Complete set of two Norton Ultra Hi CR domed pistons 750 to 1007cc for stock Norton rods.

These special order JE domed pistons to give you approx 11.3:1 C.R. for 750cc long strokes and 750 shortstrokes (more info).  FOR RACING FUEL ONLY.  A drop in kit compatible with all types of cylinders.  No modifications necessary except that bores greater than 78.5mm will need larger diameter combustion chambers. Includes rings, clips and pins. For stock Norton rods. Not recommended for 850s and up unless using alcohol (approx 12.5 to 13:1 C.R.).  Crank rebalancing is not required (balancing info).  Domed short stroke pistons for factory fully hemisphered big valve heads also available on special order.  These J.E. uncoated pistons are the lightest, highest quality domed pistons you can buy for your Norton. Add TiN (titanium nitride) top ring coating to avoid vertical stripes on Nikasil coated alum wall cylinders (order ring coating here).