BA Velocity Stack - Red - Evolution Big Twin/Twin Cam ELECTRICAL_MOTOGADGET Gray-colored aluminum oxide-based ceramic materials

Gray-colored aluminum oxide-based ceramic materials on rear of backing plate keeps heat away form caliper pistons  and fluid in extreme conditions for fade-free performance

THREAD SEALANT

Rear-facing cheek pad reflective panels

Replaces OEM numbers 50003-89B

'14+ Street Glide models

BA Velocity Stack - Red - Evolution Big Twin/Twin Cam ELECTRICAL_MOTOGADGET Gray-colored aluminum oxide-based ceramic materialsAllows customers to further customize their BA air cleaner color combination Fade resistance finish to keep the color looking strong through the years 1 3 8" Velocity Stack for use with BA Air Cleaners Manufacturer Part Number: 5607