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• Kooks Headers

  KSH Extension Harness

  O2 Extension Harness 2019 Ram 1) 12in. Extension Harness (4-Pin) Flat Connector. Oxygen Sensor Extension harnesses are included in Header kits where needed.Standard polished tipsPart #CAS-109264 $31.14 Add to cart
• Kooks Headers

  KSH Extension Harness

  Fits Ford MustangO2 Extension Harness for 2005-2010 Mustang. Includes 1) 12in. Extension Harness (4-Pin) Round Connector. Oxygen Sensor Extension harnesses are included in Header kits where needed.Standard polished tipsPart #CAS-109014 $27.18 Add to cart
• Kooks Headers

  KSH Extension Harness

  Fits Cadillac CTS-VO2 Extension Harness for Gen 1 CTSV; G8; GTO. Includes 1) 12in. Front Extension Harness (4-Pin). Oxygen Sensor Extensions are included in Header kits where needed.Standard polished tipsPart #CAS-109004 $25.58 Add to cart
• Kooks Headers

  KSH Extension Harness

  O2 Extension Kit for Mopar LX Platform cars with 5.7/6.1/6.4 HEMI V8. Includes 2) 6in. Front Extension Harness (4-pin) and 2) 18in. Rear Extension Harness (4-pin).Standard polished tipsPart #CAS-105067 $108.65 Add to cart
• Kooks Headers

  KSH Extension Harness

  O2 Extension Harness for 2011-2014 Shelby GT500 1) 12in. Extension Harness (6-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed.Standard polished tipsPart #CAS-109203 $29.50 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange with 3in. Inline Bolt Pattern. 3/8in. Thick Mild Steel. Round Port for 1-7/8in. Primaries. Sold Individually.Black tipsPart #7051-B $30.58 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordFord 3V Modular Header Flange. 3/8in. Thick 304 Stainless Steel. Stock Bolt Pattern. Ports for 1-3/4in. Primaries. Sold Individually.Part #7060-S $104.48 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-3/4in. Diagonal Bolt Pattern. 3/8in. Thick Mild Steel. Round Port for 1-7/8in. Primaries. Sold Individually.Part #7011-D $49.84 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2.95in. Diagonal Yates Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Round Port for 2-1/8in. Primaries. Sold Individually.Part #7015S-0909 $107.16 Add to cart
• Kooks Headers

  KSH Flanges

  LSX Header Flange. 3/8in. Thick 304 Stainless Steel. Stock Bolt Pattern. D-Shaped Port for 2in. Primaries. Sold Individually.Part #7046-BS-2 $69.26 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-3/4in. Diagonal Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Round Port for 1-3/4in. Primaries. Sold Individually.Part #7011-CS $66.07 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-3/4in. Diagonal Bolt Pattern. Increased Clearance on Top Side of Flange for High Port Style Heads. 3/8in. Thick Mild Steel. Round Port for 2in. Primaries.Part #7011-SH-A $45.93 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-3/4in. Diagonal Bolt Pattern. Increased Clearance on Top Side of Flange for High Port Style Heads. 3/8in. Thick 304 Stainless Steel. Round Port for 1-7/8in.Part #7011-SH-BS $62.42 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-1/2in.-3in. Inline Dual Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Oval Port for 2in. Primaries. Sold Individually.Part #7012B-7051B-S $76.64 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-Stock 2in. Inline Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Port for 1-3/4in. Primaries. Sold Individually.Part #7013-AS $62.37 Add to cart
• Kooks Headers

  KSH Flanges

  3in. 2-Bolt Collector/Exhaust Flange. 3/8in. 304 Stainless Steel. Oversized 3in. Opening for Floating Fit. Slotted Bolt Holes. Sold Individually.Part #7107-S $22.61 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange-2-3/4in. Diagonal Bolt Pattern. 3/8in. Thick Mild Steel. Round Port for 2in. Primaries. Sold Individually.Part #7011-D2 $40.88 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordFord 4.0L V6 Header Flange. 3/8in. Thick 304 Stainless Steel. Stock Bolt Pattern. Round Ports for 1-5/8in. Primaries. Sold Individually.Part #7028-V6 $54.81 Add to cart
• Kooks Headers

  KSH Flanges

  LSX Header Flange. 3/8in. Thick 304 Stainless Steel. Stock Bolt Pattern. Round Port for 1-7/8in. Primaries. Sold Individually.Part #7046-AS $51.68 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordSmall Block Ford Header Flange with 3in. Inline Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Round Port for 2in. Primaries. Sold Individually.Part #7051-BS $74.72 Add to cart
• Kooks Headers

  KSH Flanges

  Fits FordBig Block Ford Header Flange-3.67in. Diagonal C460 Bolt Pattern. 3/8in. Thick 304 Stainless Steel. Square Port for 2-3/8in. Primaries. Sold Individually.Part #7025-C460S $88.76 Add to cart
• Kooks Headers

  KSH Flanges

  3in. 3-Bolt Collector/Exhaust Flange. 3/8in. Thick 304 Stainless Steel. 3in. Opening. 3 Bolt Holes for 3/8in. Bolts. Sold Individually.Part #7111-S $36.52 Add to cart
• Kooks Headers

  KSH Flanges

  4in. 3-Bolt Collector/Exhaust Flange. 3/8in. Thick 304 Stainless Steel. 4in. Opening. 3 Bolt Holes for 3/8in. Bolts. Sold Individually.Part #7113-S $39.87 Add to cart
• Kooks Headers

  KSH Flanges

  Fits ChevroletBig Block Chevrolet Header Flange. 3/8in. Thick Mild Steel. Stock Bolt Pattern. Round Ports for 2-1/2in. Primaries. Sold Individually.Standard polished tipsPart #7041-250 $38.60 Add to cart