Special Cold Novarossi Glow Plug. Typically used in .28 and larger displacement engines with 10% - 25% nitro. Not compatiable with Cesare Rossi (CR) or Novarossi helicopter engines that utilize a short body HR series plug. Card of 5 plugs.
.21 Piston and Sleeve Only - Rod not included for RX21FR - This Piston and Sleeve Only fits the 2000 Series NovaRossi Speed Engines
.60/.90 REX Muffled Tuned Pipe Black - Increase power and performance of model engines with tuned pipe. Requires 40450 or 40451 manifold for use with NovaRossi C50F