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T31 (Narrow) 4 bolt Turbine Housing (GT3071R, GT3076R, GT35R, GTX30, GTX35)
Quantity in Basket: None
Code: ATP-HSG-055
Price: $249.00
Shipping Weight: 6.00 pounds
Select your turbo:
GT/GTX3071R with 60mm turbine wheel
GT/GTX3076R with 60mm turbine wheel
GT/GTX3082R with 60mm turbine wheel
GT/GTX35R (GT3582R) with 68mm turbine wheel
GT3071R-WG Dual BB, 84 Trim Turbine ($50 extra)
GT3071R-WG Dual BB, 90 Trim Turbine ($50 extra)
Turbine Housing A/R Choice:
.63 A/R
.82 A/R
T31 (Narrow) 4 bolt Turbine Housing (GT3071R, GT3076R, GT35R, GTX30, GTX35)

T31 (T3) turbine housing with 4 bolt outlet (2.5" bolt spacing). Fits turbine wheel found on all GT30 and GT35 series ball bearing turbos such GT3071R, GT3076R, GT3082R, GT35R (GT3582R), GTX30, GTX35. This is the alternate T3 housing with the narrower 4 bolt pattern and NOT the standard "GT 4 bolt" housing where the exhaust flange bolt spacing is 3" and has a longer tapered discharge on the downpipe side.

Alternate 2.5" V-Band machined outlet turbine housing available as Part number ATP-HSG-041. Click here for details.

Related Item(s)
Related Parts:
Code Name Price  
GRT-GSK-005 Gasket, T3 Turbine Inlet - UNDIVIDED $6.95
MIA-FST-030 8mm (1.25pitch) Stud $1.00
MIA-FST-031 8mm (1.25pitch) Nut, Locking Head $1.00
ATP-FLS-029 V-Band Adapter Module, Smaller 4 bolt (T31) 2.5" to 3" V-Band $59.00
ATP-FLS-032 Flange, Discharge T3/GT "T31" Narrow 4 Bolt, 2.5" Inner Diameter, MILD steel $18.00
ATP-GSK-012 Gasket, "T31" 4 Bolt Turbine Discharge Downpipe Gasket aka 2.5" 4 bolt $8.00
ATP-FLS-084 Discharge Flange T3/GT "T31" Narrow 4 Bolt 2.5" - Stainless $24.00
ATP-FST-039 Turbine Housing Clamp and Bolt Kit $19.95
ATP-FLS-038 Stainless Steel - T3 Inlet Weld Flange $39.00
ATP-FLS-001 Mild Steel - T3 Inlet Weld Flange $23.00