Ferrari 512 wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Ferrari 512 4,9L
1991	18x8.0	7.5		235/40R18 front
	18x8.0			235/40R18 front
	18x10.5	7.5		295/35R18 rear
1992	18x8.0	7.5		235/40R18 front
	18x8.0			235/40R18 front
	18x10.5	7.5		295/35R18 rear
1993	18x8.0			235/40R18 front
	18x8.0	7.5		235/40R18 front
	18x10.5	7.5		295/35R18 rear
1994	18x8.0	7.5		235/40R18 front
	18x8.0			235/40R18 front
	18x10.5	7.5		295/35R18 rear
1995	18x8.0			235/40R18 front
	18x8.0	7.5		235/40R18 front
	18x10.5	7.5		295/35R18 rear
1996	18x8.0	7.5		235/40R18 front
	18x8.0			235/40R18 front
	18x10.5	7.5		295/35R18 rear

Tire size 18 to 18, width 235 to 295 and tire aspect 35 to 40.
Smallest tire size: 235/40R18, Largest: 295/35R18.