Permatex Sensor Safe Blue RTV Silicone Gasket Maker (3 oz.)
The original Blue. Will not foul oxygen sensors. Replaces almost any cut gasket. Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating. Coats pre-cut gaskets to increase reliability. Temperature range -65F to 500F intermittent; resists auto and shop fluids. First generation 1970-1980 gasket maker. By Permatex.
Merchant: Auto Barn