Because they are the first piece of equipment to convey exhaust fumes out of the engine, exhaust manifolds to which they are exposed to tremendous temperature stress. Because of the massive expansions generated by heat and the cyclical pressure caused by repeated heating and cooling cycles, the material becomes fatigued. As a result, this component may fail in the future. Sierra's 18-8503 Exhaust Manifold Mounting Kit is made for Pleasurecraft Ford Small Block V8 engines (302 and 351 CID). (1) Sierra 18-0183-1 Exhaust Manifold Gasket and mounting hardware are in the kit. Each Sierra product meets or surpasses the original equipment part it replaces, and it is interchangeable with Mallory 9-40870 and Osco 28001-MK. To guarantee a good fit, double-check part numbers.
Key Features:
- This product replaces 47-8503, 808282127015, AP5418, and 9-40870
- Designed to work with Pleasurecraft Ford Small Block V8 engines (302 and 351 CID).
- (1) Sierra 18-0183-1 Exhaust Manifold Gasket with mounting hardware
- Mallory 9-40870 and Osco 28001-MK are interchangeable.
Product Specifications:
- SKU: 18-8503
- UPC: 808282127015
- Weight: 0.24 LBS
- Manufacturer Part Number (MPN): 118-8503
- Quantity: 1
For: Pleasurecraft Ford Small Block V8 302 and 351 cu.in.
This product replaces:
- 47-8503, 808282127015, AP5418, 9-40870
