Wilwood 140-10178-P GP310 Motorcycle Rear Sprocket Disc Brake Kit Polished 48-Tooth R/H

The Wilwood 140-10178-P is a GP310 Motorcycle Rear Sprocket Brake Kit designed for right-hand caliper mounting with a 48-tooth sprocket and a bright polished finish. Built for V-Twin custom applications, this kit delivers serious stopping power with show-quality looks.

At the heart of the kit is the billet aluminum GP310 four-piston caliper, engineered to deliver strong, consistent clamping force. The sprocket-rotor assembly uses a 5 x 3.25-inch bolt circle, which is consistent across Harley-Davidson models, making integration straightforward on a wide range of custom builds.

Key Features:

• Right-hand (R/H) caliper mount configuration
• 48-tooth sprocket design
• Billet aluminum GP310 4-piston caliper
• Bright polished finish for show-quality appearance
• 5 x 3.25 in. sprocket-rotor bolt circle — consistent across Harley-Davidson models
• Compatible with V-Twin applications with a 0.750 in. axle
• Unique bracket design combines strength and style for custom builds

Wilwood's sprocket brake kits feature a purpose-built bracket design that integrates cleanly into custom motorcycle builds without sacrificing structural integrity. Whether building a show bike or a performance street machine, the 140-10178-P delivers OEM-grade reliability with aftermarket aesthetics.