Master cylinder outlets are 1/2-20 UNF and come with adapter fitting for 3/8-24 and 9/16-20. Master cylinder works with both disk/drum or disk/disk applications. Booster is a 7 dual diaphragm and is a great upgrade from a single diaphragm booster.
Dual diaphragm boosters offer 19% better stopping over single. Kit also includes Wilwood adjustable proportioning valve with mounting bracket and stainless brake lines. Proportioning Valve may not clear factory strut towers on 62-67 Chevy II Nova.
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