I'm being told that the dual m/c sold by Brothers, Holley and POL part # MSTR900DRUM (built by CPP part # M-C118-L) has built in residual valves. It is also a 4 port GM m/c.
S2 Stewart2 1955.1 3100 Both Owner and P/U have lots of miles, lots of history and need LOTS of TLC Jack of several trades and experiences; Master of none
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