50 Cell Per Inch Metallic Catalytic Convertor 3" O.d Chev SBC -20an adapter is 54mm (2-1/8”)

-20an adapter is 54mm (2-1/8”) from O-ring to an

Part Number : PFETH-CSP

compared to typical steel line

for rear sump applications use part number af64-2084blk

This Aeroflow Performance billet thermostat housing is specifically designed to suit Nissan RB20

50 Cell Per Inch Metallic Catalytic Convertor 3" O.d Chev SBC -20an adapter is 54mm (2-1/8”)Part Number: AF9586 3000 's universal catalytic converter is a metallic substrate material encased in a full brushed 304 stainless steel round bodydesigned for Aeroflow performance exhaust systems theses hi flow50 cells per inch honey comb converters are very low restriction so they don't loose horsepower.