Refine Your Ride with Precision Fittings
Experience exceptional Fittings that perfect every connection on your car. At HD Werks, our JDM collection delivers innovative design and precision engineering for aftermarket upgrades. Every fitting is engineered to meet the highest standards, channeling the spirit of Japanese craftsmanship and racing performance. Explore reliable designs and trusted parts that bring your ride together flawlessly. Our range offers both original and custom options tailored to your needs. Enjoy performance, JDM, accessories, custom, genuine quality with our premium Fittings selection.
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Vendor:Radium EngineeringRadium Engineering 3 Into 1 Distribution Block w/ Fittings
Regular price $85.99Regular price$89.95-$3.96 Sale price $85.99 -
-$5.96
Vendor:Radium EngineeringRadium FPD-XR Inline Barb Fitting
Regular price $123.99Regular price$129.95-$5.96 Sale price $123.99 -
-$5.96
Vendor:Radium EngineeringRadium FPD-R Inline Barb Fitting
Regular price $113.99Regular price$119.95-$5.96 Sale price $113.99 -
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Vendor:Radium EngineeringRadium Engineering 5/8in Barb to 10AN FST Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
-$3.96
Vendor:Radium EngineeringRadium Engineering Venturi Jet Pump Kit
Regular price $85.99Regular price$89.95-$3.96 Sale price $85.99 -
-$0.96
Vendor:Radium EngineeringRadium Engineering 5/16in Barb to 6AN Bulkhead Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering Fuel Surge Tank 6AN Bulkhead Plate w/ Fittings and Nuts
Regular price $52.99Regular price$54.95-$1.96 Sale price $52.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering 0-100 PSI Fuel Pressure Gauge w/ 8AN Adapter
Regular price $61.99Regular price$64.95-$2.96 Sale price $61.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering 10AN ORB Fitting to Air Filter
Regular price $37.99Regular price$39.95-$1.96 Sale price $37.99 -
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Vendor:Radium EngineeringRadium Engineering Duckbill Valve
Regular price $14.99Regular price -
-$2.96
Vendor:Radium EngineeringRadium Engineering Electrical Bulkhead Stud Kit (Pack of 6)
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
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Vendor:Radium EngineeringRadium 10AN ORB to 12AN Male Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 5/16in Sae Female To 45 Degree 3/8In Barb
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 5/16in SAE Female To 45Degree 5/16in Barb
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 16mm SAE Female to 5/8in Barb Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 3/8in SAE Female to 90 degree 3/8in Barb Fitting
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 6AN ORB to 5/16in SAE Male - Short
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering Fuel Pump Inlet Filter Sock -19mm ID
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 10AN ORB to 10mm SAE Male
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
Vendor:Radium EngineeringRadium Engineering 1/4in Push-to-Connect Vacuum Port Adapter
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering V2 Quick Connect 15mm Male to 5/8in Barb 90 Degree
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering V2 Quick Connect 15mm Female to 10AN Male Straight
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 1/2in SAE Female to 5/16in Barb
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 10AN ORB To .750 SAE Male
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 10AN ORB to 16mm SAE Male Adapter Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
Vendor:Radium EngineeringRadium Pushlok Hose End 10AN 60deg
Regular price $14.99Regular price -
-$0.96
Vendor:Radium EngineeringRadium Engineering 6AN ORB to 6AN ORB Swivel Union
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 10mm SAE Female to 45deg 3/8in Barb
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 10mm SAE Female to 90deg 3/8in Barb
Regular price $14.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 16AN ORB With 1in Barb To 16AN Male Bulkhead
Regular price $23.99Regular price$24.95-$0.96 Sale price $23.99 -
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Vendor:Radium EngineeringRadium Engineering 16AN ORB Male To 10AN ORB Female Coupler
Regular price $23.99Regular price$24.95-$0.96 Sale price $23.99 -
Vendor:Radium EngineeringRadium Engineering 8AN ORB to 10mm Barb
Regular price $9.99Regular price -
Vendor:Radium EngineeringRadium Engineering 6AN ORB to 10mm Barb
Regular price $9.99Regular price -
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Vendor:Radium EngineeringRadium Engineering 6AN Male To Female W/ Male Tee Fitting
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering SAE Male Plug 5/16In Stainless Steel
Regular price $14.99Regular price
