NUTS DEEP IN MUD


 

CLASS 600 – Pro Stock
A. TIRES: Any size allowed
B. ENGINE:
Any internal engine modifications allowed
Aluminum heads or blocks allowed
No nitrous
No blowers
Tunnel ram manifolds – Multiple carburetors allowed
NO vacuum requirements
Any ignition – Engine swaps allowed
Any exhaust allowed
C. BODY & FRAME:
Body swaps allowed
Any frame (including tube) & body (including fiberglass) combinations
Fuel cells & tank relocation allowed
Gutting allowed
Single racing seat allowed
Minimum 4-point roll cage -.090 thickness – Secured to frame
Required if vehicle gutted, any structural component removed or cab back is open – i.e. Blazer/Bronco
Open top vehicles require 6-point cage
Maximum 150” wheelbase
D. SUSPENSION: Any coil over suspension allowed. NO chain steering.
E. ALL SAFETY FEATURES REQUIRED
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