CHEVY/GMC 7.4L Engine

Part Type:  Remanufactured Engine Assembly (Factory Spec)

This remanufactured Chevy/GMC 454 7.4L engine includes the following enhancements from Fraser Engines:

• Bore and hone all cylinders to OEM clearances (We check all clearances within .0001 of inch),
• Decking cylinder head(s) and block for straightness,
• Cutting valve seats and valves to proper degree,
• Line boring/honing crankshaft/camshaft tunnels,
• Ground & polish crankshaft, new or remanufactured camshaft(s),
• New main bearings, rod bearings, pistons, piston rings, lifters, pushrods (if equipped), timing components, oil pump, head bolts,
• All new internal gaskets and seals.
• All finishing gaskets are included (MAY VARY PER APPLICATION).

Chevy/GMC 454 7.4L Engines

The Chevy/GMC 7.4L engine, also known as the 454, is a V8 engine designed specifically for heavy-duty vehicles and trucks from General Motors Corporation.

The base engine consists of:

A cast-iron engine block and cylinder head
Overhead valves (OHV)
Throttle body fuel injection (TBI)

The engine specifications include:

• A displacement of 454 cubic inches (7.4 liters)
• 4.25 in x 4.0 in (107.95 mm x 101.6 mm) cylinder bore and piston stroke
• 7.8:1, 8.4:1, or 9.4:1 compression ratio
• 230 to 290 horsepower (172 to 216 kW) at 3,800 to 4,000 rpm
• 385 to 410 lb-ft (522 to 556 Nm) of torque at 2,800 to 3,200 rpm

The Chevy/GMC 7.4L engine is known for its heavy-duty capabilities and reliability, making it a popular choice for towing and hauling applications. It was used in various Chevy and GMC trucks and SUVs, including the Chevy C/K, Silverado, Suburban, Tahoe, and GMC Sierra, Yukon, and Suburban.

The engine's popularity peaked in the 1990s, and it remained in production until 2003. Despite being discontinued, the Chevy/GMC 7.4L engine still has a loyal following among truck enthusiasts and remains a popular choice for those in need of a powerful and dependable engine.