The Work Stock
(WS) class is designed for daily-driven, on-the-road pickup trucks
(full-bodied diesel pickup trucks). Valid DOT registration and license
plates are mandatory.
Chassis:
The OEM chassis is mandatory. The engine must be in the OEM location
for the body used. The vehicle must retain the full OEM chassis.
Wheel tubs, back-half conversions, tube chassis, etc., are prohibited.
Credentials:
All drivers must have a valid state driver’s
license. And a proof of valid insurance
may be required.
Engine:
The engine is limited to a stock-appearing, OEM compression
ignition engine, available from the factory in a one ton or smaller
truck.
Driveline:
An OEM transmission and transfer case are mandatory. They must have
been an option on a one-ton or smaller pickup.
Fuel
Injection Pump: The fuel injection pump is limited to a
stock-appearing, OEM engine model-specific
pump only. The use of multiple high-pressure common-rail
fuel pumps is prohibited. Pumps from different
years in the same engine model may be interchanged. P-pumped 24
valves will be allowed, automotive governor only,
No AG Governors. No Sigma or Multi Plunger per cylinder
pumps.
Water
Meth, Propane, and Nitrous are PROHIBITED.
Turbocharger:
The turbocharger is limited to a stock OEM/Factory charger only.
6.4L Powerstroke turbo is permitted.