K-Tuned Track1 90mm Domestic Throttle Body - 86-93 Ford Mustang 5.0 - T1-50-1000Applications: Mustang 5. 0L Bolt Pattern (Universal bolt pattern matches all 86 93 Ford Mustang 5. 0L specs). Notes: This will work with K Tuned New 90mm Inlets (2019+) TPS Screw M4 0. 7 Big bore domestic throttle bodies have been making their way onto import engines for several years now and it is no secret that getting some of them working properly can be a painful experience. We saw the problems, so we designed our Track1 90mm Billet Throttle Body