Distributors must be OEM replacement. Hi-output coils are allowed. No MSD or similar ignition systems, no driver adjustable timing devises allowed. Electrical systems will produce a maximum of 14 volts. Alternators are optional.
Air cleaners are mandatory.
All air cleaners will be securely bolted to the carburetor with some type of lock washer or lock nut. F. Drive Train 1. Locked rear end only. You may weld the spider gears or use a steel mini- spool. No full spools or aluminum spools.