SKU:
Osculati-52.584.02
$ 98,36
1-2 weeks delivery time
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Osculati 52.584.02 is a Polastorm Hub Kit F31 designed for BRP outboards including Johnson and Evinrude models ranging from 40 to 140 HP. This hub kit features a 13-tooth broaching and fits mid-size gearcases with a 4 1/4" (108 mm) diameter. Built for durability and high-torque performance, it ensures secure spline alignment and smooth propeller operation. Compatible with aluminum and stainless steel Polastorm propellers using the F31 insert system, this kit includes all necessary components for reliable installation and vibration-dampening performance.
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Osculati 52.584.02 – Polastorm Hub Kit F31 for BRP, Johnson, Evinrude 40–140 HP, 13 Teeth Broaching, 4" 1/4 (108 mm)
The Osculati 52.584.02 Polastorm Hub Kit F31 is engineered for BRP, Johnson, and Evinrude outboards with engine outputs from 40 to 140 HP. Featuring a 13-spline broaching and compatible with 4 1/4" (108 mm) gearcases, this hub ensures accurate torque delivery and protects the driveshaft splines from premature wear. It absorbs vibration and shock during gear transitions, offering smoother handling. The F31 kit is suitable for both aluminum and stainless steel Polastorm propellers and includes all components needed for a secure and long-lasting installation.
Kit Composition:
- Tear stopper
- Thrust stop
- Front washer
- Spacer
- Locking nut
Key Features:
- For BRP (Johnson, Evinrude) outboards from 40 to 140 HP
- 13-spline broaching (F31 type)
- Fits gearcase diameter: 4 1/4" (108 mm)
- Compatible with Polastorm aluminum and stainless steel propellers
- Protects drivetrain from vibration and torque shock
- Ideal for recreational and light-duty commercial use
Technical Specifications:
Item Code Osculati 52.584.02 Model F31 Gearcase Diameter 4 1/4" (108 mm) Number of Splines 13 Compatible Engine Brands BRP, Johnson, Evinrude Recommended Engine Power 40–140 HP Included Components Tear stopper, thrust stop, front washer, spacer, nut Documents
Osculati Catalogue 2025 - page 1045 Size: 107,2 Kb -
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