Fittings & Adaptors

O2 sensor bung, 304 Grade Stainless Steel. 02 Sensor (Oxygen Sensor) Weld Bung. Cut a hole in exhaust pipe and weld in place to mount your sensor a...

This fitting is designed for the Nissan Power Steering Rack Low Pressure Side to have extra long threads before it reaches the internal O-Ring seal...

This adapter is included in the latest revision (part number 702100) of the COBB Intake for the Fiesta ST. It is sold separately to allow compatibi...

A range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

A range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

A range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

A range of different sized screw-on plumb-back (recirc) fittings to suit all universal blow-off valves.

Applications: All K-series engines The K-Tuned heater hose delete cap is used to block off any unused 5/8 diameter coolant ports. They come in han...

Applications: K-series cylinder heads (w/ heater hose fitting beside the header) Some of you may be interested in deleting the heater hoses and he...

This Honda banjo fitting adapts OEM style fuel to a 6AN male fitting. This allows you to run 6AN hose straight from your stock fuel filter. This fi...

Applications: All K-series engines The K-Tuned Idle Air Assist Delete Kit will help clean up the overall look of any K-series engine by removing ...

If aren't using the OEM fan switch on your K-Tuned Swivel Neck T-stat, you will need this plug to block off the open port. Note: Swivel Neck Housi...

If you have a street car with deleted heater hoses you can remove the entire OEM plastic T-stat housing and mount the K-Tuned Swivel Neck directly...

K-Tuned Thermostat Housing Plug & Bracket Application: All K Series Engines Some of you may be interested in deleting the heater hoses and c...