Polaris 650 Top End Piston Rebuild Kit PWC 010-831-12 - .50mm SIZE OEM 3240091

Polaris 650 Top End Piston Rebuild Kit PWC 010-831-12 - .50mm SIZE OEM 3240091

Marsoni

M251S

$147.94

Get it in 3 business days with 1 day shipping. Friday, May 29

Polaris 650 Top End Piston Rebuild Kit PWC 010-831-12 - .50mm SIZE OEM 3240091Polaris 650 Top End Rebuild Kit. Includes 3 Pistons, all gaskets needed, upper end needle bearings rings, pins, and clips. Fits all years. . 50mm SIZE ONLY 65. 50mm Piston OEM: 3240091 Make Model CC HP Year Polaris SL 650 1992 Polaris SL 650 1993 Polaris SL 650 1994 Polaris SL 650 1995 For more information on our policies please click the Shipping and Payments tab or to ask a question click our store name for our home page.

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Charlottesville, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Jeanne Irwin

New York, US

★★★★★ 5

Lovely and sturdy for what I needed!

Size: 3 Set 4-Tier, Planks Not Included, Size: 3 Set 4-Tier, Planks Not Included

We LOVE these shelving brackets! We were moving our books from our office space to turn that room into a nursery and I needed something that would be sturdy and off the floor since my books were moving to our living room. These are extremely sturdy, and also go with our curtain rods and other furniture that has this industrial style. The instructions for assembly are simple and easy to follow, I would just ensure you have an extra set of hands (this isn’t a one person job) we ordered the 3 pack, but ended up only needing the two for the space on the wall and they still hold the weight well. Also this is a work in progress so please disregard that I don’t have the other two shelves here😂 Definitely a high quality and great looking alternative to some other brackets out there!

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Reviewed in the United States on January 17, 2026

Verified Purchase

Leslie Guffey

Whiting, US

★★★★★ 5

Shelf

Size: 3 Set 3-Tier, Planks Not Included

Bigger than I expected but very sturdy and looks great !

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Reviewed in the United States on May 13, 2026