The maximum legal driver club head size is 460cc.
The COR (coefficient of restitution) rating also has to be under .830.
The maximum driver club head size which players are allowed to use in tournaments is determined by the USGA.
Drivers not allowed by the USGA can have a size up to 750cc, or more.
Larger driver head sizes seem to give players a little more distance and also seem to be more forgiving.
Originally driver heads were made out of wood.
In 1979 TaylorMade introduced the first steelhead driver into the market.
Titanium driver heads have been around since the early 1990s.
Updated: 14-Nov-2022 | Email feedback to this question