Condition NOS 9:1 Compression ratio For 750 Atlas + Commando engines only (1964-1972)
Dunstall Commando 750 piston set LH + RH made by G.P.M.
Condition: NOS
9:1 compr. ratio
Hard Chrome top rings.
for 750 cc Atlas & Commando engines 1964-1972
Sizes 73.00 mm Standard size and 74.00 mm + .040" Oversize