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 Thread size: M12 × 0

Thread size: M12 × 0

Race Series V2+ - Crafted from premium 1045 steel material

Extremely reliable and has been used in some monster street GTR's making over 2000whp and some tube chassis RB and JZ examples are making close to 3000whp

Nissan RB25

25 thread in their block

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 Thread size: M12 × 0With 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