The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - hydrobooster & master cyl from 2009 GM. do i need a proportioning valve?

**Hidesertchevy** · 01-03-2022, 01:14 AM

Yes you need one for disc disc or an adjustable one.

01-03-2022, 01:14 AM	#2
Hidesertchevy Senior Member Join Date: Mar 2017 Location: yucca valley Posts: 279	Re: hydrobooster & master cyl from 2009 GM. do i need a proportioning valve? Yes you need one for disc disc or an adjustable one.