Crower 78470X18 Features:

Crower clutch hub with 1 3/8-10 spline specification for racing clutch applications 18-rivet hole configuration helps provide secure mounting under extreme competition loads Precision-machined hub designed for high-horsepower and high-torque driveline environments Compatible with Crower Crowerglide centrifugal and pedal clutch systems

Clutch Hub, 1 3/8-10 18 R Precision-machined 18-Rivet Racing Features:

• 1 3/8 in. X 10-spline hub for racing clutch engagement and driveline fitment under high-torque competition use
• 18-rivet hole configuration for secure disc attachment, load distribution, and added durability in extreme racing conditions
• Precision-machined clutch hub for consistent spline interface, smooth installation, and dependable performance at high RPM
• Built for high-horsepower, high-torque applications including drag racing, mud racing, and tractor-pulling setups
• Compatible with centrifugal and pedal-clutch racing systems requiring a 1 3/8 in. X 10-spline, 18-rivet hub design