Product Description
Liner & Piston Set - 87mm Standard PowerMax - Single - RF4001
POWER INCREASE
TR4/4A Original 2138cc increase to 2188cc
87mm CONVERSION SET
Increase power by fitting a Hepworth and Grandage Power Max piston and liner set.
Provides dramatic upsurge of power with only small changes to carburation (ie needle changes).
Sold singularly.