Os 21 Tm

Macs Products Part MAC2340. Header:Std OS,ASP,ROY 21-32FSR....

Macs Products Part MAC6340. Muffler:OS 21-32FSR,WEB 25/32/35....

is lightly greased. Fits the RB Concepts WS7, WS7II, most Novarossi competition engines including the Plus 21-4 and Toro Nero and the O.S. MAX .21 RG, VZ-B and VZ-B V-Spec. This bearing will also fit any other... .21 to .28 competition engines that use a 7mm x 19mm x 6mm front bearing. More RPM capability than the steel counterparts. Ceramic balls reduce rotating mass and friction. Rubber shield faces out toward...

Product FeaturesSame mounting dimensions as O.S. 91 SurpassBaked on, gloss-black finish and shiny gold valve covers.1.00-size in a .91-size case.OverviewThe FA-91 is one of the most popular selling... -100 will turn an APC 14 x 8 prop 300 to 700 rpm more than either the Saito .91 or O.S. .91. At only 19.2 ounces (less muffler), it weighs nearly 2 ounces less than the O.S as well! The Saito FA-100 is not just a...