Exhaust Manifold for MerCruiser Big Block 454, 496, 502 (807078A6, 18-1957)

Includes: - Exhaust Manifold

Fits Models: - MerCruiser Big Block 454, 496, 502

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - 7.4L (454 CID), 8.1L (496 CID), 8.2L (502 CID)

Description: This exhaust manifold is designed for MerCruiser Big Block engines, specifically the 454, 496, and 502 models. It is engineered to provide optimal exhaust flow and durability, ensuring your marine engine operates efficiently. The manifold is a direct replacement for the original equipment, making installation straightforward.

Features: - Direct replacement for MerCruiser Big Block engines - Enhances exhaust flow for improved performance - Durable construction for marine applications - Compatible with multiple engine sizes - OEM part number: 807078A6, 18-1957