Master cylinder CJ2a, CJ3a, CJ5 -805223
for late CJ2a and all CJ3a, CJ3b, and CJ5 jeeps with the L134 or F134 engine
best practice: replace gaskets 637604 and 637606 when replacing master cylinder
NOTE:
both mounting holes are NOT threaded, and measure 3 3/8 center to center, early CJ2a has one hole threaded and measure 3 1/8 center to center on the mounting bolts