Description

Atk Engines Chev 454 Marine Engine is organized for powerhead & internal engine parts shoppers who need a clear, professional marine parts buying experience.

1973 To 1990 Chevrolet 7.4L/ 454 Cubic Inch Marine Engine; Marine; 330 Horsepower; Cast Block and Cylinder Heads; Externally Balanced; Reverse Rotation; Round Intake Port; With 2 Piece Rear Seal/ 10 Bolt Main

Fitment & Product Details

• Brand / Manufacturer: Atk Engines
• Year found: 1973, 1990
• Position: rear

• Search-optimized by brand, system, part type, and fitment cues.
• Verify compatibility with your original part number, engine model, and application before ordering.
• Built for boat owners, e-commerce shoppers, and professional marine service teams.