AN Fittings & Plumbing – Premium High-Flow Connectors for Custom Lines
Build leak-free, high-performance lines with BK Racing's AN Fittings category — your trusted source for AN hose ends, adapters, bulkheads, reducers, and essential plumbing components for fuel, oil, coolant, or boost systems in GM Ecotec engines. We stock precision-machined AN fittings in popular sizes (AN-4, AN-6, AN-8, AN-10) for braided PTFE hose — perfect for remote oil coolers, turbo feeds, fuel rails, catch cans, or custom routing in Cobalt SS, Ion Redline, HHR SS, Solstice GXP, Saab 9-3, and race/off-road builds.
Every fitting is engineered for durability, full flow, and easy assembly — supporting reusable swivel designs for vibration resistance and professional results in demanding applications.
Featured AN Fittings Products:
- 6 AN 90° PTFE Hose End – Compact elbow swivel for tight routing
- 6 AN PTFE Straight Hose End – Reliable straight connection for custom lines
- 6AN Male to 3/8" Quick-Disconnect Female EFI Fitting – Easy fuel line adapter
- 8 AN PTFE Straight Hose End – High-volume straight swivel fitting
- 8AN 90° PTFE Hose End – 90° elbow for high-flow applications
- 8AN Male Fuel Cell Bulkhead Fitting – Secure tank penetration adapter
- AN10 to ORB10 Fitting – O-ring boss transition for oil/fuel ports
- AN4 90 Degree Fitting (Male to Female) – Compact elbow for small lines
Why Builders Trust BK Racing AN Fittings:
- Lightweight aluminum with black anodized finish for corrosion resistance
- Full swivel designs reduce hose stress and simplify installation
- Compatible with PTFE braided hose for E85, oil, or boost compatibility
- Proven in high-pressure, high-temperature Ecotec performance setups
Compatibility: AN-4 to AN-10 systems on GM Ecotec engines (2.0L LSJ/LNF/LHU, 2.2L L61/LAP, 2.4L LE5/LE9/LAT) and custom plumbing in Chevrolet Cobalt/HHR/Malibu, Pontiac Solstice/G5/G6, Saturn Ion/Sky/Vue/Aura, Saab 9-3, Buick Regal/Verano, GMC Terrain, Polaris Slingshot, and swaps.
Proudly curated by BK Racing Inc. — Ecotec specialists providing reliable AN fittings for clean, professional plumbing that performs under pressure.
Plumb it right and flow strong — explore BK Racing's AN Fittings category for the connectors that complete your high-performance setup.
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BK Racing 60” Stainless Steel Braided PTFE Hose Assembly with -4AN FittingsVendor:BK Racing StoreUpgrade your fluid lines with this premium 60-inch (5-foot) PTFE (Teflon) lined hose assembly, featuring stainless steel outer braid for maximum durability and abrasion resistance. This versatile configuration includes one straight -4AN swivel fitting and one 90-degree -4AN elbow swivel fitting, making it ideal...
- $32.00 USD
- $32.00 USD
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BK Racing 36” Stainless Steel Braided PTFE Hose Assembly with -4AN FittingsVendor:BK Racing StoreUpgrade your fluid lines with this versatile 36-inch (3-foot) PTFE lined hose assembly, featuring stainless steel outer braid for excellent durability and abrasion resistance. This mid-length configuration includes one straight -4AN swivel fitting and one 90-degree -4AN elbow swivel fitting, providing the perfect balance...
- $23.00 USD
- $23.00 USD
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BK Racing 24” Stainless Steel Braided PTFE with -4AN FittingsVendor:BK Racing StoreUpgrade your fluid lines with this compact 24-inch (2-foot) PTFE lined hose assembly, featuring stainless steel outer braid for superior durability and abrasion resistance. This versatile configuration includes one straight -4AN swivel fitting and one 90-degree -4AN elbow swivel fitting, making it perfect for...
- $24.00 USD
- $24.00 USD
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BK Racing AN-8 to AN-6 Reducer Adapter – High-Flow Step-Down FittingVendor:BK RacingDownsize your lines with leak-free precision using the BK Racing AN-8 to AN-6 Reducer Adapter — the best AN-8 male to AN-6 female reducer for braided hose systems, providing a secure step-down connection for oil, fuel, coolant, or boost plumbing in high-performance Ecotec builds....
- $15.00 USD
- $15.00 USD
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BK Racing AN-8 PTFE Straight Swivel Hose End – High-Flow Fitting for Braided LinesVendor:BK RacingComplete your custom lines with the BK Racing AN-8 PTFE Straight Swivel Hose End — the best AN-8 straight swivel fitting for PTFE braided hose, delivering secure, leak-free connections for oil, fuel, coolant, or boost lines in high-performance Ecotec builds. This premium swivel end...
- $15.00 USD
- $15.00 USD
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BK Racing AN-8 Cap Fitting – Billet Dust Cap for Open PortsVendor:BK RacingProtect your AN-8 lines and ports with the BK Racing AN-8 Cap Fitting — the best AN-8 billet cap for sealing open female fittings, providing a clean, leak-free dust cover for unused oil, fuel, coolant, or boost ports during storage, transport, or staged builds....
- $15.00 USD
- $15.00 USD
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BK Racing AN-6 to 3/8" Barb Fuel Rail Fitting – High-Flow Push-On Hose AdapterVendor:BK RacingConnect your fuel lines with secure, leak-free performance using the BK Racing AN-6 to 3/8" Barb Fuel Rail Fitting — the best AN-6 male flare to 3/8" barb adapter for Ecotec fuel rail and line swaps, allowing direct push-on connection of 3/8" rubber or...
- $15.00 USD
- $15.00 USD
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BK Racing AN-6 PTFE Straight Swivel Hose End – High-Flow Fitting for Braided LinesVendor:BK RacingConnect your custom lines with leak-free precision using the BK Racing AN-6 PTFE Straight Hose End — the best AN-6 straight swivel fitting for PTFE braided hose, delivering secure, 360° rotatable connections for fuel, oil, coolant, or boost lines in high-performance Ecotec builds. This...
- $15.00 USD
- $15.00 USD
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BK Racing AN-6 Cap Fitting – Billet Dust Cap for Open PortsVendor:BK RacingProtect your AN-6 lines and ports with the BK Racing AN-6 Cap Fitting — the best AN-6 billet cap for sealing open female fittings, providing a clean, leak-free dust cover for unused oil, fuel, coolant, or boost ports during storage, transport, or staged builds....
- $0.00 USD
- $0.00 USD
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BK Racing AN-4 Male to AN-4 Female 90° Swivel Fitting – Compact Elbow Adapter for Tight RoutingVendor:BK RacingNavigate tight spaces with leak-free flow using the BK Racing AN-4 Male to AN-4 Female 90° Swivel Fitting — the best AN-4 90-degree elbow adapter for braided hose lines, providing a compact, 360° rotatable connection for oil, fuel, coolant, or boost plumbing in high-performance...
- $8.00 USD
- $8.00 USD
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AN-10 Braided Hose (3 ft) for Canister Bypass & Remote Filter – High-Flow Oil Line UpgradeVendor:BK Racing StoreRoute your remote oil filter or cooler with confidence using the BK Racing AN-10 Braided Hose (3 ft) — the best AN-10 braided hose for Ecotec canister bypass and remote oil filter setups, providing durable, high-flow connection for oil cooler lines, remote mount routing,...
- $40.00 USD
- $40.00 USD
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BK Racing AN-10 to ORB-10 Fitting – High-Flow O-Ring Boss AdapterVendor:BK RacingConnect your oil, fuel, or coolant lines with leak-free precision using the BK Racing AN-10 to ORB-10 Fitting — the best AN-10 male flare to ORB-10 O-ring boss adapter for high-performance plumbing, providing a secure, straight transition for remote oil filters, coolers, turbo feeds,...
- $15.00 USD
- $15.00 USD
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Ecotec Electric Oil Pressure Gauge Adapter Fitting – Reliable Block-Mount Sensor Port UpgradeVendor:BK Racing StoreAccurately monitor your Ecotec's oil pressure with the BK Racing Electric Oil Pressure Gauge Adapter Fitting — the best oil pressure sensor adapter for GM Ecotec engines, allowing easy installation of an aftermarket electric gauge sender while retaining or relocating the factory sensor. This...
- $30.00 USD
- $30.00 USD
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BK Racing AN-6 90° PTFE Swivel Hose End – High-Flow Elbow Fitting for Braided LinesVendor:BK Racing StoreNavigate tight routing with leak-free performance using the BK Racing AN-6 90° PTFE Swivel Hose End — the best AN-6 90-degree swivel fitting for PTFE braided hose, delivering a compact, 360° rotatable elbow for fuel, oil, coolant, or boost lines in high-performance Ecotec builds....
- $13.00 USD
- $13.00 USD
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BK Racing AN-6 PTFE Lined Stainless Braided Hose (Sold by the Foot) – High-Performance Custom LineVendor:BK Racing StoreBuild your perfect custom lines with the BK Racing AN-6 PTFE Lined Stainless Braided Hose — the best AN-6 braided hose for fuel, oil, coolant, or boost applications in GM Ecotec builds. This premium PTFE (Teflon) smooth-bore hose with stainless steel outer braid offers...
- $4.00 USD
- $4.00 USD
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BK Racing AN-4 60 Inch Braided PTFE Oil Line (Hose Only, No Fittings) – High-Performance Replacement HoseVendor:BK Racing StoreUpgrade your oil pressure gauge setup with the BK Racing AN-4 60 Inch Braided PTFE Oil Line — the best 60" replacement oil line for mechanical gauges on GM Ecotec engines, providing a durable, flexible hose for remote or dashboard-mounted oil pressure monitoring. This...
- $34.00 USD
- $34.00 USD
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BK Racing AN-8 PTFE Lined Stainless Braided Hose (Sold by the Foot) – High-Performance Custom LineVendor:BK Racing StoreBuild your perfect custom lines with the BK Racing AN-8 PTFE Lined Stainless Braided Hose — the best AN-8 braided hose for high-flow oil, fuel, coolant, or boost applications in GM Ecotec builds. This premium PTFE (Teflon) smooth-bore hose with stainless steel outer braid...
- $4.00 USD
- $4.00 USD
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BK Racing AN-8 PTFE Straight Hose End – High-Flow Swivel Fitting for Braided LinesVendor:BK Racing StoreConnect your custom lines with leak-free precision using the BK Racing AN-8 PTFE Straight Hose End — the best AN-8 straight swivel fitting for PTFE braided hose, delivering a clean, 360° rotatable connection for oil, fuel, coolant, or boost lines in high-performance Ecotec builds....
- $13.00 USD
- $13.00 USD
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BK Racing AN-8 90° PTFE Swivel Hose End – High-Flow Elbow Fitting for Braided LinesVendor:BK Racing StoreNavigate tight routing with leak-free performance using the BK Racing AN-8 90° PTFE Swivel Hose End — the best AN-8 90-degree swivel fitting for PTFE braided hose, delivering a compact, 360° rotatable elbow for oil, fuel, coolant, or boost lines in high-performance Ecotec builds....
- $15.00 USD
- $15.00 USD
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Ecotec Manual Oil Pressure Adapter Fitting to AN-4 Male – Precision Hose Connection UpgradeVendor:BK Racing StoreMonitor your Ecotec oil pressure accurately with the BK Racing Ecotec Manual Oil Pressure Adapter Fitting to AN-4 Male — the best AN-4 adapter for Ecotec mechanical oil pressure gauge lines, allowing direct connection of braided stainless or nylon hose to the stock block...
- $25.00 USD
- $25.00 USD
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