Weber carburetors. Four cylinder head bolts per cylinder were introduced (instead of three) to cope with the added power.

These changes eventually were incorporated into the Ferrari road cars, beginning with the 250 GT SWB and the 250 GT Series II Pininfarina cars.

275

The final 58.8 mm Colombo Ferrari was the 275. It used a 3286 cc variant of the V12 with a wide 77 mm bore for up to 300 PS.

330

The 1960 400 Superamerica replaced