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IMPORTANT: Our products are for racing and may NOT be street legal. Products in the website DON'T come directly from our store - - - - - - CONTACT US before visiting
CONTACT US before visiting to check availability. Products may not be street legal.

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Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side

Radium Engineering
Only 4 left!

Press in valve cover fittings for the Nissan S13 SR20DET (red and black top). Exhaust side. Double sided 10AN male connections.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium KA24DE Valve Cover Intake 10AN Male Press-Fit Fitting

Radium Engineering
7 in stock

Press-in fitting breather fitting for the Nissan KA24DE valve cover. 10AN male swivels 360 degrees. Stainless steel and aluminum construction.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering S14/S15 RB25DET/SR20DET 10AN Press-In Valve Cover Banjo Fitting Intake Port

Radium Engineering
7 in stock

This stainless steel and aluminum fitting presses into the S14/S15 Nissan SR20DET valve cover on the intake side and replaces the PCV valve with a ...

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Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Engineering Submersible Fuel Tubing 3/8in x 17.7in Long

Radium Engineering
Out of stock

Submersible PTFE tubing for use with submerged fuel pumps. 3/8" ID.

Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Engineering Submersible PTFE Fuel Tubing 5/16in x 17.7in Long

Radium Engineering
Only 2 left!

Radium Engineering Submersible PTFE Fuel Tubing 5/16in x 17.7in Long

Original price $269.95
Original price $269.95 - Original price $269.95
Original price $269.95
Current price $256.45
$256.45 - $256.45
Current price $256.45

Radium Engineering Toyota MK5 Supra Fuel Line Retaining Kit

Radium Engineering
Only 3 left!

Brackets for holding aftermarket high-flow fuel lines to underside of the GR Supra. Uses all factory mounting locations.

Original price $39.95
Original price $39.95 - Original price $39.95
Original price $39.95
Current price $37.95
$37.95 - $37.95
Current price $37.95

Radium Engineering V2 Quick Connect 19mm Male to 10AN Male Straight

Radium Engineering
Only 1 left!

Adapter fitting clips on to the valve cover vent fitting on the BMW B58 engine and converts to a 10AN male.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium V2 Quick Connect 19mm Male to 10AN Male 90 Degree

Radium Engineering
Only 1 left!

This swivel fitting installs into the BMW B58 valve cover found on the A90/A91 GR Toyota Supra. It allows connection of a 10AN hose.

Original price $69.95
Original price $69.95 - Original price $69.95
Original price $69.95
Current price $66.45
$66.45 - $66.45
Current price $66.45

Radium Engineering Distribution Block 12-10-10-10 With Fittings

Radium Engineering
Only 3 left!

High flow distribution block designed to work with large -10AN and -12AN lines. Can combine three lines into one. Safe for use with alternative fue...

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Original price $29.95
Original price $29.95 - Original price $29.95
Original price $29.95
Current price $28.45
$28.45 - $28.45
Current price $28.45

Radium 8AN ORB to 6AN ORB Swivel Union Fitting

Radium Engineering
Out of stock

Replacement fitting for Radium Engineering Direct Mount Regulators (Gen 2 design).

Original price $149.95
Original price $149.95 - Original price $149.95
Original price $149.95
Current price $142.45
$142.45 - $142.45
Current price $142.45

Radium Engineering 8AN Universal DIY PTFE Hose Kit - Black

Radium Engineering
6 in stock

8AN PTFE hose and hose-end fittings. 14.7 feet of hose (4.5m). Two straight hose ends, two 90 degree hose ends and two 45 degree hose ends. This h...

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Original price $129.95
Original price $129.95 - Original price $129.95
Original price $129.95
Current price $123.45
$123.45 - $123.45
Current price $123.45

Radium Engineering 6AN Universal DIY PTFE Hose Kit - Black

Radium Engineering
6 in stock

6AN PTFE hose and hose-end fittings. 14.7 feet of hose (4.5m). Two straight hose ends, two 90 degree hose ends and two 45 degree hose ends. This h...

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Original price $269.95
Original price $269.95 - Original price $269.95
Original price $269.95
Current price $256.45
$256.45 - $256.45
Current price $256.45

Radium Engineering Nissan S13/S14/S15/R32/R33/R34 Fuel / Brake Line Retainer Kit

Radium Engineering
7 in stock

Set of brackets to retain fuel lines and brake lines on underside of Nissan vehicles including S13, S14, R32, R33, R34 and more. Billet aluminum, w...

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Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering 10AN Male Swivel Banjo 17.5mm Press Fit

Radium Engineering
Only 5 left!

Press in fitting that swivels after installation. 10AN male. Made for 17.5mm hole.

Original price $39.95
Original price $39.95 - Original price $39.95
Original price $39.95
Current price $37.95
$37.95 - $37.95
Current price $37.95

Radium Dry Break Dust Cap

Radium Engineering
Only 3 left!

For use with Radium dry-break fuel cell fill receivers. Includes lanyard

Original price $49.95
Original price $49.95 - Original price $49.95
Original price $49.95
Current price $47.45
$47.45 - $47.45
Current price $47.45

Radium Fuel Fill Neck Hose Kit 1.5in Clear

Radium Engineering
7 in stock

Clear fuel filler hose. 36" length. 1.5" ID. Clamps included.

Original price $29.95
Original price $29.95 - Original price $29.95
Original price $29.95
Current price $28.45
$28.45 - $28.45
Current price $28.45

Radium Engineering 3/8in SAE Female to 6AN Male Low Profile Elbow

Radium Engineering
Only 3 left!

Low profile adapter for SAE quick-connect lines. 90 degree elbow, converts to 6AN male. Compatible with all fuel types.

Original price $29.95
Original price $29.95 - Original price $29.95
Original price $29.95
Current price $28.45
$28.45 - $28.45
Current price $28.45

Radium Engineering 5/16in SAE Female to 6AN Male Low Profile Elbow

Radium Engineering
Only 4 left!

Low profile adapter for SAE quick-connect lines. 90 degree elbow, converts to 6AN male. Compatible with all fuel types.

Original price $89.95
Original price $89.95 - Original price $89.95
Original price $89.95
Current price $85.45
$85.45 - $85.45
Current price $85.45

Radium Engineering Fuel Fill Neck Hose Kit - 1.5in ID

Radium Engineering
Only 4 left!

Flexible fuel filler hose. 3 foot long, 1.5" inside diameter. T-bolt clamps included.

Original price $24.95
Original price $24.95 - Original price $24.95
Original price $24.95
Current price $23.70
$23.70 - $23.70
Current price $23.70

Radium Engineering 10AN ORB to .75in Barb Roll Over Valve

Radium Engineering
Only 5 left!

Catch can fitting with integrated steel ball. This valve closes when inverted to prevent oil loss out of the fitting in case of an accident. Alumin...

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Original price $139.95
Original price $139.95 - Original price $139.95
Original price $139.95
Current price $132.95
$132.95 - $132.95
Current price $132.95

Radium Engineering Nissan R-35 GT-R Fuel Line Retaining Kit

Radium Engineering
Only 1 left!

Set of 5 brackets. Attach to locations on the underside of the Nissan R35 GT-R to hold fuel lines and/or battery cables or other items.This Part F...

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Original price $139.95
Original price $139.95 - Original price $139.95
Original price $139.95
Current price $132.95
$132.95 - $132.95
Current price $132.95

Radium Remote Mount Fill Neck - 24AN Elbow - 1.5in Barb

Radium Engineering
Only 5 left!

This 360 degree swiveling fill neck bolts directly on to the Radium FCST (not FCST-X) at the 6-bolt fill neck location. Hose barb elbow will accept...

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Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering Universal Check Valve Kit 10AN

Radium Engineering
8 in stock

Universal in-line check valve with adapter fittings. Can be set up for a variety of hose -AN sizes. Compatible with all fluids.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering Universal Check Valve Kit 8AN

Radium Engineering
Out of stock

Universal in-line check valve with adapter fittings. Can be set up for a variety of hose -AN sizes. Compatible with all fluids.

Original price $79.95
Original price $79.95 - Original price $79.95
Original price $79.95
Current price $75.95
$75.95 - $75.95
Current price $75.95

Radium Remote Mount Fill Neck - Straight - 1.5in Barb

Radium Engineering
Only 4 left!

Straight fill neck for 1.5" ID fill hose. 6-bolt flange. For use on Radium Fuel Cell Surge Tank systems. Integrated check valve flapper. Not compat...

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Original price $99.95
Original price $99.95 - Original price $99.95
Original price $99.95
Current price $94.95
$94.95 - $94.95
Current price $94.95

Radium Engineering 08-21 Subaru Fuel Line Retaining Kit

Radium Engineering
Only 2 left!

Bolts to underside of car to support aftermarket fuel lines. Same as brackets used in Radium fuel plumbing kit 20-0529-0X.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering 10AN Male Swivel Banjo - 11.8MM Press Fit Fitting

Radium Engineering
Only 5 left!

Press fit swiveling low profile -AN adapter. Commonly used in valve covers. Stainless steel body with anodized aluminum swiveling -10AN male fitting.

Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Engineering Acorn Nuts - Anodized Aluminum - 15PK

Radium Engineering
Only 3 left!

Pack of 15 aluminum acorn nuts. 10-32 thread. Non conductive. For use with Radium electrical studs.

Original price $44.95
Original price $44.95 - Original price $44.95
Original price $44.95
Current price $42.70
$42.70 - $42.70
Current price $42.70

Radium Engineering 12AN Female Fitting to Air Filter

Radium Engineering
Only 3 left!

Radium Engineering 12AN Female Fitting to Air Filter

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering Fuel Cell Vent Kit - 12AN

Radium Engineering
Only 4 left!

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering Fuel Cell Vent Kit - 8AN

Radium Engineering
20 in stock

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Mitsubishi EVO X Fuel Tank Pressure Plug

Radium Engineering
Only 5 left!

For use with the Radium Engineeing Evo X fuel pump hanger. This small part plugs the hole for the fuel tank pressure sensor. In some parts of the w...

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Original price $14.95
Original price $14.95 - Original price $14.95
Original price $14.95
Current price $14.20
$14.20 - $14.20
Current price $14.20

Radium Engineering Hose Separator Clamp - 2 Way

Radium Engineering
Only 4 left!

CNC machined aluminum. For 0.39 diameter tube. M6 screw included.

Original price $159.95
Original price $159.95 - Original price $159.95
Original price $159.95
Current price $151.95
$151.95 - $151.95
Current price $151.95

Radium Engineering Toyota Supra JZA80 Fuel/Brake Line Retainer Kit

Radium Engineering
7 in stock

CNC machined and anodized. Uses OEM mounting studs and hardware. No drilling required.This Part Fits: Year Make Model Submodel 1993-1998 Toyota ...

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Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering 10AN Male Swivel Banjo 13.5mm Press Fit Fitting

Radium Engineering
Only 5 left!

CNC machined aluminum and laser engraved. Stainess steel press in portion. Swivels after installation.This Part Fits: Year Make Model Submodel 1...

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Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering 10AN Male Swivel Banjo 18.0mm Press Fit Fitting

Radium Engineering
18 in stock

CNC machined aluminum and laser engraved. Stainess steel press in portion. Swivels after installation.This Part Fits: Year Make Model Submodel 1...

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Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Engineering Submersible PTFE Fuel Tubing 3/8in 6.5in Long

Radium Engineering
6 in stock

Radium Engineering Submersible PTFE Fuel Tubing 3/8in 6.5in Long

Original price $29.95
Original price $29.95 - Original price $29.95
Original price $29.95
Current price $28.45
$28.45 - $28.45
Current price $28.45

Radium Engineering Fuel Pressure Test Kit

Radium Engineering
Only 1 left!

Line and fittings for remote mounting a pressure gauge or pressure transducer. 1/8NPT compatible. Gauge sold separately.

Original price $59.95
Original price $59.95 - Original price $59.95
Original price $59.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Radium Engineering 93-02 Toyota Supra (MK IV) Fuel Filter Mount Kit

Radium Engineering
6 in stock

CNC machined aluminum and anodized black. Mounts to frame rail using pre-existing holes.This Part Fits: Year Make Model Submodel 1993-1998 Toyot...

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Original price $19.95
Original price $19.95 - Original price $19.95
Original price $19.95
Current price $18.95
$18.95 - $18.95
Current price $18.95

Radium Engineering Submersible PTFE Fuel Tubing 5/16in x 6.5in Long

Radium Engineering
Only 3 left!

Radium Engineering Submersible PTFE Fuel Tubing 5/16in x 6.5in Long

Original price $34.95
Original price $34.95 - Original price $34.95
Original price $34.95
Current price $33.20
$33.20 - $33.20
Current price $33.20

Radium Engineering Filler Neck Block-Off Kit

Radium Engineering
Only 2 left!

Radium Engineering Filler Neck Block-Off Kit

Original price $49.95
Original price $49.95 - Original price $49.95
Original price $49.95
Current price $47.45
$47.45 - $47.45
Current price $47.45

Radium Engineering 2013+ Subaru BRZ / Scion FR-S ECU Mount Kit

Radium Engineering
Only 1 left!

Radium Engineering 2013+ Subaru BRZ / Scion FR-S ECU Mount KitThis Part Fits: Year Make Model Submodel 2013-2016 Scion FR-S Base 2013-2017 Sub...

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Original price $89.95
Original price $89.95 - Original price $89.95
Original price $89.95
Current price $85.45
$85.45 - $85.45
Current price $85.45

Radium Engineering Fuel Filter Mount and Filter Clamp EVO X

Radium Engineering
Only 3 left!

Radium Engineering Fuel Filter Mount and Filter Clamp EVO XThis Part Fits: Year Make Model Submodel 2015 Mitsubishi Lancer Evolution Final Editi...

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Original price $24.95
Original price $24.95 - Original price $24.95
Original price $24.95
Current price $23.70
$23.70 - $23.70
Current price $23.70

Radium Engineering 5/16in SAE Female to 6AN Male Low Profile

Radium Engineering
10 in stock

Radium Engineering 5/16in SAE Female to 6AN Male Low Profile

Original price $89.95
Original price $89.95 - Original price $89.95
Original price $89.95
Current price $85.45
$85.45 - $85.45
Current price $85.45

Radium Engineering Fuel Cell Weld Flange 24-Bolt Aluminum

Radium Engineering
Only 4 left!

Radium Engineering Fuel Cell Weld Flange 24-Bolt Aluminum

Original price $69.95
Original price $69.95 - Original price $69.95
Original price $69.95
Current price $66.45
$66.45 - $66.45
Current price $66.45

Radium Engineering 2015+ Subaru WRX Fuel Feed Line Kit

Radium Engineering
Only 3 left!

Replaces OEM fuel feed tube on the firewall to the engineThis Part Fits: Year Make Model Submodel 2015-2017 Subaru WRX Base 2015-2017 Subaru W...

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Original price $89.95
Original price $89.95 - Original price $89.95
Original price $89.95
Current price $85.45
$85.45 - $85.45
Current price $85.45

Radium Engineering 3 Into 1 Distribution Block w/ Fittings

Radium Engineering
Only 5 left!

Radium Engineering 3 Into 1 Distribution Block w/ Fittings

Original price $49.95
Original price $49.95 - Original price $49.95
Original price $49.95
Current price $47.45
$47.45 - $47.45
Current price $47.45

Radium Engineering 2-Piece Fuel Pump Clamp 60mm - Black W/ Logo

Radium Engineering
Only 2 left!

Radium Engineering 2-Piece Fuel Pump Clamp 60mm - Black W/ Logo

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