UMI’s new mounting hardware includes zinc plated high grade bolts, washers and Ny-lock nuts. UMI’s P/N 1003 kit works on the 1975-1981 Camaro/Firebird front lower a-arms and 1999-2004 Ford Mustang rear lower control arms. Note: 1970-1974 Camaro and Firebird use ½” standard hardware while 1975-1981 use 14mm metric a-arm hardware. UMI suggests checking your vehicles current hardware size before ordering to confirm. P/N 1003 includes four 10.9 grade 14mm bolts with Ny-lock nuts and washers.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975-1980 | Chevrolet | Camaro | Base |
| 1979-1981 | Chevrolet | Camaro | Berlinetta |
| 1975-1978 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1980 | Chevrolet | Camaro | Rally Sport |
| 1975 | Chevrolet | Camaro | RS |
| 1981 | Chevrolet | Camaro | Sport |
| 1977-1981 | Chevrolet | Camaro | Z28 |
| 1999-2004 | Ford | Mustang | Base |
| 1999-2004 | Ford | Mustang | GT |
| 2001 | Ford | Mustang | GT Bullitt |
| 2003-2004 | Ford | Mustang | Mach 1 |
| 1999,2001,2003-2004 | Ford | Mustang | SVT Cobra |
| 2003 | Ford | Mustang | SVT Cobra 10th Anniversary |
| 2000 | Ford | Mustang | SVT Cobra R |
| 1975-1981 | Pontiac | Firebird | Base |
| 1975-1981 | Pontiac | Firebird | Esprit |
| 1975-1981 | Pontiac | Firebird | Formula |
| 1975-1981 | Pontiac | Firebird | Trans Am |
Most items ship directly from authorized distributors. Lead times vary by brand and availability.
Returns are permitted within 30 days of receiving your order under specific conditions. For more information, view our Return & Refund Policy
Professional installation available at our Metro Atlanta facility. Contact us to schedule your build.

