Ticon Industries - 4" Stainless Steel V-Band Clamp (qty1) - Heavy Duty -119-10200-0000 Ticon Industries 4 Inch Stainless Steel V-Band Clamp Fits 4 Inch or 102mm V-Band Flanges that have a 4 5/8" Flange OD Fits Typical GT42 turbo outlet with 4" Vband 4 5/8" OD Discharge Clamp Dimensions: Min Flange OD 4.5"/115mm - Max Flange OD 4.75"/120.65mm and 1/4" Combined Flange Apex Width Heavy Duty Bolt For Extreme Environments