![]() ![]() Please read these policies FULLY before ordering. Dorman 565-027 Brass Cup Expansion Plug 1-1/2 In, Height 0.570, 10 Pack Universal Fit. Dorman 555-104 Steel Cup Expansion Plug 34.3mm, Height 0.497 Compatible with Select Models, 10 Pack. Freeze plugs not only help prevent cracks in the internal engine, but they also reduce the chance of coolant starting to leak. ![]() Terms and conditions set forth in the terms and conditions linked pages above. Dorman 565-030.1: Brass Cup Expansion Plug 1-5/8 In, Height 0.519. COMP CAMS Freeze Plug, Complete Engine, Brass / Steel, GM LS-Series, Kit Description Additional information Brand Reviews Related products DURA-BOND Front. This kit includes four large and four small plugs, enough to do one complete engine (two cylinder heads.) Fits all 1963 and later big block Mopar applications, such as cylinder head casting numbers:īy accessing and using this site, and/or ordering any merchandise from us, you agree that you have read and are bound by the policies, Dorman AutoGrade Expansion Plug - 02523 Part : 02523 Line: MTM 0.0 (0) Limited Lifetime Warranty Depth (in): 0. The heater leads are connected to the brass ter- bottom of the primer. These are made from brass, which offers a big upgrade in corrosion resistance from the factory steel plugs. The operation of the Stalit plug is simple the current is switched on a minute. We now offer a kit to replace the freeze plugs in factory iron big block Mopar heads. GM installed steel freeze plugs originally because they are cheap. I don't ever recall having to change a second set of core plugs in any motor that I've every replaced them all and cleaned the block out of.Ĭhanging all the core plugs is a pita when the motor is in the car.Cylinder Head Freeze Plug Kit - Brass-440 SourceĬylinder Heads & Components > Cylinder Head Components > Cylinder Head Freeze Plugs This brass freeze plug Set fits every Oldsmobile V8 engine produced from 1964-1984. Then I reinstall new steel core plugs with sealant. ![]() Also, after I pull out all the old plugs, I scrape out as much of the crud around the cylinder walls as I can, then flush the block with water until it runs clean. The worst two are the two at the back of the motor inside the trans bell. When I took the short cut, and the 2nd one rots through, I usually change the rest of them. Seldom have I gotten away with just changing one plug. Now available from MACs This is a high-quality brass freeze plug made for the cylinder water jacket of your Model T. Whatever it is, I know they use the same stuff around their cam bearings when they install the cam bearings. Kind of looks like that Indian Head stuff by permatex. I also have discovered that when one plug rots through, more will follow very soon. freeze plugs The machine shop near me that has been building race engines since the 1950s uses Brass freeze plugs and they use some sort of a shellac to seal them in. I've replaced a lot of freeze/core plugs and have dug out a pretty large amount of sand in the process. Sealed Power 381-6013 BRASS 1-1/2' Engine Freeze Expansion Plug Brand New 8.00 a.b. My guess would be that getting the sand out of the block after casting may have been pretty hap-hazard, sometimes I've wondered how effectively that really was really done. I've had lots of 318s, as for the "plugs" protecting the block from freezing, the odds are not so good, probably less then 25% to the good. BrassCraft® products are available throughout the United States, Canada and in parts of Central and South America. Freeze plugs? Core plugs? Yep, one of them. ![]()
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