Hawks Motorsports offers our clients this G3508088 1978-1988 GM Small Block Compatible 350 C.I. Long Block - 50 State Legal Replacement Engine - BluePrint Engines designed for customers needing a factory-style replacement 350 c.i. small block engine for specified GM applications. This BluePrint Engines long block is built to OEM specifications while using modern machining processes, tighter tolerances, and a balanced rotating assembly to provide a dependable replacement solution for restoration, repair, and maintenance applications.

The G3508088 features a GM Small Block compatible 350 c.i. configuration with a high-strength cast iron block, perimeter bolt iron cylinder heads, hydraulic flat tappet camshaft, hypereutectic pistons, and cast crankshaft. The engine is designed to meet replacement engine requirements for specified 1978-1988 applications while maintaining compatibility with original vehicle systems when properly verified.

This long block is an ideal choice for customers restoring classic Chevrolet and GM vehicles that require a dependable OEM-style replacement engine. Existing vehicle components including the intake manifold, ECU (if equipped), exhaust system, fuel system, accessories, and vehicle-specific hardware may need to be reused or verified depending on the application.

Key Features:

• SKU: G3508088
• BluePrint Engines GM Small Block compatible 350 C.I. replacement long block
• Designed for specified 1978-1988 GM applications
• 50 State Legal replacement engine configuration
• OEM horsepower and torque specifications
• High-strength cast iron block
• 4-bolt main block design
• 4.000" bore
• 1-piece rear main seal
• Passenger-side dipstick location
• Drilled and tapped for clutch linkage applications
• Perimeter bolt iron cylinder heads
• Hydraulic flat tappet camshaft with OEM-style specifications
• Hypereutectic pistons
• Cast crankshaft with 3.480" stroke
• Forged 5.700" connecting rods
• Mechanical fuel pump provision included
• Includes valve covers, rear sump oil pan, timing cover, and harmonic balancer
• Designed for OEM-style replacement and restoration applications
• Requires application verification before installation

Fitment Applications:

GM Small Block Compatible 350 C.I. Applications

Designed for specified 1978-1988 GM replacement applications.

Potential applications include:

Chevrolet Camaro

• 1978 Chevrolet Camaro
• 1979 Chevrolet Camaro
• 1980 Chevrolet Camaro
• 1981 Chevrolet Camaro
• 1982 Chevrolet Camaro
• 1983 Chevrolet Camaro
• 1984 Chevrolet Camaro
• 1985 Chevrolet Camaro
• 1986 Chevrolet Camaro
• 1987 Chevrolet Camaro
• 1988 Chevrolet Camaro

Chevrolet Corvette

• 1978 Chevrolet Corvette
• 1979 Chevrolet Corvette
• 1980 Chevrolet Corvette
• 1981 Chevrolet Corvette
• 1982 Chevrolet Corvette

Chevrolet/GMC Truck Applications

• 1978-1988 Chevrolet and GMC vehicles equipped with compatible 350 C.I. small block applications

Verify fitment before ordering, especially when using modified vehicles, aftermarket components, custom engine swaps, or non-original drivetrain combinations.

Installation Notes:

• Verify vehicle application before installation.
• Designed as an OEM-style replacement long block for specified year ranges.
• Reuse of existing intake manifold, ECU (if equipped), exhaust system, fuel system, and accessory components may be required.
• Mechanical fuel pump provision is included.
• Passenger-side dipstick location may require vehicle-specific verification or minor accommodation.
• If replacing an earlier engine originally equipped with a 2-piece rear main seal crankshaft, a compatible flexplate or flywheel may be required.
• Harmonic balancer, valve covers, rear sump oil pan, and timing cover are included.
• Intake manifold, fuel system components, ignition components, flexplate/flywheel, and other vehicle-specific components are not included unless specifically listed.
• Confirm transmission compatibility, cooling requirements, wiring, and accessory drive configuration before installation.
• Test fit all components before final installation.