Set zuigerveren Norton Commando 850 , R26730
2 Cylinder Hepolite Piston Ring Set for Norton Commando 850cc models etc (1973-77).
Hepolite piston rings are premium quality and manufactured in the UK
Bore Size : 77mm STD , 020 , 040 , 060 Oversize
Compression Ratio : 8.5-1
Hepolite number : R26730