PRO STOCKS
(1) Engine:
(A) The center of the forward most plug hole shall be no further back than the upper ball joint centerline.
(B) Engine must be cast iron with exception of intake and exhaust manifolds.
(C) Single plane intakes O.K.
(D) No Zoomies, No 180’s.
(E) OEM heads and block.
(F) Spec un-altered heads are, for Chevy, World Products Sportsman II Part # WRL-011150-1 and for Ford, World Products
Windsor Sr. Part # WRL-053040-1.These heads may be purchased at Summit Racing Equipment with these part numbers. These
part numbers must be able to be read on the front and rear of the heads and be the original numbers from the factory. No other
after market heads such as, but not limited to, Dart, or Brodix Phase and Bow tie are allowed
(G) Engine must use factory mount bosses. Accessories can be changed.
(H) Electronic ignitions O.K.
(I) No fuel injection.
(J) Maximum 800cfm carburetor. No exotic carburetors including,
but not limited to, Predators and Dominators, etc.
(K) Minor radiator protection is allowed and must be made of same roll bar material.
(L) No dry sumps.
(M)Race fuel O.K. No Methanol
(N) All cars are subject to inspection at any time and may require the
removal of some components.
(2) Transmissions:
(A) OEM Transmissions only
(B) No competition transmissions.
(C) No ram couplers.
(D) Must have functional torque converter or clutch. 5.5inch min.
(3) Body and Suspension:
(A) Minimum
wheelbase of 104, maximum deviation side to side of one (1) inch.
(B) Car
must have a minimum weight of at least 3000 lbs. with driver after main event.
(C) Steel and aluminum
after market bodies O.K. Subject to tech approval. Performance Bodies are o.k.
(D) Body
height from center of rear tire to center of front tire can have no more than a 2’’ drop
(E) Sail panels i.e. rear door posts must end at least 12” before spoiler.
(F) Spoilers allowed but not exceeding six (6) inches in height as measured from top of deck.
(G) Spoiler
side and center supports can be no longer than 24”.
(H) Driver
must sit within one (1) foot of the original position. Driver cannot be sitting
over driveline.
(I) Front and Rear suspension must match engine. I.e. Chevy to Chevy and Ford to Ford.
(J) Frame can be homemade behind firewall
(K) 2”x
3” .095 wall box tubing or stock frame rail must run to at least the rear of the main 4 point cage. The main 4 point
cage must be attached to the frame with a min of 1.75” .095 round tubing. .
(L) Suspension must be OEM, but attachment points can be modified.
(M)Heim joints O.K. in front steering, pan hard, torque
arm, rear trailing arms and shocks.
(N) No
Bird Cages or Z links
(O) Driver must not be able
to adjust suspension from inside car.
(P) Spindle, rotors and calipers must be OEM or OEM replacement.
(Q) Pan
hard bar must be a minimum of 18” measured from center of hemi to center of heim.
(N) Racing
shocks can be used and re-mounted but cannot be coil over type. Weight jacks
or coil over eliminator OK
(O) No
more than four (4) shocks per car
(P) Steel Non-adjustable (while bolted on car) tubular upper control arms with heims O.K.
(Q) Rear differential may be full float, no cambered rear ends.
(R) Ford nine (9) inch rear-ends O.K.
(S) No camber, quick-change or aluminum housing.
(T) Steering quickeners O.K.
(4) Tires and Wheels:
(A) Tires must
be approved Hoosier track tires 8.0/26.5-15, 8.0/27.0-15 500 S.T.A.R.T. Towel
City Re-treads 66 or 66
A Compound ok.
(B) Tire may not protrude more than four (4) inches past the bodywork
(C) One Bead lock allowed.
(D) Any steel wheel allowed. No spacers wider than one (1) inch allowed.
(E) Wheel stud threads must protrude from lug nuts.
(F) Bleeder valves. O.K.
(G) No tire softening of any kind allowed.