.21 T35 PLUS MS2 Marine Engine 03950 Old head button fits the

Old head button fits the original more cooling water jacket with water exposed head screw threads inside of jacket

Requires the Part# 12425- Mounting Metric Screw Set

Manifold for use on the 21 KEEP Outboard to adapt 21 Car Style Tuned Pipes

Exhaust position: rear

Mounting Plate

.21 T35 PLUS MS2 Marine Engine 03950 Old head button fits theT35 PLUS MS2 Front Exhaust Marine Engine. Optional replacement standard plug head button is available separately. Factory picture shows optional remote adjustable needle valve on carb (not included) as most boaters prefer remote needle mounted in a location within the boat and separate from the engine. Requires a 180 Degree Exhaust Header Manifold