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OMC  Pistons 50 HP - 75 HP (3 cylinders)

Wiseco forged pistons are superior in strength due to the inherent nature of both the aluminum alloy and the forging extrusion manufacturing process.

A PRO Piston is made of the highest quality alloys. Pro Pistons are made from high silicon aluminum alloy and meets or exceeds oem specifications. The Pro pistons are our most economical piston line.
The Pro-V Piston is made of the same alloys as the pro piston adding a gray moly coating. Moly reduces friction during the critical break-in period and helps dissipate heat as well.
*All pistons are sold with wrist pins, rings, and clips (unless noted).
**All piston kits include one piston only.
Model Cyl. Piston Size Bore Size Wiseco Pro Parts Pro-V cart.gif (2032 bytes)
50HP  1995-2000;

  60HP 1989-99;

65HP 1987-91;

70HP 1986-99

 

3 STD 3.187 3172PS - -

- - 7200V

- 7200  -

020 3.207 3172P2 - -

- - 7220V

- 7220  -

030 3.217 3172P3 - -

- - 7230V

- 7230  -

040 3.227 3172P4 - -

60HP 1986-88;

65HP  84-86 Commercial       (*Note: Will fit most 65HP    Commercial 72-75 with a WP15-1 wrist pin bearing )

70 HP and 75 HP    1976-85  (*Note: Will fit  72-75 with a WP15-1 wrist pin bearing)

 

 

3 STD 3.000 3115PS - -

- - 1500V

- 1500  -

020 3.020 3115P2 - -

- - 1520V

- 1520  -

30 3.030 3115P3 - -

- - 1530V

- 1530  -

040 3.040 3115P4 - -