Stock unless otherwise stated. Harris Speedway cars must weigh 3350 after race but may use the Hoosier racing tire. They must also go by Cherokee exhaust and shock rules.



Please see drawings at end of rule book. The objective of body rules are to keep the cars looking similar to each other and as close to stock while keeping them Race Cars.

1. Wheelbase
- Stock wheel base for chassis being ran. Any chassis with a wheelbase shorter than 108" will not be allowed. No Jeeps or Station Wagons.

2. Rubber nose OK. Nose must match tailpiece. (If you have a Camaro nose, you must run a Camaro tailpiece, Monte Carlo, Nova Charger, etc.) No exotic or late model style noses or elephant ears allowed.

3. Must run FULL tailpiece rear of car. 20" min. height from deck to bottom of tailpiece. No holes or flaps.

4. Must run complete, enclosed cockpit. Must have steel floor pan under driver. Front firewall location may be moved for engine clearance. Firewall may be replaced aluminum or steel material only. Top and quarters must be stock looking. Deck height not to exceed 1" higher than stock. Doors & fenders may be aluminum. Cars must remain stock appearing.

5. Spoiler
- Maximum height 6". May run side spoilers. 6" high X 12" long. May have one 4" spoiler inside car.

6. Weight - 3200 lbs. after race with driver.

7. No exposed bars.

8. Body must sit on frame in OEM position.

9. Aftermarket dirt bodies allowed. Must be approved by track.

10. All bodies should carry original body lines.

1. AR Bodies OK.

Chassis And Suspension:

1. Front suspension components must remain stock or stock type for type of chassis running unless otherwise stated. This includes draglinks, tie rods, spindles, etc. FRONT SUSPENSION! N
o Astro van spindles etc.

2. Steering
- Stock Type - Quickeners OK.

3. Front spring spacers OK. No front screw jacks allowed. OEM rear trailing arms only. Rear spring - Jack bolts OK. Rear spring buckets OK. (Rear jack bolt buckets can be No taller that 6".)

4. Springs may be changed. Must remain in stock location. (Racing springs OK) No stack springs.

5. A-Frames - Upper may be tubular steel or modified O.E.M. Longer GM stock type ball joints OK on upper only. (No screw in ball joints) Lower control arm must be O.E.M for frame used, must remain unaltered in stock position. Stock type replacement ball joints only. (No long ball joint may be used on lower) (No screw in ball joints allowed). No mono-balls allowed. Must run rubber bushings only.

6. Shocks
- Front - Bilstien #AK1043 only. (Front shock can be raised 3" only. May lower 2" only. Must use lower stock mounting points.) Rear Bilstien #SSR1 only. May move rear shocks.

7. Engine Location: # 1 sparkplug even with center top ball joint.

8. Framework may be reinforced. Uni-body cars (frames) must have stock floor pan and must be in stock location.

9. Remote power steering reservoirs are legal.


1. Engine must be same make as car. Engine must be STRICTLY STOCK. N
o factory high performance allowed.

2. Cubic
Inch - (Chevy - 350 C.I.) (Ford - 351 C.I.) (Chrysler - 360 C.I.)

3. Block - Stock cast iron OEM, may overbore .060 MAXIMUM - NO TOLERANCE! May deck block to .000 deck only NO TOLERANCE.

4. Crankshaft - Factory stock for engine running or Scat part # 4-350-3480 or Eagle part # ESP103503480 & ESP103523480 only. NO CUTTING ALLOWED.

5. Rods - Factory stock for engine running OK. NO WORK ALLOWED OF ANY KIND. May run any rod bolt. May run Eagle rod part #ESP5700BPLW or Scat part # SCA-25700P. Floating pin OK.

6. Pistons - May use any flat top or dish stock replacement piston, forged or Hypereutectic. Flat top piston must have 4 valve reliefs (factory). No custom machining allowed, must use standard (wide) ring package 5/64th", 5/64th", 3/16th". Coating on skirts OK.

7. Intake - Option 1 - Factory stock, cast iron, low rise only. Valley pan OK. Must weigh 3100 lbs. after race with driver. Option 2 - Edelbrock part #5001, must weigh 3200 lbs after race with driver. Must remain box stock, no alterations. 1" aluminum open carb spacer allowed.

8. Heads - Factory stock, cast iron OEM straight plug only, screw in studs allowed, must be 3/8" STD. No high performance or double hump allowed. NO BLEND WORK ALLOWED. No less than 70 CC. Competition Valve job OK, may not bore below guide boss. May run roller rockers 1.5 ratio for Chevy, 3/8 & 7/16 stud, no stud girdles allowed. Buy rule $225. For other engine manufacturers, stock rocker ratio. Any steel valve spring. Any steel retainer. POLYLOCKS OK. GUIDE PLATES OK. Stock diameter stainless steel valves OK. May run Dart Head SS #10024361 but cannot alter anything other than the following: Must weigh 3350 after the event with dart heads and may not use the edelbrock part #5001. May run the 2101 or 7101 intake with 1" open spacer only with 2101. No porting or polishing intakes.

* May clean the exhaust tip out of the chamber head.

* 64 CC MIN chamber volume.

* Any stainless valve - 11/32" stem - 1.940 intake - 1.500 exhaust - 65 CC exhaust runner. No titanium keepers, retainers, etc.

* Any valve spring, but cannot exceed over 1.280 MAX. Steel retainers and keepers only. Stud mounted rocker arms only - 1.5 ratio. Cannot cut in the pocket.

* Intake runner volume may NOT exceed 179 CC.

* Intake runner and chamber volume will be checked at head protest.

9. Camshaft
- MUST BE Flat Tappet HYDRAULIC LIFTERS ONLY. Any timing chain. May degree camshaft. Cam must be OEM .425 maximum lift for Chevrolet; others will be .450 maximum lift.

10. Oil Pan - Any wet sump.

11. Balancers-factory stock. NO AFTER MARKET.

12. Aftermarket pulley system & belts OK.

13. Any plugs & plug wires OK.

14. No electric radiator cooling fans

15. No electric water pumps.


Exhaust System:

1. Any standard 4 into 1 collector header. Any length pipe, must stay same diameter.. No coatings allowed. No tri-y
's- No "X" or merge type pipes allowed.

2. Exhaust EVAC system OK.


Fuel System:

1. Fuel
- Track fuel ONLY. Must pass track test.

2. Carburetor - OEM Stock single line 2 barrel or 4 barrel for make. Must use stock or stock replacement gasket. May drill holes in butterflies. No spacer allowed. NO HIGH PERFORMANCE. Or may run box stock Holley 650 #4777. No 4 corner idle screws. May run 1" adapter for Holley carb. to stock manifold with no more than (2) .070" thick gaskets. May remove choke flap. May drill holes in butterflies. Must pass track gauges. May run maximum 2" air cleaner riser.

3. Fuel Pump - Stock OEM only.

4. Fuel cell MANDATORY (Mounted in metal can).

5. No cold air boxes, may cut hole in hood for air cleaner with 4 1/2" max. tall scoop or air deflector. Scoop may be no more than 4" wider than air cleaner.



1. Stock appearing distributor with stock appearing module. May lock advance and/or change springs.

2. May run brass distributor gear.


Drive Line:
1. Clutch
- Factory stock OEM style clutch. NO HIGH PERFORMANCE.

2. Pressure
Plate- Factory stock OEM style. NO HIGH PERFORMANCE

3. Flywheel - Factory stock. May resurface, No lightening. 14 lbs. min. weight. Z-28 OK.

4. Release Bearing
- Hydraulic bearings OK. May run hydraulic slave cylinder.

4. Scatter shield or 3/16
" plate around flywheel area - MANDATORY.

5. Transmission - Factory automatic or straight drive. Must have all working gears.

6. Drive
Shaft - Factory steel only. 1 1/2" minimum diameter.

7. Rearend: Stock factory or 9" Ford. Any ratio OK. Posi-traction or locked OK. Floater OK. 9" Ford mounting points must be stock type with No adjustability. 4 1/2" max - 3 1/2" min from center of axle tube to center of trailing arm bolt. (Any Additional Holes MUST Be Removed) Gun drilled axles OK. No titanium.

8. Rear Trailing Arms:

Lower: OEM rear trailing arms only, must remain stock.

Upper: May change length or relocate bolt holes for pinion angle.

Left & Right Lower trailing arms must be same length.

Left & Right Upper trailing arms must be same length.


1. Stock 4 wheel disk O
K., NO AFTER MARKET, NO ALUMINUM. Must have operational 4 wheel braking system.

2. Racing pedals OK. Brake adjusters inside of car OK.


Tire & Wheels:

1. 60 or 70 series street tire. Hoosier M500, H500 or AR 265 med racing tires allowed. N
o grooving or sipping.

2. 8" max width steel wheel.

3. Large wheel studs and lugs nuts OK

4. Beadlocks OK - Outward facing only.

NOTICE: Effective May 1, 2016 - Hoosier M500 all the way around. H500 is an optional tire.



(Two things only) $300.00 with track retaining $100.00

* Bottom end only protest: $600.

Option 1: Weigh crank/check journals, visual rod and piston from the bottom. Crank will be weighed with gear and pilot.

Option 2: Remove rod and piston from engine and visual crank/check journals in place.

* Under hood visual protest: $50.00 straight fee to look at carb and exhaust. (After heats only)

* Tire Chemical Protest: $100.00 per tire to protest. $100 per tire acceptance fee. 3 grooved strips removed from tire & sent for lab testing.

* Fuel Protest - $50.00

* Shock Buy Rule: Front $80 each. Rear $125 each.