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WSM PISTON ASSY B. B. L/R.20

$ 197.10

In stock

PISTON ASSY B. B. L/R.20

Part #: 09100277

WSM quality guaranteed.

Available for ship to store or drop ship.


Free Shipping on New Part orders over $100

WSM PISTON ASSY B. B. L/R.20

Product Specifications

Weight 0.75 lbs
Part Number

09100277

UPC Code

865369039944

Punctuated Part Number

0910-0277

Vendor Part Number

505205685

Vendor Punctuated Part Number

50-520-5-685

Commodity Code

0910

Commodity Group

ENGINE GROUP

Commodity Type

PISTON & RING KITS

MPN

09100277

Brand

WSM

UPC

865369039944

Available Since

January 14, 2004

Product Description

Knobtown Cycle brings you the WSM PISTON ASSY B. B. L/R.20, built for riders who demand quality and reliability.

Key Features

  • Coated with MOS2 for high performance and heat absorption
  • Ported to match WSM Banshee sleeves
  • Made in Germany

Product Specifications

  • Part Number: 09100277
  • Brand: WSM
  • Weight: 0.75 lbs
  • UPC: 865369039944

Professional Installation Available

Buy online or visit our Kansas City showroom. Contact us for installation service options! Free Ship to Store!

Part Locations

Location Available
Wisconsin (WI) 3
New York (NY) 0
Texas (TX) 0
Nevada (NV) 0
North Carolina (NC) 0
National Total 3

Stock levels last updated: January 30, 2026 8:09 PM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.


Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation?  Our Service Department based in Kansas City, Missouri is here for you.  Fill out a Service Request and lets get you rolling!