bgm says:
"The bgm PRO MRB R/T cylinder heads were developed as a sideline during the manufacturing of the bgm PRO MRB Race-Tour cylinder kits.
This CNC machined cylinder head is designed for all 225cc and 230cc (70mm bore) Lambretta cylinders using a standard dome.
Improved cooling with extra fins and thick any warp gasket face, new repositioned spark plug hole, road compression ratios between 9.25 to 9.50:1 uncorrected .
Perfectly suited for:
- TS1 225/230
- Rapido 225/230
- RB 225/230
- Cast iron 225/230
- Alloy 225/230>/UL>"
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