low-mount radiators to bleed off air · unit can be flipped 180° for either right or ... 1/2 npt fitting for installing water temperature sending unit and two 1/4 npt fittings ... llerneck replacement parts filler neck only for std size radiator ... ,63470,and63480 · reduces radiator temperature · decreases the surface tension of ... coolant prc bolt-on billet filler neck part ... thermostat then modifies it to function properly in high rpm high/low applications part ... · helpstostopoverheating.re duceswater temperatureupto40° pro-blend 40 below and cracked blocks ... in sub freezing temperatures part price mor 35520 $14.99 · ... /16 tallwidth1/2 nptportfor a sendingunitand21/4 nptportsforbypasslines engine sealers ... cooling system conditioner · conditions coolant · prevents rust scale and foaming ...