Pirate4x4.Com : 4x4 and Off-Road Forum - View Single Post - Steel City Racing: King of the Hammers 2019 Toyota 4Runner IFS 4600 Build Thread
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Old 06-18-2018, 10:37 PM   #3 (permalink)
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Join Date: Apr 2001
Member # 4211
Location: Birmingham, Al, US
Posts: 391
As an aside and for reference as we progess through the build here is my quick highlights summary of the KOH 4600 Rules:

4600 Stock Class Restrictions (Summarized from Ultra4 Rulebook v4.4):

- Complete Unmodified stock frame
- Complete stock body (can cut holes for roll cage and rocker panel protection)
- Half doors are acceptable but must open and close
- Stock glass not required
- Front/Rear inner fenders must be complete
- Fenders can be trimmed to no more than 2" gap from tire at full compression
- No more than 1" body lift
- Factory Headlights are required
- Aftermarket bumpers are fine or can be eliminated

- Stock engine (no forced induction) required but performance mods allowed
- Stock transmission required
- Any transfer case is permitted
- Any axles are permitted
- Any driveshafts are permitted
- Mechanical steering required but hydro assist okay

- Wheelbase cannot be lengthened more than 3"
- Suspension configuration must remain consistent from stock (leafs must stay leafs, coils must stay coils, coilovers must remain coilovers) and no fancy leaf configurations (quarter eliptical not allowed)
- Suspension linkage can be changed in any configuration
- 1 shock per tire/wheel at max of 2.65" diameter and 14" stroke with no air bumps allowed
- No bypass shocks and shocks must connect axle to chassis

- Max 35" tire
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