Turning Point Express® Mach4™ - Left Hand - Stainless Steel Propeller - EX1/EX2-1321-4L - 4-Blade - 13" x 21 Pitch or larger have molded reinforcing

or larger have molded reinforcing ribs on the outside

Fundamental frequency 375+/-15Hz

modern design

YAMAHA Tilt Trim Motor 6D8-43880-09

Turning Point Express® Mach4™ - Left Hand - Stainless Steel Propeller - EX1/EX2-1321-4L - 4-Blade - 13" x 21 Pitch or larger have molded reinforcingExpress Mach4 Left Hand Stainless Steel Propeller EX1 EX2 1321 4L 4 Blade 13" x 21 Pitch The Prop that put the four in Perfourmance! Turning Points Four Blade revolutionized the propeller market when it was introduced. No one had ever produced a state of the art Swept Cleaver design for 40 150hp applications. These props re wrote the rules, proving that you can run a four blade that has unprecedented hole shot, handling, and rough water stability