FASWORX Two Cast Iron Exhaust manifolds Compatible with Mercruiser 7.4L, 8.2L, 454, 502
$ 2,336
Availability: Currently in Stock
Delivery: 10-20 working days
FASWORX Two Cast Iron Exhaust manifolds Compatible with Mercruiser 7.4L, 8.2L, 454, 502
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