Brake union fitting thread size - The 1947 - Present Chevrolet & GMC Truck Message Board Network

uber cool · 07-25-2015, 07:10 PM

Hi, what size is the brake fittings into the brake cylinders and twin master cylinders?

is it 1/2 20 threads and 9/16 18 threads on the master cylinder and

3/8 24 threads on the 1/4 brake pipe unions?

uber cool · 07-25-2015, 07:43 PM

sorted now, order a kit from FEDHILL

07-25-2015, 07:10 PM	#1
uber cool Registered User Join Date: Jan 2015 Location: Lancashire, UK Posts: 299	Brake union fitting thread size Hi, what size is the brake fittings into the brake cylinders and twin master cylinders? is it 1/2 20 threads and 9/16 18 threads on the master cylinder and 3/8 24 threads on the 1/4 brake pipe unions? __________________ my rides 59 GMC Apache fleetside http://67-72chevytrucks.com/vboard/s...d.php?t=684337 68 VW Westy camper Last edited by uber cool; 07-25-2015 at 07:19 PM.

07-25-2015, 07:43 PM	#2
uber cool Registered User Join Date: Jan 2015 Location: Lancashire, UK Posts: 299	Re: Brake union fitting thread size sorted now, order a kit from FEDHILL __________________ my rides 59 GMC Apache fleetside http://67-72chevytrucks.com/vboard/s...d.php?t=684337 68 VW Westy camper



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