PRP Integrated Main Cap Cradle - Ford Barra 4.0L Would you like to add one of our recommended Main Stud Kits to your order (all options below support up to 3000hp):Atomic Main Stud Kit Race Series V2+ - Crafted

Race Series V2+ - Crafted from premium 1045 steel material

Mounting Hole Diameter: 8

25 thread in their block

Nissan RB25

* Sharp internal corners removed to prevent cavitation

PRP Integrated Main Cap Cradle - Ford Barra 4.0L Would you like to add one of our recommended Main Stud Kits to your order (all options below support up to 3000hp):Atomic Main Stud Kit Race Series V2+ - CraftedWith 15 years of experience developing and testing multiple engine braces to suit different engine models, PRP is proud to release its NEW integrated main cap brace for the Ford Barra engine platform. Our integrated brace provides security and assurance for any level of engine build and it leaves any competitor brace behind by utilizing precision machine work, block specific material and cutting edge technology to match thermal expansion properties