Specifications

• GT25 / GT28 Turbine Inlet
• 5 Bolt Exhaust Outlet
• Internally Wastegated
• Available in .64 & .86 A/R

• GT28RS/GT2871R/GT2876R: 53.5mm Turbine Wheel
• GT3071R 84Trim: 56.5mm Turbine Wheel*
• GT3071R 90Trim: 56.5mm Turbine Wheel*
• *$75.00 Additional Machining Costs
• Smaller GT25R-GT2554R .64 A/R Only
• Smaller GT28R-GT2560R .64 A/R Only

Default turbine housing on most GT25R through GT28R Ball Bearing Turbochargers.

• GT25, GT28 Undivided Base Gasket - Stainless Steel (1)

• GT25 to GT30 Exhaust Outlet Gasket (1)
• 5 Bolt - Stainless Steel 

• Turbine Housing Clamp and Bolt Kit (1)
• Includes Two Half Circle Clamps & 6 bolts

• Stud - M8x1.25 x 2" (1)
• ½" x ¼" x 1¼"

• Premium Copper-Clad Toplock Exhaust Nut (1)
• Nut - M8x1.25 Locking
• Suits 12mm Spanner for Tight Fits

• 5 Bolt to 3" V-Band Adaptor Kit Includes:
• Flange Plate, 3" Tube, 3" V-Band, Tig Welding
• Mating 3" V-Band Weld Ring - Mild Steel 
• 3" V-Band Clamp - Stainless Steel
• Studs (5) Locking Nuts (5) 

• As Above with Mating V-Band Ring in Stainless Steel