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The M&D  Full Mod G260PUM or the M&D Cast 254

M&D G260PUM Full Mod
Eigible for: IMPBA LSG27, Namba G1 ​

Modifications include:
  • Combimation CNC & Hand porting for maximum performance
  • Lightened piston
  • M&D modified WT-257 carburetor
  • NGK CMR7H spark plug
  • Every engine tested on an Inertial dyno 



M&D Cast 254

Eigible for: IMPBA LSG27, Namba G2

  • 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 modified Walbro WT-257 carburetor
  • NGK CMR7H spark plug
  • Every engine tested on an Inertial dyno 
Your choice!


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