OEM MerCruiser 7.4L / 454 / 502 OEM Exhaust Manifold & Riser Bundle – 807078T08, 807988Q03 Brand_Shurflo by Pentair Standard Horizon's Submersible Speaker Microphone

Standard Horizon's Submersible Speaker Microphone for HH VHF radios

Electronics- Integrated-Epoxy Encapsulated

Water Cooled Motors - Extended Life

you're bound to light up everything in your path

OEM MerCruiser 7.4L / 454 / 502 OEM Exhaust Manifold & Riser Bundle – 807078T08, 807988Q03 Brand_Shurflo by Pentair Standard Horizon's Submersible Speaker MicrophoneOEM MerCruiser 454 502 Exhaust Manifold & Riser Kit Center Riser, 4" This OEM MerCruiser exhaust kit fits big block 7. 4L (454) and 8. 2L (502) V8 engines with center riser exhaust and 4" outlets, typically found on models from 1983 to 2002. Includes: (2) OEM MerCruiser Exhaust Manifolds Part #807078T08 (replaces 807078T10)Includes manifold to head gaskets (2) OEM 4" Riser Elbows Part #807988Q03 (7 degree)Replaces 807914A1, 807988A03