1963-1972 Triumph 650 to 750 Standard Big Bore Kit




This TOP SELLER Triumph big bore kit has everything you need to replace your top-end including is a new 750cc, new pistons, rings, wrist pins, and a full gasket set for the top end, including the copper head gaskets. This is a great way to add some gusto to your bike and is easy to install.

This 650 to 750 big bore kit is made of cast iron by Aerco in England and retains the stock appearance of a 650 cylinder. These are only for use with Triumph 9 bolt heads.

  • directions included
  • installs like stock top-end
  • for unit 650cc triumphs '63-'72
  • 9-1 compression
  • 9 bolt heads
  • nice upgrade
  • with tappet oil feed


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