Street performance tubular lower A-Arm feature heavy duty cross shafts, Delrin bushings and a host of other features. Power Tour and daily driver proven. Accepts UMI lowering spring, factory...

Now Fits Convertible Models! Minimize chassis flex and increase performance capabilities on your 82-92 GM F-Body with boxed style weld-in subframe connectors from UMI Performance. Subframe...

The 1983-1992 third generation steering brace, also known as the Wonder Bar, is designed to tie the front right and left subframe together. This tubular set-up bolts directly under the front sway...

  UMI Performance Camaro/Firebird 82-92 Transmission Crossmember- 700R4 & T5. Shipping is not included. This transmission cross member is designed for the installation of a 700R4 or T5...

  UMI Performance Camaro/Firebird 82-92 Transmission Crossmember- TH350 & T5. Shipping is not included. Call or email for shipping quote.   This transmission cross member is...

  UMI Performance Camaro/Firebird 82-92 Transmission Crossmember- TH400This transmission cross member is designed for the installation of a TH400 (short tail) into an 82-92 third generation...

  Installing a TH400 (4 tail shaft) automatic transmission into your 82-92 Camaro or Firebird just got easier. This transmission cross-member with integrated torque arm mount features the...

  Installing a TH350 automatic transmission into your 82-92 Camaro or Firebird just got easier. This transmission cross-member with integrated torque arm mount features the correct provisions...

The torque arm relocation kit from UMI Performance is designed to remove the front mounting point of the torque arm off the transmission and protect the tail shaft from damage. General Motors tail...