Norton Combat 750 Engine STD piston ring set 73 mm Opn. 25830/K (06-7058)
Condition: NOS
Fits: Commando 750 Engines 1971-73 Combat-type For Genuine Norton Pistons nr. 06 3348 06 3349 and Hepolite pistons nr. 19145
Hard chrome top rings - Wide and deep oil-rings (5/32" x 2/16" )
Made in England