General-
Heads Up Class
.400 Pro Tree
1/8 mile, 1st to the finish wins
All competitors are to use a 275 Drag Radial Tire (50 or 60 series) Must say 275 on Sidewall
All Run Field with qualifying to set up a Pro Ladder
Suspension-
Stock Front Frame Rails required, direct replacement light weight components allowed (k-member,coilovers,etc.)
Front k-member may be modified for rack and pinion and oil pan access
Stock Rear Frame rails required, may be notced for tire clearance
Ladder Bar and Coilovers OK with stock rear frame rails-1/4 tub OK
Welded in Anti-Roll OK
No wheelie bars
Engine-
Nitrous systems may consist of a direct port Fogger style with 1 Nozzle per cylinder, 4 solenoids and a purge or
a plate style system with 2 solenoids and a purge. Progressive Boxes, digi-sets and other timers/retards OK.
Single Turbo and Centrifugal Superchargers allowed without the aid of water to air intrcoolers or Meth/Water injection on V8
appications unless factory installed. 4 and 6 cylinder cars may use any/all of the above for intercooling.
Roots Blower allowed with 2 carbs or injection
No multiple power adders (Twin Turbos, Blower with N2O,etc.)
Multiple carbs and/or Sheetmetal intakes allowed only on Normally Aspirated Combos Only
Interior/exterior-
2 Front seat, covered door panels and factory appearing dash required and carpet,emphasis on Street Appearing
Fiberglass limited to Hood, Hood Scoop and front and rear bumpers.
Factory OEM or OEM Replacement windows required-No Lexan, Speedglass or similar Light weight replacements with the
exception of rear windows on trucks (rollbar access)
No Race Car Lettering-Stickers for sponsors or contigency OK.
Exhaust-
Mufflers required on all cars except Turbos
Electronics-Trans Brakes OK. No Delay Boxes to be used for launch purposes.
All rules are enforced by MSRA Representatives.Anyone caught cheating will lose all winnings and be banned from future MSRA events.





