High-quality shorty exhaust manifold replacement designed to fit Chevrolet Big Block V8 engines commonly used in classic GM vehicles. This part serves as a direct-style replacement and helps maintain proper exhaust routing.

Specifications:

• Outlet Size: 2.85”

• Primary Tube Size: 1.65” square

• Head Flange Thickness: 7/16”

• Outlet Flange Thickness: 3/8”

Fitment:

Compatible with Chevrolet Big Block V8 engines:

• 396

• 402

• 427

• 454

• 502

Please confirm compatibility with your vehicle before purchase. This item is a replacement part and not intended for emission-related modifications or performance alteration