4 x Titanium caliper pistons

The castellated contact edge is to allow airflow into the piston cavity as well as reducing the contact area with the pad and reducing the amount of heat going into the piston and heating the brake fluid.

Part:45117-MW0-006 
Part:45117-MR7-006 

Half the weight of the original part.  These pistons reduce Unsprung weight, giving your suspension a quicker reaction time to bumps

This part was made as a performance upgrade to the original steel part which corrodes and damages the seals causing the caliper to leak.
These pistons have a Titanium Nitride (TiN) coating which is harder than the metal beneath and will also reduce friction with the caliper seals.

The coating also gives a beautiful gold colour.  It’s a shame it’s hidden within the caliper

Titanium has an excellent property in that it’s a poor conductor of heat, so it’ll keep heat away from the brake fluid

Total weight = 106gm

Smaller piston is approx 27mm wide x 22mm deep
Larger piston is approx 30mm x 22mm deep
(Approximate to the nearest mm as it was expensive developing these parts so I’m not giving the dimensions out for rival companies)

Fits:
CBR900RR Fireblade (1992-1997)
VTR1000   (1997-2006)
NSR250  MC28
RVF400
RVF750