Female -4 an To Male -4 an Blue Female To Male Extension Aeroflow Fittings Fuel Etc.. Also includes the plastic spacer

Also includes the plastic spacer tohold the epdm rubber disc in place on the cap

this Aeroflow performance billet thermostat housings is specifically designed to suit ford cleveland 351 engines andis factory oem direct replacement

High quality finish

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications

This is designed to suit nissan rb20

Female -4 an To Male -4 an Blue Female To Male Extension Aeroflow Fittings Fuel Etc.. Also includes the plastic spacerPart Number: AF952 04 female to male an extension. this extension has a femaleand male an flare end. 4 to 6 extensions are 1" (25mm) and 8 to 16 are 1. 5" (38mm) in length. available in blue, black and silver.