VRP - 8th 'XV4' VRP Tuner Pistons (2)

About this product

This is a pair of (2) Patented VRP XV4 'Tuner' Pistons with Valves and Hardware. We have developed the VRP 'Tuner' Piston to be the ultimate 'tuneable' piston for RC Racers. Each piston has 20 individual dimples for the normal holes. Below is a chart where the holes are numbered like a clock, so they can be used as a way of drilling the piston with holes from 4 to 10 holes. These are just a suggestion. There are many possible combinations. 3 Hole, 7 Hole, 12 Hole, etc. Use a high quality drill b