The 250’s and earlier cars used the tubular screw type jacks made by three or more manufacturers. The small tubes in the lower valence panels of the cars were a weak point and these jacks should be kept in the old tool bags and not used as they are likely to damage the cars. These are the chrome-plated plugs for the jack holes on the side of the cars. Jack Hole Plugs…4 per car.
This one is for the 250 P.F. and Scaglietti cars. The hole in the firewall is 62mm and the hole for the steering shaft is 37mm. 250 Steering Shaft Grommet
Most of the 250 and later cars used a small slotted jam nut to secure the gear shift knob. These are beautiful reproductions in brass with a chrome-plated finish. Gear Shift Knob Jam Nuts