Aeroflow Viton Rubber O-Ring Kit suit -3AN to -16AN AF178-KIT Product:Kit Contains 10 of Each Size 3/4”-16 thread insert (Gold)

3/4”-16 thread insert (Gold)

- Suits Exhaust Tube InsideDiameter - 57

4-Bolt Mainfits BB Chev Dart Big M Block With Splayed Cap Outer Studs

Take your pick from stainless steel and black oxide finished standard nuts or stainless steel Nyloc and cad plated Nyloc self-locking nuts

Aeroflow Viton Rubber O-Ring Kit suit -3AN to -16AN AF178-KIT Product:Kit Contains 10 of Each Size 3/4”-16 thread insert (Gold)Viton Rubber O Ring Kit suit 3AN to 16AN Kit Contains 10 of Each Size Brand: AEROFLOW Part Number: AF178 KIT Description: For use with Oils and Unleaded fuels. Kit contains 10 of each size, 3AN, 4AN, 5AN, 6AN, 8AN, 10AN, 12AN and 16AN.