Hummer H1 Conversion

8.1 Vortec Conversions

Custom installation of 8.1 Vortec 496ci Big Block Chevy motors with Allison 6 speed or 4L85E Automatic Transmissions.  All engines are installed using custom made stand alone harness.

Custom installation of AC systems and Custom cooling options.


Custom Stand Alone Harnesses From Hot Rod Harness