Valco Hylomar - Blue Medium 1.5 oz. Tube & Nozzle 23-TR1-N-4XS 595F dry - 421F wet

595F dry - 421F wet

Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter

A new digital module lets you select from nearly 100 different advance curves

Designed to be used on engines with a 3/4"-16 filter thread

Guaranteed not to blow out or leak

Valco Hylomar - Blue Medium 1.5 oz. Tube & Nozzle 23-TR1-N-4XS 595F dry - 421F wetHylomar(R) is a polyester polyolbased compound that turns from a gel into flexible putty within minutes of application. Originally developed by Rolls Royce, where it performed under the most stringent aerospace tolerances, Hylomar brings superior qualities to automotive applications. Its non hardening formula maintains seal integrity even when subjected to thermal distortion and vibration. Hylomar is impervious to oil, gasoline, glycol and other