1955-59 Chevy & GMC Truck Enlarged Transmission Tunnel

• Custom New Steel 16-Gauge Tunnel

• Comes Fully Formed, Welded And Ready To Install

• Enlarged Nearly 2" To Allow Easy Installation Of GM 4L60, 4L80, 6L80, 6L90 Transmissions

• Also Works With The GM 8L And 10L Series Transmissions And T56

• Designed For Use With RDS Recessed Firewall RFWT-5559LS Or RFWT-5559

• Requires Cutting, Welding And Fabrication Skills To Install