Shaquille O'Neal had the most games in the NBA Finals with 40+ points and a field-goal percentage of 60.0 or above, with 4 games.

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most nba finals games with 40 points on 60% shooting
Interpreted as:
most NBA finals games by a player with 40 or more points on 60% or higher shooting
Shaquille O'NealShaquille O'NealNBA Finals416763.045.841.818.
Giannis AntetokounmpoGiannis AntetokounmpoNBA Finals313364.340.144.313.
LeBron JamesLeBron JamesNBA Finals28166.744.040.513.
Devin BookerDevin BookerNBA Finals14260.738.542.
Jimmy ButlerJimmy ButlerNBA Finals14070.044.940.
Kevin DurantKevin DurantNBA Finals14365.243.343.
Kyrie IrvingKyrie IrvingNBA Finals14170.839.841.
Russell WestbrookRussell WestbrookNBA Finals14362.545.543.
Charles BarkleyCharles BarkleyNBA Finals14261.546.
Michael JordanMichael JordanNBA Finals14660.942.
James WorthyJames WorthyNBA Finals14065.446.
Magic JohnsonMagic JohnsonNBA Finals14260.947.
Kareem Abdul-JabbarKareem Abdul-JabbarNBA Finals14066.741.
Wilt ChamberlainWilt ChamberlainNBA Finals14574.
Jerry WestJerry WestNBA Finals14561.347.
Bob PettitBob PettitNBA Finals14060.946.
StatMuse has game-level data for field-goal percentage going back to the 1956 Finals.