WTB K20 Brake Booster - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**D.PASSMORE** · 03-18-2009, 02:25 PM

Looking for a complete set up: K20 Power Brake Booster, all brackets, linkages. Thanks

Livrat · 03-18-2009, 03:39 PM

Which year are you looking for?..
I have 67-70 C-K/20 drum brake assemblies for $50 plus shipping..
Or 71-72 C-K/20 disc brake setups for $40 plus shipping..

**PICKMUP** · 03-18-2009, 07:21 PM

I will soon have "NEW" ones that are not available anywhere else that I know of. These are NOT rebuilts. I have all the components mocked up & measured & will test run them on my trucks before selling. It should be a couple weeks.
Both 9" DD & 11" DD OEM style, not hotrod.

otsenre · 03-18-2009, 11:40 PM

Is there a difference between the 2x4 and 4x4? If so, what?

**D.PASSMORE** · 03-19-2009, 06:28 AM

Quote:

Originally Posted by Livrat

Which year are you looking for?..
I have 67-70 C-K/20 drum brake assemblies for $50 plus shipping..
Or 71-72 C-K/20 disc brake setups for $40 plus shipping..

I posted on the fly

, but I need the 71-72 set-up for DISC (prop valve) brakes. Could you post a pic of the one you have for sale?

**D.PASSMORE** · 03-19-2009, 10:38 AM

Quote:

Originally Posted by otsenre

Is there a difference between the 2x4 and 4x4? If so, what?

Not sure, I just want to make sure it fits the truck, exactly. Maybe some one else can chime in or do a forum search and see if it has been addressed.

Livrat · 03-19-2009, 11:04 AM

otsenre both the 2WD and 4X4 versions are the same,

67-72 1/2 ton Boosters and brackets only are the same..
Master cylinder, steel lines and combination valves are 67 - 70 only (drum brakes)..
And 71- 72 only, proportioning valve, steel lines and master cylinder, (disc brakes)

67-70 3/4 tons are the same (the 67-70 3/4 ton small dia dual diaphram will work with the 1/2 tons disc brake setups.

71 - 72 3/4 tons are the same..

D.PASSMORE I will snap some pictures today at the shop and post them this eve..

otsenre · 03-19-2009, 11:23 AM

Thanks, because I have one off a 72 c/30, and I have the one I need for my 72 4x4 (I hope)

Livrat · 03-19-2009, 11:53 PM

Pics as promised..

**D.PASSMORE** · 03-20-2009, 06:27 AM

Looks good, send me payment instructions. Thanks

Livrat · 03-20-2009, 12:22 PM

Quote:

Originally Posted by D.PASSMORE

Looks good, send me payment instructions. Thanks

PM sent

03-18-2009, 02:25 PM	#1
D.PASSMORE One of the First Join Date: Jan 2000 Location: St. Augustine,FL. Posts: 4,054	WTB K20 Brake Booster Looking for a complete set up: K20 Power Brake Booster, all brackets, linkages. Thanks __________________ DAVID PASSMORE ST AUGUSTINE ,FL ZIP 32084 '71 SWB K/10 CUSTOM DELUXE (Chili) '72 BLAZER K/5 Muscle Truck (Mule) '72 LWB K/20 CHEYENNE (Blackie)

03-18-2009, 03:39 PM	#2
Livrat Member #1049 Join Date: Jun 2000 Location: Troy Montana Posts: 3,940	Re: WTB K20 Brake Booster Which year are you looking for?.. I have 67-70 C-K/20 drum brake assemblies for $50 plus shipping.. Or 71-72 C-K/20 disc brake setups for $40 plus shipping..

03-18-2009, 07:21 PM	#3
PICKMUP "Trucks with Class" Join Date: Jul 2000 Location: OLYMPIA, WA, USA Posts: 8,135	Re: WTB K20 Brake Booster I will soon have "NEW" ones that are not available anywhere else that I know of. These are NOT rebuilts. I have all the components mocked up & measured & will test run them on my trucks before selling. It should be a couple weeks. Both 9" DD & 11" DD OEM style, not hotrod. Last edited by PICKMUP; 03-18-2009 at 07:23 PM.

03-18-2009, 11:40 PM	#4
otsenre Registered User Join Date: Feb 2007 Location: Colorado Springs, Co Posts: 1,939	Re: WTB K20 Brake Booster Is there a difference between the 2x4 and 4x4? If so, what?

03-19-2009, 11:04 AM	#7
Livrat Member #1049 Join Date: Jun 2000 Location: Troy Montana Posts: 3,940	Re: WTB K20 Brake Booster otsenre both the 2WD and 4X4 versions are the same, 67-72 1/2 ton Boosters and brackets only are the same.. Master cylinder, steel lines and combination valves are 67 - 70 only (drum brakes).. And 71- 72 only, proportioning valve, steel lines and master cylinder, (disc brakes) 67-70 3/4 tons are the same (the 67-70 3/4 ton small dia dual diaphram will work with the 1/2 tons disc brake setups. 71 - 72 3/4 tons are the same.. D.PASSMORE I will snap some pictures today at the shop and post them this eve..

03-19-2009, 11:23 AM	#8
otsenre Registered User Join Date: Feb 2007 Location: Colorado Springs, Co Posts: 1,939	Re: WTB K20 Brake Booster Thanks, because I have one off a 72 c/30, and I have the one I need for my 72 4x4 (I hope)

03-19-2009, 11:53 PM	#9
Livrat Member #1049 Join Date: Jun 2000 Location: Troy Montana Posts: 3,940	Re: WTB K20 Brake Booster Pics as promised.. Attached Images

03-20-2009, 06:27 AM	#10
D.PASSMORE One of the First Join Date: Jan 2000 Location: St. Augustine,FL. Posts: 4,054	Re: WTB K20 Brake Booster Looks good, send me payment instructions. Thanks



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