A Factory OE distributor rotor with correct cut-outs to support Marelli S124 series distributors as found in 1968-70 124 Spider and Coupe with S124 distributors.
Notice the cut-out for flyweights and hollow area in the center.
Also applicable to Fiat 850 with S118 distributors.
Condition: OE NOS
Original Equipment New Old Stock
New and unused.