- Front firewall MUST remain stock and in stock location
- Open holes in firewall must be sealed
- Must have firewall between trunk area and drivers compartment and open holes must be sealed
- Trunk floor and rear wheel wells may be removed
- Must have a STOCK floor pan from front firewall to back of front floor pan (behind seat)
- Cars may run aftermarket body
- Cars can have an aftermarket nose, NO late model noses
- Cars can run a 5 inch spoiler
- Maximum wheel width is 8 inches
- Beadlocks are allowed
- DOT or any 8 inch modified tires allowed
- ALL suspension mounts and location MUST BE STOCK!
- No Spring Buckets allowed
- No Wedge Bolts allowed
- No rebuild-able shocks
- A-Arms MUST be stock/ tubular stock length
- Trailing arms MUST be stock. 2 ¾” maximum from bottom of rear end housing to center of control arm bolt (may run tubular stock length trailing arms)
- 9 inch Ford floater rear ends are allowed. May be locked
- Quick Steer allowed
- Chevrolet 305 cubic inch engine, Ford 302 cubic inch engine, or Dodge 318 cubic inch engine ONLY
- ABSOLUTELY NO stroked or destroked engines!
- Engine MUST be in STOCK location!
- Max bore is .060
- Engine may be balanced
- Stock connecting rods
- Stock Crankshaft
- Flat top or dished pistons
- Stock cast iron heads. NO porting or polishing
- NO vortec heads!
- 1.94 and 1.5 valves ONLY!
- Maximum cam shaft lift is 4.10; Hydraulic ONLY!
- STOCK 1.5 rocker arms
- Screw in rocker arm studs are legal
- MUST run a STOCK cast iron dual plane intake. ABSOLUTELY NO high rises allowed! (No aluminum manifold/ no boat manifold allowed)
- 1” carburetor spacer/adapter allowed if you have a Holley 4412
- Quadrajet and 4412 Holley Carburetors ONLY! 4412 WILL be gauged!
- Cast iron exhaust manifolds ONLY!
- Any stock transmission allowed!
- Automatic transmissions must have 10 inch or bigger working torque converter
- Straight shift transmissions must have a 10 inch or bigger stock type single disc clutch
- Car must weigh 3200 lbs with driver after race
- V8 engines only
- Any HEI stock or aftermarket distributor allowed
- No MSD box allowed
