Gardner-Westcott Chrome Brake Rotor Bolt Kit for 1984-Up Harley-Davidson Big Twin and Sportster

Gardner-Westcott Chrome Brake Rotor Bolt Kit for 1984-Up Harley-Davidson Big Twin and Sportster

Replacing OEM disc rotor bolts with Gardner-Westcott’s Torx set turns one of the most visible areas of your brake system into a deliberate design element rather than an afterthought. The Panhead-style head integrates seamlessly into period-correct builds while maintaining the precise thread engagement required for reliable rotor retention.

Key Features

• Panhead-style Torx-drive head in show chrome finish
• Three size configurations: front SAE 5/16-18 x 7/8″, front metric M8-1.25 x 30mm, and rear SAE 3/8-16 x 1″
• Fits rotors with a 3.25-inch bolt circle on cast wheel applications
• Dual disc applications require two kits per axle
• Sold as a 5-piece set per kit
• Made in the USA

Technical Specifications

• Front SAE Size: 5/16-18 x 7/8-inch
• Front Metric Size: M8-1.25 x 30mm
• Rear SAE Size: 3/8-16 x 1-inch
• Drive Type: Torx
• Finish: Chrome plated
• Bolt Circle: 3.25 inches
• Quantity: 5 pieces per kit

Fitment Notes

• Confirm your wheel is cast (not spoke) style before ordering – spoke wheel applications require a different kit
• Verify your rotor uses a 3.25-inch bolt circle before ordering
• 2014-Up FLH/FLT Touring models require the metric M8-1.25 x 30mm size; pre-2014 Touring models use the SAE 5/16-18 x 7/8-inch front size
• Dual disc applications require two kits per axle
• Review the Fitment tab for complete year, model, and size breakdown