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We are closed July 3rd–5th for the holiday! Orders will ship starting July 6th. Happy Independence Day!
We are closed July 3rd–5th for the holiday! Orders will ship starting July 6th. Happy Independence Day!

Radium Engineering

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Radium Engineering Fuel Cap Remote Mount Vented

RADIUM ENGINEERING
$39.95
$39.95 - $39.95
$39.95
$37.95
$37.95 - $37.95
$37.95
Only 3 left!

Replacement fuel cap only. For use with Radium fender mounted fill flange. Includes O-ring.

$39.95
$39.95 - $39.95
$39.95
$37.95
$37.95 - $37.95
$37.95
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Radium Remote Mount Fill Neck - 24AN Elbow - 1.5in Barb

RADIUM ENGINEERING
$139.95
$139.95 - $139.95
$139.95
$132.95
$132.95 - $132.95
$132.95
Only 2 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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$139.95
$139.95 - $139.95
$139.95
$132.95
$132.95 - $132.95
$132.95
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Radium Engineering Fuel Rail Plumbing Kit - GM LSA/LS9

RADIUM ENGINEERING
$169.95
$169.95 - $169.95
$169.95
$161.45
$161.45 - $161.45
$161.45
Only 3 left!

For use with the Radium Engineering fuel rails for the GM LS9/LSA engines. Allows hook up of factory fuel lines to the fuel rails.

$169.95
$169.95 - $169.95
$169.95
$161.45
$161.45 - $161.45
$161.45
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Radium Engineering GM LS Oil Cap

RADIUM ENGINEERING
$49.95
$49.95 - $49.95
$49.95
$47.45
$47.45 - $47.45
$47.45
7 in stock

Replaces factory oil cap on many GM LS engines. Check www.radiumauto.com for compatibility information. Plug can be removed and accessories can be ...

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$49.95
$49.95 - $49.95
$49.95
$47.45
$47.45 - $47.45
$47.45
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Radium Engineering Fuel Rail RB25DET Neo

RADIUM ENGINEERING
$199.95
$199.95 - $199.95
$199.95
$189.95
$189.95 - $189.95
$189.95
Only 4 left!

A bolt-on fuel rail for the Nissan RB25 NEO engine. Features 8AN ORB ports. Adapter fittings sold separately. Visit www.radiumauto.com for more det...

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$199.95
$199.95 - $199.95
$199.95
$189.95
$189.95 - $189.95
$189.95
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Radium Engineering Universal Check Valve Kit 10AN

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
15 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.

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Universal Check Valve Kit 8AN

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
9 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.

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Universal Check Valve Kit 6AN

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
11 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.

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Universal Check Valve

RADIUM ENGINEERING
$49.95
$49.95 - $49.95
$49.95
$47.45
$47.45 - $47.45
$47.45
6 in stock

Universal in-line check valve. Female 8AN ORB inlet, male 10AN flare outlet. Compatible with all fluids.

$49.95
$49.95 - $49.95
$49.95
$47.45
$47.45 - $47.45
$47.45
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Radium Engineering PCV Valve 10AN ORB To 0.375 BARB

RADIUM ENGINEERING
$39.95
$39.95 - $39.95
$39.95
$37.95
$37.95 - $37.95
$37.95
Only 5 left!

CNC machined aluminum universal PCV valve. 10AN ORB male threads. Compatible with Radium catch cans and other Radium PCV accessories.

$39.95
$39.95 - $39.95
$39.95
$37.95
$37.95 - $37.95
$37.95
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Radium Remote Mount Fill Neck - Straight - 1.5in Barb

RADIUM ENGINEERING
$79.95
$79.95 - $79.95
$79.95
$75.95
$75.95 - $75.95
$75.95
Only 3 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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$79.95
$79.95 - $79.95
$79.95
$75.95
$75.95 - $75.95
$75.95
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Radium Engineering Fuel Level Switch Plus Diagnostic Indicator

RADIUM ENGINEERING
$109.95
$109.95 - $109.95
$109.95
$104.45
$104.45 - $104.45
$104.45
Only 1 left!

A combination of Radium part number 20-0461 and 20-0508 in one kit. Level switch and diagnostic LED indicator. For use with Radium products that ar...

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$109.95
$109.95 - $109.95
$109.95
$104.45
$104.45 - $104.45
$104.45
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Radium Engineering 10AN Male Swivel Banjo - 11.8MM Press Fit Fitting

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
Only 3 left!

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

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Fuel Level Diagnostic Indicator

RADIUM ENGINEERING
$29.95
$29.95 - $29.95
$29.95
$28.45
$28.45 - $28.45
$28.45
Only 2 left!

Compatible with Radium products that use the 20-0461 level switch. Provides a visual indication that level switch has activated. Picture shows exac...

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$29.95
$29.95 - $29.95
$29.95
$28.45
$28.45 - $28.45
$28.45
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Radium Engineering Acorn Nuts - Anodized Aluminum - 15PK

RADIUM ENGINEERING
$19.95
$19.95 - $19.95
$19.95
$18.95
$18.95 - $18.95
$18.95
Only 1 left!

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

$19.95
$19.95 - $19.95
$19.95
$18.95
$18.95 - $18.95
$18.95
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Radium Engineering Quick Fill Dump Can - 1.5in Dry Break Filler - Male

RADIUM ENGINEERING
$289.95
$289.95 - $289.95
$289.95
$275.45
$275.45 - $275.45
$275.45
Only 3 left!

Radium Engineering Quick Fill Dump Can - 1.5in Dry Break Filler - Male

$289.95
$289.95 - $289.95
$289.95
$275.45
$275.45 - $275.45
$275.45
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Radium Engineering 12AN Female Fitting to Air Filter

RADIUM ENGINEERING
$44.95
$44.95 - $44.95
$44.95
$42.70
$42.70 - $42.70
$42.70
6 in stock

Radium Engineering 12AN Female Fitting to Air Filter

$44.95
$44.95 - $44.95
$44.95
$42.70
$42.70 - $42.70
$42.70
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Radium Engineering Fuel Cell Vent Kit - 12AN

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
Only 3 left!

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Fuel Cell Vent Kit - 8AN

RADIUM ENGINEERING
$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
6 in stock

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

$59.95
$59.95 - $59.95
$59.95
$56.95
$56.95 - $56.95
$56.95
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Radium Engineering Fuel Level Switch, 1/8 NPT

RADIUM ENGINEERING
$89.95
$89.95 - $89.95
$89.95
$85.45
$85.45 - $85.45
$85.45
Only 4 left!

Stainless steel construction with special float that works in all popular vehicle fuels including E85. Switch activates when float changes position.

$89.95
$89.95 - $89.95
$89.95
$85.45
$85.45 - $85.45
$85.45
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Radium Multi-Pump Ti Automotive E5LM Fuel Surge Tank Pumps Not Included

RADIUM ENGINEERING
$549.95
$549.95 - $549.95
$549.95
$522.45
$522.45 - $522.45
$522.45
Only 3 left!

Fuel surge tank compatible with Ti Automotive E5LM brushless fuel pumps (BKS1000). Can hold one or two pumps. Fuel pumps sold separately and must b...

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$549.95
$549.95 - $549.95
$549.95
$522.45
$522.45 - $522.45
$522.45
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Radium Engineering Hose Separator Clamp - 2 Way

RADIUM ENGINEERING
$14.95
$14.95 - $14.95
$14.95
$14.20
$14.20 - $14.20
$14.20
Only 3 left!

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

$14.95
$14.95 - $14.95
$14.95
$14.20
$14.20 - $14.20
$14.20
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Radium Engineering 0-100 PSI Fuel Pressure Gauge With 90 Degree Adapter

RADIUM ENGINEERING
$64.95
$64.95 - $64.95
$64.95
$61.70
$61.70 - $61.70
$61.70
13 in stock

Radium Engineering 0-100 PSI Fuel Pressure Gauge With 90 Degree Adapter

$64.95
$64.95 - $64.95
$64.95
$61.70
$61.70 - $61.70
$61.70
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Radium Engineering Submersible PTFE Fuel Tubing 3/8in 6.5in Long

RADIUM ENGINEERING
$19.95
$19.95 - $19.95
$19.95
$18.95
$18.95 - $18.95
$18.95
6 in stock

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

$19.95
$19.95 - $19.95
$19.95
$18.95
$18.95 - $18.95
$18.95
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