M&D Zenoah Cast 254
Eligible for IMPBA LSG27, Namba GX1
- Improved cylinder design with 4 transfer ports
- Integral Sleeve for piston stability at high rpm
- High-rpm lightened single ring piston
- New combustion chamber shape,
- M&D designs Zero Drag crank seals
- M&D modified Walbro WT-257 carburetor
- NGK CMR7H spark plug
- Engine comes broken in, with dyno graph showing HP/Torque vs. RPM