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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-$0.96
Vendor:Radium EngineeringRadium 4AN ORB Swivel Banjo to 6AN Male
Regular price $33.99Regular price$34.95-$0.96 Sale price $33.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering DSV 12AN ORB To 12AN Male High Fill
Regular price $52.99Regular price$54.95-$1.96 Sale price $52.99 -
-$2.96
Vendor:Radium EngineeringRadium 10AN Male Press-Fit for Honda K-Series
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering V2 Quick Connect 15mm Male to 10AN Male Straight
Regular price $37.99Regular price$39.95-$1.96 Sale price $37.99 -
-$2.96
Vendor:Radium EngineeringRadium RB25DET 10AN Male Press-In Valve Cover Fitting - Intake & Exhaust Side
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Nissan S14/S15 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Nissan S13 SR20DET 10AN Male Press-Fit Valve Cover Fitting - Exhaust Side
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium KA24DE Valve Cover Intake 10AN Male Press-Fit Fitting
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium RB26DETT Valve Cover Intake and Exhaust 12AN Male Press-Fit Fitting
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering S14/S15 RB25DET/SR20DET 10AN Press-In Valve Cover Banjo Fitting Intake Port
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering V2 Quick Connect 19mm Male to 10AN Male Straight
Regular price $37.99Regular price$39.95-$1.96 Sale price $37.99 -
-$2.96
Vendor:Radium EngineeringRadium V2 Quick Connect 19mm Male to 10AN Male 90 Degree
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
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Vendor:Radium EngineeringRadium Nissan RB26DETT Intake or Exhaust 16mm SAE Male Double Banjo Press-Fit
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Distribution Block 12-10-10-10 With Fittings
Regular price $66.99Regular price$69.95-$2.96 Sale price $66.99 -
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Vendor:Radium EngineeringRadium Engineering Low-Profile Swivel Banjo Service Kit
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering 10AN ORB to 10mm SAE Male
Regular price $37.99Regular price$39.95-$1.96 Sale price $37.99 -
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Vendor:Radium EngineeringRadium 8AN ORB to 6AN ORB Swivel Union Fitting
Regular price $28.99Regular price$29.95-$0.96 Sale price $28.99 -
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Vendor:Radium EngineeringRadium Engineering PCV Valve 10AN ORB To .313in SAE Male
Regular price $37.99Regular price$39.95-$1.96 Sale price $37.99 -
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Vendor:Radium EngineeringRadium Engineering 8AN ORB To Toyota Pressure Sensor Fitting
Regular price $28.99Regular price$29.95-$0.96 Sale price $28.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering 10AN Male Swivel Banjo 17.5mm Press Fit
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$0.96
Vendor:Radium EngineeringRadium Engineering 3/8in SAE Female to 6AN Male Low Profile Elbow
Regular price $28.99Regular price$29.95-$0.96 Sale price $28.99 -
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Vendor:Radium EngineeringRadium Engineering 5/16in SAE Female to 6AN Male Low Profile Elbow
Regular price $28.99Regular price$29.95-$0.96 Sale price $28.99 -
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Vendor:Radium EngineeringRadium Engineering 10AN ORB to .75in Barb Roll Over Valve
Regular price $23.99Regular price$24.95-$0.96 Sale price $23.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Universal Check Valve Kit 10AN
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Universal Check Valve Kit 8AN
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering Universal Check Valve Kit 6AN
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering Universal Check Valve
Regular price $47.99Regular price$49.95-$1.96 Sale price $47.99 -
-$2.96
Vendor:Radium EngineeringRadium Engineering 10AN Male Swivel Banjo - 11.8MM Press Fit Fitting
Regular price $56.99Regular price$59.95-$2.96 Sale price $56.99 -
-$0.96
Vendor:Radium EngineeringRadium Engineering Acorn Nuts - Anodized Aluminum - 15PK
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
-$1.96
Vendor:Radium EngineeringRadium Engineering 12AN Female Fitting to Air Filter
Regular price $42.99Regular price$44.95-$1.96 Sale price $42.99 -
-$0.96
Vendor:Radium EngineeringRadium Mitsubishi EVO X Fuel Tank Pressure Plug
Regular price $18.99Regular price$19.95-$0.96 Sale price $18.99 -
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Vendor:Radium EngineeringRadium Engineering Fuel Pressure Test Kit
Regular price $28.99Regular price$29.95-$0.96 Sale price $28.99 -
-$0.96
Vendor:Radium EngineeringRadium Engineering 3/8in SAE Female to 6AN Male Low Profile Fitting
Regular price $23.99Regular price$24.95-$0.96 Sale price $23.99 -
-$0.96
Vendor:Radium EngineeringRadium Engineering 5/16in SAE Female to 6AN Male Low Profile
Regular price $23.99Regular price$24.95-$0.96 Sale price $23.99 -
-$5.96
Vendor:Radium EngineeringRadium Engineering 8AN Dry Break 27mm Fitting
Regular price $123.99Regular price$129.95-$5.96 Sale price $123.99
