OS SPEED R21 2105/B21 Ongaro Back Plate – 2DA07000

For sale is brand new in packet OS SPEED R21 2105/B21 Ongaro Back/Cover Plate – 2DA07000. By adopting a thrust plate made out of steel, wear due to friction between the connecting rod and the cover plate during rotation is reduced and engine durability is improved. Compatible with OS and OS Speed .21 based on-road/off-road nitro engines. Packet contents = 1 back plate only (will require 0-ring 23107100).