Riser - Fits CHRYS 318/360 CM-20-6674

Fits Chrysler model 273, 318, 340, and 360 CID (1966-1986) applications.

Precisely machined, painted and ready for installation right out of the box, Sierra manifolds help to keep engines running like new.

Our selection of Sierra manifolds, risers and accessories is one of the most complete product lines in the marine aftermarket. Sierra's vast selection includes manifolds, risers, elbows and accessories for most every marine engine on the water today, including OMC/Volvo, Chrysler, Crusader, Pleasurecraft, Universal, MerCruiser and more. All parts are backed by Sierra's comprehensive warranty.

• Manufactured to match the original part and are fully interchangeable with the OEM products they are designed to replace
• CNC machining assures that all components have a precise fit
• Include all necessary gaskets and hardware for easy installation
• Primed and painted for added durability and protection
• Components are ready to install out-of-the box
• Manifolds, risers and elbows are individually packaged in Instapack, an expanding packaging foam that keeps the part from chipping and breaking during transportation