Custom Tunnel is made of 16-gauge steel and is fully formed, welded and ready to install.
Enlarged nearly 2” to allow installation of GM 4L60/4L80/6L80/6L90 transmissions. Also works with GM 8L and 10L, and T56. Designed for use with our Recessed Firewalls.
Real Deal Steel
1220 East 30th Street
Sanford, FL 32773