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Cylinder

$ 154.99

In stock

Cylinder

Part #: 820-51555

Harddrive quality guaranteed.

Available for ship to store.


Free Shipping on New Part orders over $100

Cylinder

Product Specifications

Weight 12.56 lbs
Dimensions 8.7 × 8.5 × 8.5 in
Part Number

820-51555

MPN

34-006

Brand

Harddrive

UPC

191361166648

MAP Policy

true

Country of Origin

China (Taiwan)

Product Description

Cylinder is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.

Key Features

  • Aluminum cylinders with cast iron sleeves for Evo and Sportster applications
  • Cast iron cylinders for Pan and Shovel applications
  • All cylinders must be finish honed and matched to pistons (sold separately)
  • Ideal for stock replacement or displacement increase on Sportsters or big bore Shovels
  • Sold each

Product Specifications

  • Part Number: 820-51555
  • Brand: Harddrive
  • Weight: 12.56 lbs
  • UPC: 191361166648

Available at Knobtown Cycle

Order online or stop by our Kansas City location. Kansas City riders since 2004!

Part Locations

Location Available
Ashley (IN) 4
Elizabethtown (PA) 0
Boise (ID) 0
Midway (GA) 3
Fresno (CA) 0
Jessup (MD) 0
Midlothian (VA) 0
National Total 7

Stock levels last updated: March 1, 2026 5:07 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!