.21 Engine Front bearing 7x19x6 Ceramic

Part Number: 607-RSC 7x19x6 mm ceramic engine bearing fits almost all .21 racing engines by OS Speed, REDS Racing, Nova, and Picco. Premium ceramic balls Polyamide cage to reduce drag, no corrosion, and light weight to increase RPM 2 x Rubber Seal to prevent air leaks Precision manufactured to ABEC-3 Standards New bearings, run in a rich condition for a couple tanks to avoid skidding the balls along the bearing races. At the minimum do not run full throttle on straights right away for the same reason. Recommend professional engine tools to install and press out the bearings. REDS and HUDY make excellent bearing replacement tool sets. *some pro level racers may remove 1 inner shield to reduce drag.