[HandOverFist]

REAR END
Original rear end may be replaced with another from the same
automobile manufacturer; truck rear end prohibited. Aluminum
center section permitted only on vehicles that were originally
equipped with same." Distance between backing plates may not
be changed." Any gear ratio that fits third-member case or
housing permitted. Limited-slip or ratchet-type rear ends
permitted. Reinforcement of spring perch permitted. Spools
permitted only with aftermarket axles. Aftermarket axles not
required for front-wheel-drive vehicles. Larger brakes may be
used." Replacement rear end may be narrowed or widened to
obtain original rear-end width." Bracing or beefing up the rearend
housing permitted.