Boyesen Dual Stage Power Reeds
Vertical Reed Blocks
Fits:
Mercury
150hp XR2, XR4, Magnum, Marathon 1978-90 (s/n 5432022-6616991, 0A904645-0C239552)
175hp Carburated 1976-90 (s/n 4301235-6618751, 0C100860-0C239552)
Only 1 Kit Required Per Engine
Don't forget the gasket