Flanges & Bungs

2 Bolt - Stainless Steel - Honda Header Collector Flange  2-1/4" OD Tube Oval Holes 16x19mm with center of 86mm

02 Sensor Bung Stepped Material: 304 Stainless Steel Thread: M18 x 1.5 Part Number: O2-SS-SSB

02 Sensor Bung Heat Sink Style Material: 304 Stainless Steel Thread: M18 x 1.5 Part Number: O2-SS-HS-SB

Wastegate V-Band Clamp Constructed from 304 Stainless Steel Material. For 1.75" or 2"  ...

2 Bolt FlangeStainless Steel2-1/2" OD TubeLaser Cut.5" Bolt Holes

2 bolt flange constructed from Titanium material with an ID of 3". This flange can mate to titanium, aluminum, steel or stainless steel flanges. Material: CP2 TitaniumInner Diameter: 3 Inches Measurements: Bolt Center to Center: 4-1/4" Side to Side Total Size: 5-1/4" ***Sold Individually ...

Specifications: Tubing Size: 2.5" OD or 3" OD Bolt Holes: 3 Bolt 

Big Block Chevy Header Flanges 304 Stainless Steel Laser Cut 3/8" Thickness Port Sizes: 2", 2.125" or 2.25"*Sold as a pair

Weldable - Blow Off Valve Flange - Turbosmart Style 50MM CNC Machined from Aluminum materials Designed for 2-1/2" Tube, 3" Tube, or 4" Tube Height: 1" *Please ensure flange is positioned correctly before welding. *Please be sure you have THE CORRECT parts before welding or modifying them. *Modified or welded flanges cannot be returned or exchanged. ...

Specifications:  T6 to Dual 2.5"  CNC Machined from 304 Stainless Steel Block Threaded Bolt Holes: M10 x 1.5  Bolt Pattern: 4.5" x 3.25" Flange Thickness: 3/4" (0.75") Part Number: FG-B-T6-D250 ...

Weld-On 02 Sensor Bung, 45° Angle with Radius Cut Material: 304 Stainless SteelThread: M18 x 1.5Part Number: O2-SS-SB-45

2 Bolt - Stainless Steel - Subaru Header Collector Flange  2-1/2" OD Tube Round Holes Hole to Hole 4.25"

2 bolt flange constructed from Titanium material with an ID of 2.50". This flange can mate to titanium, aluminum, steel or stainless steel flanges. Material: CP2 TitaniumInner Diameter: 2.50 Inches Measurements: Bolt Center to Center: 3-3/4" Side to Side Total Size: 4-3/4" ***Sold Individually ...

Weldable - Blow Off Valve Flange - HKS Style CNC Machined from Aluminum materials *Please ensure flange is positioned correctly before welding. *Please be sure you have THE CORRECT parts before welding or modifying them. *Modified or welded flanges cannot be returned or exchanged. ...

Specifications:  T6 to Single 3.5"  CNC Machined from 304 Stainless Steel Block Threaded Bolt Holes: M10 x 1.5  Bolt Pattern: 4.5" x 3.25" Flange Thickness: 3/4" (0.75") Part Number: FG-B-T6-S350 ...

Weld-On 02 Sensor Bung & Plug Material: 304 Stainless SteelThread: M18 x 1.5Part Number: O2-SS-SB-B+P

Small Block Chevy Header Flanges 304 Stainless Steel Laser Cut 3/8" Thickness Port Sizes: 1.625" & 1.75"*Sold as a pair

Specifications: T6 Turbo Divided Inlet Flange Gasket Made from 304 Stainless Steel Material ...

Specifications: T4 Undivided Laser Cut Flange Unthreaded Flange Thickness: 3/8" (0.38") Part Number: FG-SS-L-T4 ...

LS Engine Header Flanges 304 Stainless Steel Laser Cut 3/8" Thickness Port Sizes: 1.75", 1.88" or 2"*Sold as a pair

Weld-On 02 Sensor Bung Material: CP1 TitaniumThread: M18 x 1.5Part Number: O2-Ti-SB-R

Coyote 5.0 Engine Header Flanges 304 Stainless Steel Laser Cut 3/8" Thickness Port Sizes: 1.625" & 1.75"*Sold as a pair

Specifications: T4 Divided Laser Cut Flange Unthreaded Material: Mild Steel  Flange Thickness: 3/8" (0.38") Part Number: FG-MS-L-T4 ...

Weld-On 02 Sensor Bung Plug Material: 304 Stainless SteelThread Size/Pitch: M18 x 1.5Part Number: O2-SS-BP

Material: CP1 Titanium  AN Size: -8AN, -10AN, -12AN, -16AN, and -20AN*Sold individually 100% US Made

LT4/LS9/LSA Engine Header Flanges 304 Stainless Steel Laser Cut 3/8" Thickness Port Size: 2.15" x 1.76"*Sold as a pair

Weld-On 02 Sensor Bung Adapter from M18 x1.5mm to M12 x 1.25mm Material: 304 Stainless SteelPart Number: O2-ADT-SS-M12

Specifications: Subaru EJ207- EJ257 Header Flanges CNC Machined from 304 Stainless Steel Block Thickness: 1/2" (0.50") Port Size: 1-5/8" Part Number: FG-SS-HD-SUB-163 * Sold as a pair ...