ATK High Performance Engines DM29 Remanufactured 4.3L 262ci Marine Engine

The ATK High Performance Engines DM29 is a remanufactured 4.3L (262 cubic inch) marine engine designed for 1987-1992 Chevrolet marine applications. This complete drop-in replacement engine delivers reliable 205 horsepower performance for a wide range of boats and marine vessels.

Engine Specifications:

• Displacement: 4.3L / 262 cubic inches
• Power Output: 205 horsepower
• Block Type: Cast iron construction
• Cylinder Heads: Cast iron
• Rotation: Standard (clockwise)
• Camshaft: Roller cam design for improved performance and durability
• Rear Seal: One-piece rear main seal configuration
• Fuel Pump: Includes provision for mechanical fuel pump mounting

Key Features:

• Complete remanufactured long block assembly ready for installation
• Marine-specific components designed to withstand harsh saltwater and freshwater environments
• Roller camshaft provides better valve control and reduced friction compared to flat tappet designs
• One-piece rear main seal eliminates common oil leak points
• Cast iron block and heads ensure excellent heat dissipation and long-term durability

This marine engine is professionally remanufactured to meet or exceed original equipment specifications, making it an ideal replacement for worn or damaged 4.3L Chevy marine engines from the late 1980s and early 1990s. ATK engines are known for quality craftsmanship and reliable performance in demanding marine applications.