WPC Treatment Engine Parts GRF110 Speaker: driver unit 40 mm

Speaker: driver unit 40 mm – thickness 6

Race Fuel Concentrate additive

Not suitable for original air box filter

Compression: 11

WPC Treatment Engine Parts GRF110 Speaker: driver unit 40 mmThe WPC Treatment for Engine Parts is an advanced Japanese developed metal surface enhancement process (Wonder Process Craft or Wide Peening Cleaning) that dramatically improves durability, reduces friction, and boosts overall performance in high revving or stressed engines. Unlike coatings that can wear off or alter dimensions, WPC is a permanent micro shot peening treatment using ultra fine, high velocity media to create a compressed, micro dimpled