We fabricate tunnel extension for 136" and 144" track lengths.
136" extensions are CNC laser
cut from 0.125" thick aluminum. Kits
retain use of the stock bumper and come with rivets and installation
instructions.

144" kits are now also CNC laser cut!!
Deltabox I Chassis:
all years of the following models:
RX-1
Vector
Nytro
Deltabox II Chassis
all years of the following models:
Apex
Vector
Unpainted - $115
Powder Coated - $140
Available color: please ask about your color choice
Prices shown are US dollars and include shipping.
Shipping to the lower US will be via UPS ground or USPS.
Additional $20 US will be charged for all shipments to Canada (via USPS).
Additional $20 US will be charged for all shipments to Alaska via UPS.
Additional $50 US will be charged for all shipments to Europe.