Re: Brake Proportioning Valve?
It is factory. that is typical of 3/4T up trucks. When load is applied the lever changes the valving to the brakes for added stoping power.
Putting a lift will make it non-operational, you can remove it.
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Chris Lucas
1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
Captkaos Customs
73-87chevytrucks.com
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