A double seal gives less pressure per seal meaning less friction and more power. Made from stronger material and designed to be unbreakable under normal operating conditions. Flexibility of the material and design means you get a much better seal which will result in more power. The radius edge helps with faster run-in times

Our Duplex Racing Side Seal is suitable for the following:

13B EGI

Turbo II

Twin Turbo FD

We recommend holding the two side seals as a pair when machining both ends to length.

Finaly grind the side seals to length

0.002" / 0.004"
0.06mm / 0.10mm