Sierra Marine products are engineered to surpass today’s high horsepower engine demands and stand up to the harsh marine environment.
Sierra Marine are the leading supplier of marine engine and drive parts with over 50 year in business, offering 1,000’s of parts.
- 4 Inch Upper Tube
- Single
- Fits MCM 120/ 140 And GM V-6/ V-8 Engines
Sierra Marine products are engineered to surpass today’s high horsepower engine demands and stand up to the harsh marine environment.
Sierra Marine are the leading supplier of marine engine and drive parts with over 50 year in business, offering 1,
