Introducing version 2.0 - engineered for a smoother transition from the Zenoah exhaust port to the Bonzi' header, allowing for better exhaust flow. Its thicker grooves result in more surface area for more efficient cooling.

Includes exhaust flange, retaining flange, exhaust manifold gasket, O-rings and manifold bolts.

2" wide x 1 3/8" high.
(3" wide with brass fittings)

Upgrade to hi-temp Teflon seals for extra sealing power! (requires 2)

Don't forget replacement Viton O Rings! (Manifold requires 2, Pipe Systems require 4 - - - sold in packages of 6)