-16AN WATER NECK ADAPTER - BLACK Category_IGNITION CONTROL Long Thread Length : 20

Long Thread Length : 20

these 210cc cylinder heads are ideal for operating in the idle to 7500 rpm range

THESE HEADS HAVE A PERIMITER BOLT VALVE COVER

96 piece assorted sizes from -3AN to -20AN

or a show winning roadster

-16AN WATER NECK ADAPTER - BLACK Category_IGNITION CONTROL Long Thread Length : 2016 AN Water Neck Adapter Black Suits 360 Swivel Aeroflow Water Necks These AN water neck adapters from Aeroflow allow the use of AN hose and fittings for radiator hose applications. Specifically designed for use on all 360 degree swivel thermostat housings from Aeroflow Performance. Simply remove the barb fitting and screw in one of these AN adapters. 16AN Adapter is 52mm (2 3 16 from O ring to AN, 20AN adapter is 54mm (2 1 8 from O ring to AN.