Looking to push your RB to the absolute limit? the Hi Octane Racing billet block girdle helps strengthen the block and support the crank and main bearings.

Precision CNC machined from billet Steel and stupplied with  fastners, The Hi octane Racing  girdle is the best option currently available on the market when running cast blocks .

This Features Using 12mm Main Studs from using RB26 Head Studs for the mains

The Billet Steel main caps are also a big upgrade over the std cast ones , and will not crack when pushing the limits of your rb

Desgned and tested for applications making up to and over 1500p, This  gidlre is a must have for any serious street, circuit, drift or drag build.