Wilwood 270-17657 XRZ Sprint 46 Spline Inboard Disc Brake Hub

The Wilwood 270-17657 XRZ Sprint inboard disc brake hub features a 46-tooth splined design engineered for high-performance sprint car applications. This hub kit provides a versatile foundation for dynamic rotor mounting in either T-nut or lug mount drive configurations using 5 x 4.875" rotor adapters.

Key Features:

• 46-tooth spline design provides precision fit for DMI and Winters spline axles
• 5-bolt rotor plate attachment system for enhanced stiffness and easy assembly/disassembly
• Optimized rotor plate design with reduced OD to ID dimension and increased material thickness
• Extended service life through improved overall stiffness and durability
• Rotor plate can be removed without disassembling axle spline saver
• Compatible with 5 x 4.875" rotor adapters for versatile mounting options

This XRZ Sprint hub represents Wilwood's commitment to precision engineering for sprint car racing applications, combining user-friendly serviceability with the structural integrity demanded by competitive racing environments.