Valco Hylomar - Blue Medium 1.5 oz. Tube & Nozzle 23-TR1-N-4XS A new digital module lets

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

1979-2000 GMC K3500

595F dry - 421F wet

Dodge / Plymouth 1962-78

Valco Hylomar - Blue Medium 1.5 oz. Tube & Nozzle 23-TR1-N-4XS A new digital module letsHylomar(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