Description
NGK Racing Competition R7438 9 Bougies Set Van 4 Big Brake Kits At the front At the front STAGE 1 175BAR STAGE 2 200BAR Piston has more than 55% 75% surface area than OEM Piston head optimised for ideal fuel flow direction Piston surface hardened and heat treated in 3 different stages Uses OEM style spring retainer