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Just replaced my PING CUSTOM FIT G400 10.5 driver ( WITH Kurokage 60 reg ) to GD AD IZ 47 gram R1( tipped 3/4") and increase o/a length from 45 to 45.75.
SS is 85-87 mph . - increase in distance is 15- 17 yards. Stock head was 202 grams ; changed the weight down to keep D3 swing weight. Ball used is the Bridgestone B SERIES Rx. This ball kicked out the chrome soft and TP5 X I had been using. Finished cpm is 235 at 45.75 "