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13 1/2" x 15" 4-Blade Polished Stainless PolaStorm Propeller with 13 tooth PolaFlex Hub Bush Kit: Evinrude 40 to 140hp Outboards


13 1/2" x 15" 4-Blade Polished Stainless PolaStorm Propeller with 13 tooth PolaFlex Hub Bush Kit: Evinrude 40 to 140hp Outboards


A high-quality propeller makes a huge difference in how your boat feels & performs. PolaStorm propellers have an enviable reputation around the world and we are proud to be the sole distributer for UK & Ireland. Direct purchase from the manufacturer allows us to offer you excellent value for money.

TorqueMaster Series propellers features: 

  • 4-Blade design offering great thrust and stern lift
  • Progressive pitch allows superior acceleration and midrange performance
  • High blade rake provides great bow lift - ideal for forward cabin craft
  • Spiral flute exhaust design
  • Stainless steel construction reduces blade flex and ensures lower planing and cruising speeds can be maintained

PolaFlex R&D Team specify ASTM A890-4A duplex stainless steel. This is heat treated to create a tensile strength of up to 750 Mpa with enhanced anti corrosion properties.


  • Material: Polished Stainless Steel
  • Blades: 4
  • Diameter: 13 1/4"
  • Pitch: 15"
  • Hub: 4 1/4" (various 50-130hp outboards)
  • Spline 13 Tooth

PolaFlex high quality propeller bushes are constructed from rubber (not cheap hard plastic) to aid softer shifting into gear, reduce vibration and improve impact deflection. They have tough brass bronze splines, not aluminium as found with lesser brands. This F31 Polaflex kit is supplied with bush plus front and rear washers and a split pin to suit the following Evinrude 4 1/4" diameter gearcase outboards & Cobra Stern Drives with 13 tooth spline: 

Evinrude E-TEC Outboards

  • 40HP E-TEC: 2004-newer
  • 55HP E-TEC: 2009-newer
  • 60HP E-TEC: 2004-newer
  • 75HP E-TEC: 2004-newer
  • 90HP E-TEC 2004-newer (not V4 HO model)

Evinrude 2-Stroke Outboards

  • 45-55HP 2 Cyl: 1971-1999
  • 50-55HP 3 Cyl: 1968-1969, 1994-1999
  • 60HP 3 Cyl: 1970-1971,1986-2001
  • 65HP 3 Cyl: 1972-1973,1984-2001
  • 70HP 3 Cyl: 1974-2001
  • 75HP 3 Cyl: 1975-1984
  • 85HP: 1969-1980,1991-1995
  • 88HP: 1981-1996
  • 90HP: 1981-newer
  • 100HP: 1979-1980,1988-1993
  • 110HP: 1986-1989
  • 112HP: 1994-1996
  • 115HP: 1973-newer
  • 120HP: 1986-1994
  • 125HP: 1971-1972
  • 135HP: 1973-1976
  • 140HP: 1977-1984,1986-1994

COBRA Stern Drives

  • Model 400 1978-1991


  • If you're not sure about your purchase, please contact us before ordering
  • Grease the propeller shaft before fitment

With over 12 years experience, PolaStorm propellers have built an enviable reputation across the World. Quality consciousness is at the heart of PolaStorm's success. Inspections are carried out on every propeller during Casting, Machining, Painting and Packing. Analysis equipment such as Coordinate Measuring Machine, Rubber Torque Tester, Hardness Tester and Dynamic Balance Machine are used to ensure the best quality products are supplied to the market.

Buy with confidence from a UK company who were established in 2014, have 30 years experience, and supply much of the UK & Irish Marine Trade.

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