Std T3 TK030 Your most common aftermarket high performance turbo inlet pattern. Fits all T3 and T3/T04 type turbos. Fits most early ford, saab, and Z31 300ZX turbochargers. Will fit early volvo turbos but the turbo will need machined down. All TK030 flanges come threaded in 10mm x 1.5 pitch CLICK HERE FOR A DRAWING	Std. T25/T28 TK010 This flange is used on most T25 & T28 turbochargers. Common to Z32 300ZX TTs, Silva/bluebird/GTiR SR20DETs, and GM 2.2L Turbos. All TK010 flanges come threaded in 8mm x 1.25 pitch CLICK HERE FOR A DRAWING	Std T04 TK053 This flange is common to alot of medium frame turbochargers. T04E, T04B, and T-series are some of the most common.All TK053 flanges come threaded in 3/8 in. x 16 pitch CLICK HERE FOR A DRAWING
DSM TD05/T25 TK011 This flange was mostly used on just mitsubishi DSM 4G63 Cars (eclispse, talon, laser). If you have a T25 from one of these cars, it won't use the T25 flange. It will use this flange. CLICK HERE FOR A DRAWING	Early Chrysler T3 TK100 One of the most popular junkyard turbochargers ever! Whether its the actually garret chrysler T3 turbo chargers or the later mitsu version (same engine) this flange will fit. To use with all TURBO I & II turbochargers. CLICK HERE FOR A DRAWING	Click the links for a print of the desired flange to make sure you get the right part.