordered a thule fairing for an audi roof rack. The whole process was easy and shipping was fast. Best price too. Definitely will use them again.

Best prices i could find on Rigid off road led lighting. Will be buying from Autoplicity again, wish they sold boating accesories but hey nobody is perfect.

Great parts ...great prices

Good, lower price.

Quick

I ordered a Thule 872XT 44" Fairing from them because they had the best deal on a new one and their shipping was fair. I live on Long Island N.Y. and got my order in 2 days! I did not expect the fast shipping but i am very thankful for it! I received an email when i paid, when my order shipped and then when my order was delivered to my door. I never heard of this online vendor until i was searching for the Thule but they had very positive reviews so i had little to lose. I will look to them first for future needs. A+!

Good

Great price, seems to be quick processing

Great prices

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