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UMI Performance’s tunnel-mounted torque arm and crossmember kit is specified for 1982–1992 GM F‑Body Camaro and Firebird installations using a TH400 (short-tail) transmission. The bolt-on design eliminates transmission tail‑shaft mounting, includes a crossmember, adjustable torque arm with on-car instant center settings, greaseable polyurethane bushings, NHRA-legal driveshaft loop and CNC-machined mounting plates, requiring no welding for installation.
UMI Performance 82-92 GM F-Body Tunnel Mounted Torque Arm- Fits TH400 Transmission
