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Angled Lower Turbo Oil Return Fitting
Product ID: AngleOilReturn
Angled Lower Turbo Oil Return Fitting

Details 
This is a GN1Performance "45 DEGREE ANGLE LOWER TURBO OIL RETURN" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Constructed out of biller aluminum and a AN #10 fitting.
Price: $25.00
Brass Turbo upper Oil Return Fitting
Product ID: BrassOilRetunFitting
Brass Turbo upper Oil Return Fitting

Details 
This is a GN1Performance "BRASS UPPER TURBO OIL RETURN FITTING" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
Price: $25.00
Comp Turbo CT43 6765-Triple Ball Bearing Billet Turbo
Product ID: CompTurboCT43Series67653BB
Comp Turbo CT43 6765-Triple Ball Bearing Billet Turbo

Details 

This is a Comp Turbo "CT-43 6765 TRIPLE BALL BEARING Series Billet Turbo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The CT-43 Turbo with CT 67 Billet compressor wheel and HE65 light weight 10 blade Turbine wheel. It has a 4" intake and a 3" outlet. This turbo is good for anywhere from 500-950HP. This turbo has a TRIPLE ball bearing configuration (the only Turbo on the market with this technology) and is also equipped with a .63 exhaust housing and a anti-surge compressor housing. This model also features a a high polished finish.

*This item is also available in .82 exhaust housing, please specify when ordering.
Price: $1,595.00
Comp Turbo CT43 6767-Triple Ball Bearing Billet Turbo
Product ID: CompTurboCT43Series67673BB
Comp Turbo CT43 6767-Triple Ball Bearing Billet Turbo

Details 
This is a Comp Turbo "CT-43 6767 TRIPLE BALL BEARING Series Billet Turbo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The CT-43 Turbo with CT 67 Billet compressor wheel and HE67 light weight 10 blade Turbine wheel. It has a 4" intake and a 3" outlet. This turbo is good for anywhere from 500-950HP. This turbo has a TRIPLE ball bearing configuration (the only Turbo on the market with this technology) and is also equipped with a .63 exhaust housing and a anti-surge compressor housing. This model also features a a high polished finish.
Price: $1,595.00
Comp Turbo CT4 6765-360 Billet Turbo
Product ID: CompTurboCT4Series67360
Comp Turbo CT4 6765-360 Billet Turbo

Details 

This is a Comp Turbo "CT-4 67-360 Series Billet Turbo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The CT-4 Turbo with CT 67 Billet compressor wheel and HE65 light weight 10 blade Turbine wheel. It has a 4" intake and a 2.5" outlet.   This turbo is good for anywhere from 500-750HP. This turbo has a standard 360 Journal bearing configuration and is also equipped with a .63 exhaust housing and a anti-surge compressor housing. 

*This item is also available in .82 exhaust housing, please specify when ordering.
Price: $1,095.00
Comp Turbo CT4 6765-Triple Ball Bearing Billet Turbo
Product ID: CompTurboCT4Series673BB
Comp Turbo CT4 6765-Triple Ball Bearing Billet Turbo

Details 

This is a Comp Turbo "CT-4 6765 TRIPLE BALL BEARING Series Billet Turbo" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The CT-4 Turbo with CT 67 Billet compressor wheel and HE65 light weight 10 blade Turbine wheel. It has a 4" intake and a 2.5" outlet.   This turbo is good for anywhere from 500-850HP. This turbo has a TRIPLE ball bearing configuration (the only Turbo on the market with this technology) and is also equipped with a .63 exhaust housing and a anti-surge compressor housing. This model also features a high polished finish.

*This item is also available in .82 exhaust housing, please specify when ordering.
Price: $1,495.00
Custom Headers and Turbo Combo
Product ID: HeaderTurboCombo
Custom Headers and Turbo Combo

Details 
This is a set of GN1Performance "CUSTOM KB-4 HEADERS WITH FABRICATED 46MM WASTEGATE BLOW OFF AND SUPER T TURBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.The difference between these and the regular "KB Headers" is a 4 bolt flange rather than a 3 bolt. They feature HUGE ports and are welded all the way around each tube!  These headers are only available in none polished raw stainless finish. They are complete with gaskets, clamps, and cross pipe. These headers have been fabricated for a 46mm wastegate blow off that dumps into the atmosphere. The waste gate is a Gn1Performance custom billet 46mm gate. The turbo included in this package is our GN1Performance "SUPER T 72 or 76 (customers preference) TURBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This turbo feature a Q Trim wheel, 4" inlet, 4 Bolt flange, 3.5" V Band Exhaust Housing and a 81 Exhaust housing. The kit comes with everything pictured including all clamps and gaskets necessary.
*These are for competition use only modifications or adjustments maybe required
Price: $1,695.00
Custom 66 Turbo
Product ID: Turbo66
Custom 66 Turbo

Details 
This is a GN1Performance "66 TURBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This turbo feature a P Trim wheel, 4" inlet, and a 63 Exhaust housing.
Price: $699.00
Custom Super T 72 Turbo
Product ID: Turbo72
Custom Super T 72 Turbo

Details 
This is a GN1Performance "SUPER T 72 TURBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This turbo feature a Q Trim wheel, 4" inlet, 4 Bolt flange, 3.5" V Band Exhaust Housing and a 81 Exhaust housing.
Price: $899.00
Custom Super T 76 Turbo
Product ID: Turbo76
Custom Super T 76 Turbo

Details 
This is a GN1Performance "SUPER T 76 TURBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This turbo feature a Q Trim wheel, 4" inlet, 4 Bolt flange, 3.5" V Band Exhaust Housing and a 81 Exhaust housing.
Price: $899.00
Turbo Heat Reducer
Product ID: TurboHeatReducer
Turbo Heat Reducer

Details 

This is a GN1Performance "TURBO HEAT COVER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a nice item for those not running a turbo cover or have large exhaust housings and want to keep the heat in the engine compartment to a minimum.
Price: $110.00
Turbo Heat Reducer Small
Product ID: TurboHeatReducerSmaller
Turbo Heat Reducer Small

Details 

This is a GN1Performance "TURBO HEAT COVER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a nice item for those not running a turbo cover or have large exhaust housings and want to keep the heat in the engine compartment to a minimum.
Price: $89.00
3 Bolt to 4 Bolt conversion
Product ID: TurboPlate
3 Bolt to 4 Bolt conversion

Details 
This is a GN1Performance "3 bolt to 4 bolt conversion plate" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item allows you to run a 3 bolt turbo with 4 bolt headers or vice versa.
Price: $65.00




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