Brian Tooley Fuel Rail Kit for V2 Trinity Intake Manifolds - FRK-02 Fits V2 Version of BTR Trinity Intakes Only. Will not fit Equalizer or earlier Non-V2 Versions of Trinity. This BTR fuel rail kit is designed to be a direct fit for your V2 Trinity intake manifold (and Cathedral Port Trinity). This kit includes all of the brackets and hardware to accommodate most fuel injector heights. Also included are BTR fuel fittings to help you plumb your fuel rails. These "V2" fuel rails incorporate enhanced injector angles for better part throttle drivability and top end horsepower when combined with your V2 Trinity intake runners.