O.S. ENGINE MAX R21 GT- 5 PORTS – TUNED VERSION


New ONE 5 port .21 GT engine. Based on the OS version which has been tweaked slightly to help aid the performance of the engine. It will only be available in a tuned version with a hand tuned crankshaft, different piston and liner with altered timing and a new under-head for maximum performance. Now available to buy ready for the GT world championship which will take place in Miami early next year.


<<< ONE-90151 >>>