Allstar Performance Extended Length Swivler Spring Cup R060004XXL Cast iron master cylinder features

Cast iron master cylinder features a deep hole piston for use with manual or power brakes

The backbone of the product is the patent pending Tension Neutralizing Tether (TNT)

(1) Bottle Head

Are your standard cheek pads a little too tight or a little too loose

Allstar Performance Extended Length Swivler Spring Cup R060004XXL Cast iron master cylinder featuresExtended length cup helps keep spring centered. Also keeps spring from falling out on some modern day long drop suspension packages. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar