KBB R4-3
Higher-pressure trim of the R4 frame for higher-output engines.
To identify and order a spare part for R4-3, please provide the model name and the serial number stamped on the nameplate.
Higher-pressure trim of the R4 frame for higher-output engines.
To identify and order a spare part for R4-3, please provide the model name and the serial number stamped on the nameplate.