FASWORX Two Cast Iron Exhaust manifolds Compatible with Mercruiser 7.4L, 8.2L, 454, 502
$475.00
$475.00
$
99
.00
$99.00
- TWO Exhaust Manifolds for Mercruiser Engines: 454/7.4L and 502/8.2L. Fits 1981 and newer. DOES NOT FIT ENGINE WITH SERIAL NUMBERS THAT START WITH 8M
- Compatible with Mercuiser 807078T10, 807078T09, 807078A6, 807078A4, 807078A2, and 89011A8.CASTING NUMBER 866632-C
- Gaskets have tinged tinplate-reinforcement. These Manifold Gaskets are made from flexible graphite composite reinforced sheets laminated with stainless steel (marine grade) foils. These are NOT cheap paper gaskets!
- These manifolds are the same externally as the factory Mercruiser manifolds but these have 30% internal cooling surface area to reduce exhaust temperatures. See picture for independent test results. These manifolds produced 12HP more over stock manifolds!
- Includes: Two manifolds Two block gaskets Two riser gaskets Two hose elbows
