6200 National Sportsman 4x4 Rules
Rules
- All chassis rules that apply in the National Fwd class will be the same. ( NTPA rules )
Engine Limitations
- Must be a wedge head
- No "Twisted Wedge" or special canted valve heads will be allowed.
- Heads must be of the type that is readily available to the public. ( Can be bought from Jegs Summit etc.)
-No DRCE Heads allowed
- No one off specialty heads allowed of any kind.
- Must be stock bore space of engine manf. 4.840- Chev / 4.900 Ford / 4.800 Chrysler
- Engine Block and Cylinder heads must be in the cast form. Steel or Aluminum. No Billet Blocks or heads
- Max Cam lift of .950 at the valve
- 650 Cubic inch limit with 1% allowance
Purse
1-$500
2-$400
3-$300
4-$250
5-$200
6-$150
7-$125
8-$ 75
Also in 6200 National Sportsman 4x4
6200 National 4x4 Overview
6200 National 4x4 Points
General Rules