Elring Dirko brand Permanently Elastic; 85g Tube - Rated to 600 F
Dirko sealing compound is permanently elastic, cold vulcanizing, silicone-rubber based. Can be used for connecting joints, cylinder head, crankcase, oil sump, timing case, thermostat, water pump, transmission, axles, differential, radiator, chassis.
Very High Temp Engine Sealing Compound
$12.75
SKU:
TUL-DIRKO 
Product Details
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$8.45
Loctite Metal Flange Gasket Maker - Small Tube ( 6 ml )
Very best sealant for differential covers and other flat mating surfaces that do not use a gasket. Will not deteriorate like silicone RTV
Here is my all-time favorite gasket maker and sealant. You may already know how I feel about RTV silicone products (I think they should be outlawed!). We have had a number of our customers ask us where to get this so we decided to offer it on our website.