Table of Contents
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EVO: Wheels, Brakes & Tires - Sub-02L
Rear Master Cylinder Identification
Rear Master Cylinder (42456-87B)
Used on 1992-1997, 2000-2001 Sportsters 
Bore: 3/4“ 
Body: Aluminum one piece construction 
Rear Master Cylinder (42456-87C)
Used on 1998, 2002-2003 Sportsters 
Bore: 3/4” 
Body: Aluminum one piece construction 
The only stamped number in the one below is (2327) 
1) 
, 2) 
, 3) 
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photo by cal43 of the XLFORUM http://xlforum.net/forums/showthread.php?p=5831400#post5831400












