Nissan RB20/25DET T4 Exhaust Manifold DBA BRAKES This bolt replacement kit is

This bolt replacement kit is required for the upgrade to a  Platinum Racing Products RB engine block braces

M6 Spiral Fluted Tap

on the MSD81 model it uses ISL9V5036 (Datasheet)

Nissan R32 Skyline GTST-4

Cap diameter: 57mm

Nissan RB20/25DET T4 Exhaust Manifold DBA BRAKES This bolt replacement kit isAll 6Boost manifolds are individually hand made in Australia. They are specifically designed for your application and built around unique "merge collector" design. This means no pipes cross each other and the merge collector directs all exhaust gases at the turbine entry. We have these to suit many combinations, if you don't see the combination you require in our selection please email and we can have one custom made for you. Additional Extra's