Triumph – BSA piston +0.020″ oversize 70-4004

NOS
Made in England by GPM

fits:
– 500cc unit twins 1959-

CR 7.5:1
c.w. piston rings
replaces Hepolite nr. 15034

Weight: 0.3 kg

Manufacturer Part Number(s): 70-4004, 15034, CP174/20