BEST SELLERS

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Radium Engineering Fuel Filter Body O-Ring - Pair - product view

Radium Engineering Fuel Filter Body O-Ring - Pair

$21.39
Service O-rings for Radium Engineering fuel filters.
Radium Engineering IACV Gasket - S14/15 SR20DET - product view

Radium Engineering IACV Gasket - S14/15 SR20DET

$22.34
Made from Kevlar and Nitrile rubber for fuel and oil resistanceThis Part Fits: Year Make Model Submodel 1995-1998 Nissan 240SX Base 1997-1998 Nissan 240SX LE 1995-1998 Nissan 240SX SE
Radium Engineering Fuel Surge Tank DIY Wiring Kit - product view

Radium Engineering Fuel Surge Tank DIY Wiring Kit

$92.66
High quality components to ensure proper operation in all conditions
Radium Engineering -8AN 45 Degree PTFE Hose End - Black - product view

Radium Engineering -8AN 45 Degree PTFE Hose End - Black

$35.64
Wrench-together 8AN 45-degree hose end for use with Radium universal PTFE Hose Kits.
Radium Engineering -6AN 90 Degree PTFE Hose End - Black - product view

Radium Engineering -6AN 90 Degree PTFE Hose End - Black

$35.64
Wrench-together 6AN 90-degree hose end for use with Radium universal PTFE Hose Kits.
Radium Engineering Fitting 6AN Female to 8AN Male - product view

Radium Engineering Fitting 6AN Female to 8AN Male

$26.14
Anodized aluminum adapter fitting. 6AN Female to 8AN Female.
Radium Engineering Fitting 2AN ORB Plug - product view

Radium Engineering Fitting 2AN ORB Plug

$26.14
Radium Engineering Fitting 2AN ORB Plug
Radium Engineering 8AN ORB to M12X1.5 Female Fitting - product view

Radium Engineering 8AN ORB to M12X1.5 Female Fitting

$30.89
Radium Engineering 8AN ORB to M12X1.5 Female Fitting
Radium Engineering 10AN ORB to 3/8in SAE Male - product view

Radium Engineering 10AN ORB to 3/8in SAE Male

$35.64
Radium Engineering 10AN ORB to 3/8in SAE Male
Radium Engineering 10AN ORB to 5/16in SAE Male Fitting - product view

Radium Engineering 10AN ORB to 5/16in SAE Male Fitting

$35.64
Radium Engineering 10AN ORB to 5/16in SAE Male Fitting
Radium Engineering 13+ Scion FR-S / Subaru BRZ Master Cylinder Brace - Green - product view

Radium Engineering 13+ Scion FR-S / Subaru BRZ Master Cyl...

$92.66
Radium Engineering 13+ Scion FR-S / Subaru BRZ Master Cylinder Brace - GreenThis Part Fits: Year Make Model Submodel 2013-2016 Scion FR-S Base 2013-2017 Subaru BRZ Limited 2013-2017 Subaru BRZ...
Radium Engineering Radiator Cap Type-A 1.1Bar Black - product view

Radium Engineering Radiator Cap Type-A 1.1Bar Black

$45.14
Radium Engineering Radiator Cap Type-A 1.1Bar Black
Radium Engineering Gasket TGV to Head Subaru EJ Engines - product view

Radium Engineering Gasket TGV to Head Subaru EJ Engines

$25.19
Multi-layer graphite gasket for TGV to head interface on Subaru EJ engines. Quantity two required per engine.
Radium Engineering R35 GT-R Transmission Filter Stainless - product view

Radium Engineering R35 GT-R Transmission Filter Stainless

$206.69
Made from stainless steel wire mesh and can be cleaned and reusedThis Part Fits: Year Make Model Submodel 2009-2010 Nissan GT-R Base 2012-2016 Nissan GT-R Black Edition 2015-2017 Nissan GT-R...
Radium Engineering Duckbill Valve - product view

Radium Engineering Duckbill Valve

$30.89
Reduces fuel slosh noise and prevents fuel back flow
Radium Engineering 10 Micron Stainless Fuel Filter - product view

Radium Engineering 10 Micron Stainless Fuel Filter

$87.90
Radium Engineering 10 Micron Stainless Fuel Filter
Radium Engineering 13+ Ford Focus ST/ 15+ Ford Focus RS Fuel Surge Tank Install  - product view

Radium Engineering 13+ Ford Focus ST/ 15+ Ford Focus RS F...

$450.07$444.25
Contains all necessary parts for installation, plumbing and powering the surge tank pumpThis Part Fits: Year Make Model Submodel 2016-2018 Ford Focus RS 2013-2018 Ford Focus ST
Radium Engineering 2015+ Subaru WRX Air Oil Separator Kit (INCLUDES 20-0255) - product view

Radium Engineering 2015+ Subaru WRX Air Oil Separator Kit...

$500.08$491.76
Radium Engineering 2015+ Subaru WRX Air Oil Separator Kit (INCLUDES 20-0255)This Part Fits: Year Make Model Submodel 2015-2017 Subaru WRX Base 2015-2017 Subaru WRX Limited 2015-2017 Subaru WRX Premium
Radium Engineering 08-16 Mitsubishi Evo X Fuel Hanger Return - product view

Radium Engineering 08-16 Mitsubishi Evo X Fuel Hanger Return

$64.15
Provides all necessary hose, fittings, and hardware to convert the OEM Evo X fuel feed line to be used as the return lineThis Part Fits: Year Make Model Submodel 2015...
Radium Engineering 3 Into 1 Distribution Block w/ Fittings - product view

Radium Engineering 3 Into 1 Distribution Block w/ Fittings

$102.16
Radium Engineering 3 Into 1 Distribution Block w/ Fittings
Radium Nissan 6 Micron Microglass Fuel Filter Kit - product view

Radium Nissan 6 Micron Microglass Fuel Filter Kit

$206.71
Fuel filter kit that replaces the OEM fuel filter. Mounts in the same location under the hood. Filter element is 6 micron microglass and is not serviceable. Refer to www.radiumauto.com...
Radium Mitsubishi 4G63 Early Fuel Rail - product view

Radium Mitsubishi 4G63 Early Fuel Rail

$159.19
Billet aluminum fuel rail for the DSM 4G63 engine. Features high-flow 8AN ports and is safe for use with E85. Direct bolt-on installation.
Radium Remote Mount Fill Neck - Straight - 1.5in Barb - product view

Radium Remote Mount Fill Neck - Straight - 1.5in Barb

$92.66
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 compatible with Radium FCST-X models.
Radium Engineering 89-94 Nissan S13 PCV Catch Can Kit - Fluid Lock - product view

Radium Engineering 89-94 Nissan S13 PCV Catch Can Kit - F...

$235.21
Single catch can kit for the Nissan S13. Interfaces with the PCV line. Includes all parts necessary for a complete installation.This Part Fits: Year Make Model Submodel 1991-1993 Nissan 240SX...
Radium S14/S15/R33/R34 Fuel Hanger Surge Tank Add-on For GSS342 Or AEM 50-1200 - - product view

Radium S14/S15/R33/R34 Fuel Hanger Surge Tank Add-on For ...

$400.06$396.74
This kit is added to a compatible Radium Nissan fuel pump hanger to convert it to a Fuel Hanger Surge Tank (FHST). This prevents fuel starvation from occurring during aggressive...
Radium Engineering R14A Fuel Cell - 14 Gallon - product view

Radium Engineering R14A Fuel Cell - 14 Gallon

$1,000.22$983.49
Fuel cell with FIA and SFI certified bladder. Compatible with all fuel types. 14 Gallon capacity. Interior foam included.
Radium Subaru 15-21 WRX/STI / 08-14 Impreza/Forester / 14-18 Forester XT Fuel Fi - product view

Radium Subaru 15-21 WRX/STI / 08-14 Impreza/Forester / 14...

$92.68
This mounting bracket bolts to the vehicle underside using factory mounting holes. Allows mounting of a Radium fuel filter. Filter not included.

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At Bull Strap, we partner with the most respected names in the automotive aftermarket to bring you best sellers that meet the highest standards of quality and performance. Every product in our catalog is selected for its reliability, fitment accuracy, and value — because your vehicle deserves parts you can count on.

Browse our best sellers collection today and find exactly what your vehicle needs. With competitive pricing, fast shipping, and expert support, Bull Strap makes it easy to get the right parts, right when you need them.