Fittings

Whether you’re putting together a custom catch can setup, adding a boost reference, replacing brittle factory breather components, or sourcing the right AN fitting for your build, this collection brings everything together in one place. From coolant hose fittings and boost taps to breather solutions and conversion fittings, these parts are designed to make custom plumbing on the Audi 3.0T cleaner, simpler, and more reliable.

Filters
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Radium Engineering Fuel Pump Inlet Filter Sock -19mm ID

Regular price $32.95
Sale price $32.95 Regular price
Unit price
Fuel pump inlet filter sock for submerged fuel pumps. Fits on pumps with 19mm inlet....
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Radium Engineering V2 Quick Connect 12mm Female to 8AN ORB Male

Regular price $32.95
Sale price $32.95 Regular price
Unit price
Radium Engineering V2 Quick Connect 12mm Female to 8AN ORB Male
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Radium Engineering Electrical Bulkhead Stud Kit (Pack of 6)

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Radium Engineering Electrical Bulkhead Stud Kit (Pack of 6)
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Radium Engineering Duckbill Valve

Regular price $32.95
Sale price $32.95 Regular price
Unit price
Reduces fuel slosh noise and prevents fuel back flow
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Radium Engineering 10AN ORB Fitting to Air Filter

Regular price $56.95
Sale price $56.95 Regular price
Unit price
high strength double-layed cotton filtration element
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Radium Engineering 0-100 PSI Fuel Pressure Gauge w/ 8AN Adapter

Regular price $80.95
Sale price $80.95 Regular price
Unit price
Radium Engineering 0-100 PSI Fuel Pressure Gauge w/ 8AN Adapter
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Radium Engineering 5/16in Barb to 6AN Bulkhead Fitting

Regular price $37.95
Sale price $37.95 Regular price
Unit price
Requires a 9/16-18 threaded hole with chamfer to be drilled into the mating part for...
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Radium Engineering 5/8in Barb to 10AN FST Fitting

Regular price $37.95
Sale price $37.95 Regular price
Unit price
Radium Engineering 5/8in Barb to 10AN FST Fitting
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Radium Engineering 3 Into 1 Distribution Block w/ Fittings

Regular price $104.95
Sale price $104.95 Regular price
Unit price
Radium Engineering 3 Into 1 Distribution Block w/ Fittings
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Radium Engineering 5/16in SAE Female to 6AN Male Low Profile

Regular price $42.95
Sale price $42.95 Regular price
Unit price
Radium Engineering 5/16in SAE Female to 6AN Male Low Profile
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Radium Engineering 3/8in SAE Female to 6AN Male Low Profile Fitting

Regular price $42.95
Sale price $42.95 Regular price
Unit price
Radium Engineering 3/8in SAE Female to 6AN Male Low Profile Fitting
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Radium Engineering Fuel Pressure Test Kit

Regular price $47.95
Sale price $47.95 Regular price
Unit price
Line and fittings for remote mounting a pressure gauge or pressure transducer. 1/8NPT compatible. Gauge...
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Radium Mitsubishi EVO X Fuel Tank Pressure Plug

Regular price $37.95
Sale price $37.95 Regular price
Unit price
For use with the Radium Engineeing Evo X fuel pump hanger. This small part plugs...
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Radium Engineering 12AN Female Fitting to Air Filter

Regular price $61.95
Sale price $61.95 Regular price
Unit price
Radium Engineering 12AN Female Fitting to Air Filter
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Radium Engineering Acorn Nuts - Anodized Aluminum - 15PK

Regular price $37.95
Sale price $37.95 Regular price
Unit price
Pack of 15 aluminum acorn nuts. 10-32 thread. Non conductive. For use with Radium electrical...
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Radium Engineering 10AN Male Swivel Banjo - 11.8MM Press Fit Fitting

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press fit swiveling low profile -AN adapter. Commonly used in valve covers. Stainless steel body...
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Radium Engineering Universal Check Valve

Regular price $66.95
Sale price $66.95 Regular price
Unit price
Universal in-line check valve. Female 8AN ORB inlet, male 10AN flare outlet. Compatible with all...
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Radium Engineering Universal Check Valve Kit 6AN

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Universal in-line check valve with adapter fittings. Can be set up for a variety of...
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Radium Engineering Universal Check Valve Kit 8AN

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Universal in-line check valve with adapter fittings. Can be set up for a variety of...
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Radium Engineering 10AN ORB to .75in Barb Roll Over Valve

Regular price $42.95
Sale price $42.95 Regular price
Unit price
Catch can fitting with integrated steel ball. This valve closes when inverted to prevent oil...
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Radium Engineering 5/16in SAE Female to 6AN Male Low Profile Elbow

Regular price $47.95
Sale price $47.95 Regular price
Unit price
Low profile adapter for SAE quick-connect lines. 90 degree elbow, converts to 6AN male. Compatible...
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Radium Engineering 3/8in SAE Female to 6AN Male Low Profile Elbow

Regular price $47.95
Sale price $47.95 Regular price
Unit price
Low profile adapter for SAE quick-connect lines. 90 degree elbow, converts to 6AN male. Compatible...
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Radium Engineering 10AN Male Swivel Banjo 17.5mm Press Fit

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press in fitting that swivels after installation. 10AN male. Made for 17.5mm hole.
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Radium 8AN ORB to 6AN ORB Swivel Union Fitting

Regular price $47.95
Sale price $47.95 Regular price
Unit price
Replacement fitting for Radium Engineering Direct Mount Regulators (Gen 2 design).
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Radium Engineering Distribution Block 12-10-10-10 With Fittings

Regular price $85.95
Sale price $85.95 Regular price
Unit price
High flow distribution block designed to work with large -10AN and -12AN lines. Can combine...
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Radium V2 Quick Connect 19mm Male to 10AN Male 90 Degree

Regular price $75.95
Sale price $75.95 Regular price
Unit price
This swivel fitting installs into the BMW B58 valve cover found on the A90/A91 GR...
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Radium Engineering V2 Quick Connect 19mm Male to 10AN Male Straight

Regular price $56.95
Sale price $56.95 Regular price
Unit price
Adapter fitting clips on to the valve cover vent fitting on the BMW B58 engine...
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Radium Engineering S14/S15 RB25DET/SR20DET 10AN Press-In Valve Cover Banjo Fitting Intake Port

Regular price $75.95
Sale price $75.95 Regular price
Unit price
This stainless steel and aluminum fitting presses into the S14/S15 Nissan SR20DET valve cover on...
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Radium RB26DETT Valve Cover Intake and Exhaust 12AN Male Press-Fit Fitting

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press-in swivel fitting with 12AN male. For use on the Nissan RB26DETT engine valve covers.
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Radium KA24DE Valve Cover Intake 10AN Male Press-Fit Fitting

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press-in fitting breather fitting for the Nissan KA24DE valve cover. 10AN male swivels 360 degrees....
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Radium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press in valve cover fittings for the Nissan S13 SR20DET (red and black top). Exhaust...
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Radium Engineering Nissan S14/S15 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side

Regular price $75.95
Sale price $75.95 Regular price
Unit price
Press-in valve cover fitting for the Nissan S14/S15 SR20DET. Exhaust side. 10AN male connection.
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