This is an optional O.S. Induction Silencer. This EFRA/IFMAR approved silencer was developed for .12 - .21 class on-road engines to help reduce noise levels, while at the same time having very little affect on power output.Includes:Upper and lower plastic cupsRubber base with foam elementZip tieInst..
We have developed O.S.SPEED R21 Shimo edition collaborated with Takaaki Shimo, a multiple podium winner of the IFMAR 1/8 Racing World Championship. It is a 7-port engine with a new cylinder liner, which has extra holes to reduce overheating. The cooling head and 8.5mm carburetor restrictor are anodi..
The O.S.SPEED B2104 is a long-stroke engine, bore x stroke is 16.27 x 16.80mm. It has quicker response in low range and more torque in middle range with consistent idling. A combo set is equipped with TB03 (T-2100, EFRA 2155) silencer with 80mm manifold (MB-01-80)Piston/Liner:The piston/liner is con..
This is the O.S. Turbo Speed R2104 .21 9-Port On-Raod Engine Combo with the T-2080SC II Silencer, a factory tuned engine solely developed for 1/8 racing competition. This redesigned engine boasts 9-port piston liner to improve torque in low-middle power range. It also produces enough power as design..
This is O.S. Engine MAX-21XR-B Ver.Ⅲ GT Combo Set w/ TB01 EFRA2042 & MB01-70. Feature:For: Suitable For 1/8 RC NitroThe newly designed crankshaft has improved response compared to conventional products by changing the counter shape and timing.Improved response by reducing the weight of the ..