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3 Bolt to 4 Bolt conversion
Product ID: ConversionTurboPlate

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

Cork Oil Pan Gasket
Product ID: CorkOilPanGasket

Details 

This is a "Gn1Performance Cork .25" Thick Oil Pan Gasketfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The gasket is a custom Gn1Performance product, The cork gasket is 1/4 of an inch think and is the best alternative to the other gaskets on the market. 
Price: $32.00

Customizable Gasket Kit
Product ID: CustomGasketKit

Details 

This is a customizable gasket kit. Starting with a intake manifold Valley Pan gasket, add whichever gaskets from the options below, you are in need of to complete your build!

*Please note, if you select "No" for all of the options below and check out, you will not receive anything. However, if you select "Yes" for only one option you will only receive that one item. 

Also, all of the options must have either a "Yes' or "No" to be able to add them to your cart and check out. 

Price: $0.00

Deep Aluminum Trans Pan
Product ID: DeepAluminumTransPan

Details 

This is a "Deep Transmission Pan for afactory 200-r4 Buick Trans " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is an all aluminum deep aluminum transmission pan which holds more fluid for cooler temps, heavy duty thick material for added strength, machined gasket surface to allow the ultimate seal, magnetic drain plug, and all the hardware needed to bolt it up to your car today.
Price: $249.00

HO Dual Fans and Aluminum Shroud Setup
Product ID: DualFanSetUpHO

Details 

This is a GN1Performance "HO 2720cfm DUAL FAN SETUP AND ALUMINUM SHROUD FOR YOU RADIATOR" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Also this item will work with my vehicles.This product not only looks great in the car, but also most importantly keeps your car running cool especially for those of you running front mount intercoolers. THIS IS A DIRECT BOLT IN PLUG AND PLAY ITEM! The fans have the correct plugs to plug right into your factory harness. Comes with 2 HIGH FLOWING HIGH OUTPUT 12" inch SPAL fans (1390 cfm EACH), and draw 13.5 amps. Also includes a relay kit to allow full  power and advantage of these fans with a delay for the second fan so the kit doesnt draw too many amps at once avoiding blown fuses. The shroud is hand built out of aluminum with tabs, and mounting hardware. The shroud dimensions are 25x14x1.

*Radiator is not included in this kit 

Price: $435.00

Billet EGR Block off Plate Engraved Power 6 Logo
Product ID: EGRBlockPlate

Details 

This is a GN1Performance "EGR Block Off Plate with an Engraved power 6 logo on it" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Constructed out of billet aluminum.
Price: $22.00

3" Inch K&N Air Filter
Product ID: Filter3.0InchAirFilter

Details 

This is a  "K&N 3" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $65.00

3.5" Inch K&N Air Filter
Product ID: Filter3.5InchAirFilter

Details 

This is a  "K&N 3.5" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $65.00

4 Inch K&N Air Filter
Product ID: Filter4InchAirFilter

Details 

This is a  "K&N 4" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $65.00

SFI FlexPlate External Balance
Product ID: FlexPlateExternalBalance

Details 

This is a "SFI FLEXPLATE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This flex plate is for an EXTERNAL balance.
Price: $169.00

SFI FlexPlate Neutral
Product ID: FlexPlateNeutral

Details 

This is a "SFI NEUTRAL FLEXPLATE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This flex plate is for an INTERNAL balance.
Price: $169.00

Gasket SCE Header
Product ID: GasketSCEHeader

Details 

This is a set of SCE "HEADER GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6Clean, flat surfaces are essential to a good seal. and the best way to seal a exhaust is with SCE Pro Copper embossed exhaust gaskets. These copper exhaust gaskets feature an embossed O-ring around the exhaust port to increase sealing pressure for a tight, leak-proof seal, even on imperfect surfaces. 
Price: $59.00

Gauge Pod Center Console Mount Double
Product ID: GaugePodCenterConsoleMountDouble

Details 

This is a "CENTER CONSOLE MOUNT DOUBLE GAUGE POD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pod mount sits under the radio in the center console and allows you to mount TWO 2-1/16″ or 2-1/8″ gauges. Great to monitor boost and oil pressure! Includes double sided tape to mount the pod, no holes necessary. Comes in Grey only.
Price: $37.00

Gauge Pod Pillar Mount Double
Product ID: GaugePodPillarMountDouble

Details 

This is a "PILLAR MOUNT DOUBLE GAUGE POD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pod mounts to the windshield A pillar and allows you to mount TWO 2-1/16″ or 2-1/8″ gauges. Great to monitor boost and oil pressure! Includes double sided tape to mount the pod, no holes necessary. Comes in Grey only.
Price: $41.00

Gauge Pod Pillar Mount Single
Product ID: GaugePodPillarMountSingle

Details 

This is a "PILLAR MOUNT SINGLE GAUGE POD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pod mounts to the windshield A pillar and allows you to mount any 2-1/16″ or 2-1/8″ gauges. Great to monitor boost! Includes double sided tape to mount the pod, no holes necessary. Comes in Grey only.
Price: $33.00

High Rise Center Console with Cup Holders
Product ID: HighRiseCenterConsole

Details 

This is a  "HIGH RISE CENTER CONSOLE WITH CUP HOLDERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This console is built in the USA and is an awesome item for these cars. The console looks as if it came from the factory with the advantage of cup holders and a padded arm rest. The Console is wrapped in leather and is available in the two tone black and grey as shown, solid black, or solid grey.

Console Length Short
Long (Covers Ashtray) (+$10.00)
Price: $140.00

HR PartsNstuuf Motor Mounts
Product ID: HRpartsMotorMounts

Details 

This is a pair of "HR Parts N Stuff Poly Motor Mounts" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These new mounts have proven to be indestructible on engines making 1400+ HP, and are stronger than even the solid type mounts.  The Poly mounts are designed to benefit the every-day driver as well as the full time racer, at any performance level. Select the vehicle from the list below to find the mounts for your vehicle.

 

***These are always in stock!!! No delays in the shipping process. 

Price: $249.00

Liquid Filled Fuel Pressure Gauge and XRP Fitting
Product ID: LiquidFilledFuelPressureGaugeXRPfitting

Details 

This is "GN1PERFORMANCE EXCLUSIVE LIQUID FILLED FUEL PRESSURE GAUGE and XRP FITTING for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is the gauge that goes on the fuel rail in the engine compartment. The fitting is an exclusive Gn1Performance part from XRP. Comes with all the fittings needed to mount it today. 

 

Price: $79.00

Engine Oil Cooler Kit
Product ID: OilCoolerKit

Details 

This is a GN1Performance "Engine Oil Cooler" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The kit includes a custom billet oil cooler adapter, 2 steel breaded lines, a brass oil filter adapter and the cooler itself.
Price: $249.00

Lower Turbo Oil Return Fitting Angled
Product ID: OilReturnAngle

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

Lower Turbo Oil Return Fitting Straight
Product ID: OilReturnStraight

Details 

This is a GN1Performance "STRAIGHT 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

Poly Transmission Crossmemeber Mount Pads
Product ID: PolyTransCrossMemeberMount

Details 

This is a HRparts "Transmission Crossmember Mount pads " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 running the factory trans crossmember. These are made of Polyurethane material, which is substantially stronger than the factory rubber mounts. These are perfect for daily drivers and track cars!
Price: $80.00

Ported Heads Cast Iron Heads
Product ID: PortedCastIronHeads

Details 

This is a GN1Performance "PORTED CAST IRON HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The heads feature a 170 stainless valves and exhaust are 160. They have new keepers, EGR filled for delete, new retainers, and new springs for a roller or regular hydraulic cam. 

 This item is in stock, PLEASE CALL FOR PRICING 

Price: $0.00
Out of Stock

Rear Adjustable Upper and Lower Control Arms
Product ID: RearUpperAndLowerControlArms

Details 

This is a Set of  GN1Performance "ADJUSTABLE REAR UPPER AND LOWER CONTROL ARMS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 G-Body Car. These control arm include all the hardware as pictured. Constructed out of high quality aircraft billet aluminum and are Direct replacements for the cheap stock thin metal arms! These increase your cars stability greatly, not mention look amazing!

 *These after market control arms are factory replacement. They come with larger than factory bolts for added strength and durability. Some modifications maybe be needed to allow the after market grade 8 bolt to fit properly. If you wish not to make modifications then you may also use the preexisting factory bolts.

Price: $430.00

SCE Turbo Gasket
Product ID: SCETurboGasket

Details 

This is a Comp Turbo "SCE Turbo Flange Copper Gasket" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This Original SCE Pro Copper Embossed Turbo Flange Gasket is the only way to go to achieve the ultimate header to turbo seal!
Price: $19.99

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