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Orange Crate · 02-18-2026, 02:32 AM

Here is a conversation I had with Inline Tube (ILT).

ME

Can you describe the differences between these part numbers please. There
is no information on your web site. I know which kits are stainless,
thx, but what are the other details?

CTB71MC42 ,SCTB71MC44, CTB71MC44, SCTB71MC42

ILT

SCTB71MC44 is master to valve lines and the mc42 lines are master to frame lines. It will depend on what setup was originally on the truck. ( did you notice "master to valve" and then "master to frame" which eliminates the prop valve)

ME

MC42 is a kit without lines to go to a proportioning valve? Is that what you are referencing when you say "valve" All four pictures show short lines which go from the master cyl to the prop valve. Do the short lines from the master cyl to the prop valve come in the MC42 kit? (I asked the same question twice)

ILT

Michael, both contain the lines for the same positions and depending on which style is on your vehicle will determine which set you will need. (now we are back to four lines for each kit)

ME

What "style" are you referring to? I put in my information as to make model and year, so what style do I have? 1972 Chevy K20.

ILT

Michael, both styles were used on those vehicles. You will need to look at the pictures for both part numbers and then look at the original lines used on the vehicle to determine which set matches the originals and order those as there is no other way of telling.

ME

Well I still do not know what "style" you are referring to. Line "style", prop valve "style", distribution block "style", master cylinder "style". I have to replace lines I do not have so how would I choose a "style" For a 1972 K20 you have two kits in SS which is right for my truck?

ILT

Michael, both line sets are technically correct for your truck. Those trucks could use either lines depending on what was put on them from the factory. When referring to the style I was meaning of the lines. There is no way for us to determine which of the two sets your truck came with from the factory without seeing the lines.

02-18-2026, 02:32 AM	#1
Orange Crate Registered User Join Date: Feb 2011 Location: Under the Truck Dreaming Posts: 889	Its Not You Its Me Here is a conversation I had with Inline Tube (ILT). ME Can you describe the differences between these part numbers please. There is no information on your web site. I know which kits are stainless, thx, but what are the other details? CTB71MC42 ,SCTB71MC44, CTB71MC44, SCTB71MC42 ILT SCTB71MC44 is master to valve lines and the mc42 lines are master to frame lines. It will depend on what setup was originally on the truck. ( did you notice "master to valve" and then "master to frame" which eliminates the prop valve) ME MC42 is a kit without lines to go to a proportioning valve? Is that what you are referencing when you say "valve" All four pictures show short lines which go from the master cyl to the prop valve. Do the short lines from the master cyl to the prop valve come in the MC42 kit? (I asked the same question twice) ILT Michael, both contain the lines for the same positions and depending on which style is on your vehicle will determine which set you will need. (now we are back to four lines for each kit) ME What "style" are you referring to? I put in my information as to make model and year, so what style do I have? 1972 Chevy K20. ILT Michael, both styles were used on those vehicles. You will need to look at the pictures for both part numbers and then look at the original lines used on the vehicle to determine which set matches the originals and order those as there is no other way of telling. ME Well I still do not know what "style" you are referring to. Line "style", prop valve "style", distribution block "style", master cylinder "style". I have to replace lines I do not have so how would I choose a "style" For a 1972 K20 you have two kits in SS which is right for my truck? ILT Michael, both line sets are technically correct for your truck. Those trucks could use either lines depending on what was put on them from the factory. When referring to the style I was meaning of the lines. There is no way for us to determine which of the two sets your truck came with from the factory without seeing the lines. __________________ 72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks, a 5 speed AND a front hitch!



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