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Wilwood 120-7740-BK GP310 Rear Brake Caliper for Harley-Davidson Motorcycles

Manufacturer

Picture for manufacturer Wilwood

Part Number

120-7740-BK
6 reviews
Sale Price

$281.52

In Stock (10)

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Usually delivered within 2 days

free shipping

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wilwood GP310 Rear Disc Brake Caliper is engineered specifically for 1984-present Harley-Davidson motorcycles, delivering professional-grade braking performance with distinctive bolt-on styling. This billet aluminum 4-piston caliper combines racing-proven technology with custom motorcycle aesthetics.

Key Features:

  • 4-piston high-performance design for superior stopping power
  • Precision-machined billet aluminum construction for strength and weight savings
  • Stainless steel pistons reduce brake fade while resisting corrosion
  • High-temperature piston seals provide extended service life and controlled retraction
  • Drag-free operation for improved fuel efficiency and reduced wear
  • Exclusive pad anti-rattle clip for quiet operation
  • Bright-finish bleed screws and mounting hardware included
  • Black anodized finish for durable, corrosion-resistant protection
  • Brake pads formulated for wide temperature range and stainless steel rotor compatibility

Application-specific brackets are available separately for Softail, Dyna, and Touring models, featuring engineered designs that balance structural strength with clean styling. The GP310 brings Wilwood's decades of racing caliper expertise to the custom motorcycle market, offering premium braking performance with show-quality aesthetics.

very happy and everything was fast

Quick and easy, good price.

Great price and super fast shipping.

I would def order again from them great price and fast shipping.

Lowest price I could find, and I looked. I would like to get it sooner but shipping cost are more than I wanted to pay. :) The only question to be asked is "Would you shop here again?" Answer: Yes Website states "Live in-stock inventory" Part description states "7 available". Support informed this was not the case after ordering. Support informed me the item will be shipping directly from the manufacture and that that would take 1-3 days to process then ship. I emailed back a response about the Live in-stock inventory and the 7 available. Support replied with a 04/05 ship date, Specialorders confirmed. Support then informed me with the ETA of 04/05. Somehow I ended up with the part on 03/28, 8 days early. The order was placed on 03/21 so I received my order in 7 days. Website has Integrity issue. Support and Specialorders have communication issues but they somehow fixed their problems LoL. It's 03/28 and the part is installed. How can I complain?

I was able to find a part I couldn't find anywhere else, and at a reasonable price! Thank you!

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