Royal Purple HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - is not made from crude oil like traditional motor oils. It's used to lubricate, clean, and cool engines with the utmost efficiency. Types of motor oil include conventional, synthetic, diesel, bio-based, hybrid (blends...

The Sierra 18-2833-9 Exhaust Elbow Gasket is interchangeable with the following: Barr MC472799777, GLM 31520, Mallory 9-61407, Mercruiser 27-997772, 27-997771, 27-99777, 27-52076, 27-99777B2, Osco 52076. Each Sierra product meets or exceeds the original equipment part it replaces.

Rear Riser Open For 4 & 6 Cylinder except 120HP (1986-1982) All V8 (1978-1982)