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Kooks Custom Headers 9002S 02 Sensor Bung Stainless Steel. Flat. M18 x 1.50 Threads.
02 Sensor Bung Stainless Steel. M18 x 1.50 Threads. Flat on both sides.
$16.71 USD
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Kooks Custom Headers 9002SA Oxygen Sensor Bung Plug Stainless Steel. M18 x 1.50 Threads.
Universal Oxygen Sensor Bung Plugs Stainless Steel. M18 x 1.50 Threads.
$20.66 USD
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Kooks Custom Headers 9002S-C O2 Sensor bung. Stainless Steel. M18 x 1.50 Threads. Coped on one side.
O2 Sensor bung. Stainless Steel.M18 x 1.50 Threads. Coped on one side to be welded to round tube.
$18.20 USD
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Kooks Custom Headers 9125-S GM EGR Plate - Used in 1998-2000 F-Body
GM EGR Plate
  • Laser Cut from 1/4" Thick 304 Stainless Steel
  • Tapped holes for OEM bolts
  • Used in 1998-2000 GM F-Body with LS1 Engine
  • Welding Required
  • Sold Individually
$23.30 USD
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Kooks Custom Headers 9126-S GM Secondary Air Injection Plate - Used in 97-04 Corvette and 98-02 F-Body
GM Secondary Air Injection Plate
  • Laser Cut from 1/4" Thick 304 Stainless Steel
  • Tapped holes for OEM bolts
  • Used in 1997-2004 Corvette and 1998-2002 GM F-Body with LS1 Engine
  • Welding Required
  • Sold Individually
$29.92 USD
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Kooks Custom Headers CAS-104110 O2 Extension Kit 2009+ Ram 1500 - 5.7L HEMI 2) 6" Extension Harness (4-pin)
O2 Extension Kit 2009+ Ram 1500 - 5.7L HEMI 2) 6" Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$48.77 USD
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Kooks Custom Headers CAS-104322 O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk
O2 Extension Kit 2015+ Hellcat / 2018+ Trackhawk 2) 6" Front Extension Harness (8-pin) 2) 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$120.46 USD
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Kooks Custom Headers CAS-104326 O2 Extension Kit 2016 CAMARO SS
O2 Extension Kit 2016 CAMARO SS 1) 10" Front Left Extension Harness (4-pin, BLACK CONNECTOR) 1) 8" Rear Left Extension Harness (4-pin, GREY CONNECTOR). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$80.79 USD
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Kooks Custom Headers CAS-104677-5PIN O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin)
O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$48.73 USD
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Kooks Custom Headers CAS-105067 O2 Extension Kit Chrysler 5.7/6.1/6.4 HEMI
O2 Extension Kit Chrysler 5.7/6.1/6.4 HEMI 2) 6" Front Extension Harness (4-pin) 2) 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$107.77 USD
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Kooks Custom Headers CAS-105094-2 O2 Extension Kit Viper 2) 18" Extension Harness (4-Pin)
O2 Extension Kit Viper 2) 18" Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$71.99 USD
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Kooks Custom Headers CAS-105110 O2 Extension Kit WK1 Jeep SRT8
O2 Extension Kit WK1 Jeep SRT8 1) 6" Front Extension Harness (4-Pin) 1) 18" Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$69.62 USD
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Kooks Custom Headers CAS-105360 O2 Extension Kit 2010-2014 Ford Raptor
O2 Extension Kit 2010-2014 Ford Raptor 1) 12" Extension Harness (Round 4-pin) 2) 12" Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$94.55 USD
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Kooks Custom Headers CAS-105630 O2 Extension Kit Z06 Corvette 2) Rear Extension Harness (4-Pin)
O2 Extension Kit Z06 Corvette 2) Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$105.27 USD
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Kooks Custom Headers CAS-105979 O2 Extension Harness 2015 Mustang 1) 8" Front Extension Harness (6-pin)
O2 Extension Harness 2015 Mustang 1) 8" Front Extension Harness (6-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$46.58 USD
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Kooks Custom Headers CAS-109004 O2 Extension Harness GM 1) 12" Front Extension Harness (4-Pin)
O2 Extension Harness GM 1) 12" Front Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$35.62 USD
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Kooks Custom Headers CAS-109007 O2 Extension Harness 1998-2002 Camaro 1) 24" Front Extension Harness (4-Pin).
O2 Extension Harness 1998-2002 Camaro 1) 24" Front Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$42.30 USD
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Kooks Custom Headers CAS-109010-18 O2 Extension Harness GM LT1/LS1 1) 18" Extension Harness (4-pin) Flat Connector
O2 Extension Harness GM LT1/LS1 1) 18" Extension Harness (4-pin) Flat Connector. Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$42.30 USD
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Kooks Custom Headers CAS-109014 O2 Extension Harness Ford 1) 12" Extension Harness (4-Pin) Round Connector
O2 Extension Harness Ford 1) 12" Extension Harness (4-Pin) Round Connector. Sold individually. Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should Typically be ordered as a replacment for damaged or lost Oxygen Sensor Extensions. For installation of part # 11312000 or 11312200 on a 2005-2010 4.6L 3V Mustang GT with Automatic Transmission, 2 pcs required. No additional parts required for installation of part# 11312010.
$36.96 USD
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Kooks Custom Headers CAS-109015 O2 Extension Harness Ford 1) 24" Extension Harness (4-Pin) Round Connector
O2 Extension Harness Ford 1) 24" Extension Harness (4-Pin) Round Connector. Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
$39.93 USD
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