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A Turbo Oil Feed Kit
Product ID: ATurboOilFeedKit

Details 

This is a GN1Performance "Turbo Oil Feed & Return kit" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. All made for GN1 exclusively by XRP! The kit includes everything you see in the pictures. One custom Stainless Steel braided oil feed line with a 60 micron filter to save debris from traveling through your turbo. Fitted with Stainless Steel 90 degree fittings, we even supply you with the correct XRP fitting to adapt the feed line to your OEM brass block.

All made in U.S.A

We recommend you clean the inline filter every time you change your vehicles oil. 

Price: $169.00

A Turbo Oil Return Kit
Product ID: ATurboOilReturnKit

Details 

This is a GN1Performance "Turbo Oil Return kit" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. All made for GN1 exclusively by XRP! The kit includes everything you see in the pictures. A custom fabricated Turbo Oil Return line with XRP pressed on -10 fittings (one end swivels). To adapt this lower return line to the turbo we supply you with a -10 male end fitting to bolt to your turbo and a gasket as well, you also get a male end XRP fitting to put on the engine block to complete the install.

All made in U.S.A

Price: $139.00

Twin Turbo Intercooler
Product ID: ATwinTurboIntercooler

Details 

This is a GN1Performance "TWIN TURBO INTERCOOLER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Its custom hand built aluminum twin turbo intercooler with the bar and plate core. The core itself is 24x7x3. Overall dimensions are 30x14x3. The inlets are 3" and the one outlet is 3".
Price: $549.00

JE Stock Stroke Pistons
Product ID: BAStockStrokePistons

Details 

This is a set of Stock stroke 3.400 JE Pistons for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
 
The overwhelming choice of the world’s fastest Buick engine builders. These pistons are engineered to produce maximum horsepower in extreme boost or nitrous applications. The inverted dome is designed to duplicate the factory compression ratio and the precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. 
 
Kit includes 6 Pistons (bore of your choice), .940 pins wth double spiro locks, and rings! 

 
Please specify what bore you would like upon purchasing  
Price: $699.00

JE Stroker Pistons
Product ID: BAStrokerPistons

Details 

This is a set of Stock stroke 3.625 JE Pistons for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
 
The overwhelming choice of the world’s fastest Buick engine builders. These pistons are engineered to produce maximum horsepower in extreme boost or nitrous applications. The inverted dome is designed to duplicate the factory compression ratio and the precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. 

Kit includes 6 Pistons (bore of your choice), .940 pins wth double spiro locks, and rings! 
 
Please specify what bore you would like upon purchasing  
Price: $749.00

Aluminum Battery Box
Product ID: BatteryBox

Details 

This is a GN1Performance "ALUMINUM BATTERY BOX KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a all aluminum battery box, perfect for mounting in the trunk of your race car. Comes with everything in the pictures and cables also.

Price: $139.00

Billet Alternator Relocation Bracket
Product ID: BilletAltBracket

Details 

This is a BUICK BILLET ALTERNATOR RELOCATION BRACKET " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. 

Price: $269.00

Billet Fuel Rails For Stock Intake Manifolds
Product ID: BilletFuelRailsForStockIntake

Details 

This is a set "BILLET FUEL RAILS FOR A STOCK INTAKE MANIFOLD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Featuring a -8 inlet and outlet, these rails will flow much better than the factory rails, not to mention these things look amazing under the hood! This set of billet fuel rails is great up grade for many applications, and WILL accept the a factory style fuel regulator. All the hardware seen in the pictures is included. 
Price: $325.00

Billet Main Caps
Product ID: BilletMainCaps

Details 

This is a Set of 2 "Billet Center main caps " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
Price: $189.00

Billet Aluminum 6 piece Pulley set Black Anodized
Product ID: BlackAluminumPulleySet6

Details 

This is a GN1Performance "BLACK ANODIZED 6 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are ANODIZED BLACK and CNC machined with a high polished finish. The kit includeds the crank pulley, water pump pulley, power steering pulley, tensioner pulley, alt fan, and last but not least the alternator pulley. Not only do these pulleys look very nice, but they are also extremely light weight!
Price: $449.00

Black Throttle Body 72mm
Product ID: BlackThrottleBody72

Details 

This is a "BLACK ANODIZED BILLET ALUMINUM 72mm THROTTLE BODY" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. With this throttle body you will have a quicker throttle response and faster turbo spool up, not to mention it's Billet Machine finish looks really sharp! This throttle body has a very unique feature, the Idle control motor mounts at a 45 degree angle to elminate the use of the old style "angle boss" (as shown in picture 5 of 5, IAC housing not included) This product is made in the U.S.A and also features our logo on the inner flap!
Price: $315.00

Valve Cover Black Powder Coat Engraved with Black Breathers
Product ID: BlkValveCoversEngravedBlackBreathers

Details 

This is a set of "BUICK V6 BLACK POWDER COAT WRINKLE FINISH VALVE COVERS WITH 45 DEGREE ANGLE AND BLACK BILLET BREATHERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These valve covers feature the new built in 45 degree angle tubes for the breathers to avoid oil leaks from the breathers, they also have a creative block plate to help stop that issue (shown in pictures). Also these valve covers feature the Buick and Power Six logo engraved into the aluminum valve cover. The valve covers are all one piece with the tube molded into the design. If you having blow by leakage issues leading to oil dripping on your headers and creating smoke then this is the right item for you. The Valve covers have a durable black wrinkle powder coat finish. Also included in this kit are our all NEW billet aluminum black breathers!

All the hardware is included, bolts, rubber grommets, billet breathers, and valve covers. (no gaskets)

As always it is highly recommended that you thoroughly wash all parts including valve covers before installing. We are not liable for any damages that may occur by not doing so. It is possible some debris maybe left over from the powder coating process.   

Would you like to add Valve Cover Gaskets? Yes (+$25.00)
No
Price: $335.00

Valve Cover Black Powder Coat Engraved with Polished Breathers
Product ID: BlkValveCoversEngravedPolishedBreathers

Details 

This is a set of "BUICK V6 BLACK POWDER COAT WRINKLE FINISH VALVE COVERS WITH 45 DEGREE ANGLE AND POLISHED BILLET BREATHERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These valve covers feature the new built in 45 degree angle tubes for the breathers to avoid oil leaks from the breathers, they also have a creative block plate to help stop that issue as shown in pictures. Also these valve covers feature the Buick and Power Six logo engraved into the aluminum valve cover. The valve covers are all one piece with the tube molded into the design. If you having blow by leakage issues leading to oil dripping on your headers and creating smoke then this is the right item for you. The Valve covers have a durable black wrinkle powder coat finish. Also included in this kit are our all NEW billet aluminum polished breathers!

All the hardware is included, bolts, rubber grommets, billet breathers, and valve covers. No gaskets

***As always it is highly recommended that you thoroughly wash all parts including valve covers before installing. We are not liable for any damages that may occur by not doing so. It is possible some debris maybe left over from the powder coating process.

Would you like to add Valve Cover Gaskets? Yes (+$25.00)
No
Price: $335.00

Billet Blow Off Valve
Product ID: BlowOffValve

Details 

This is a "Billet Aluminum Blow Off Valve". This comes with all of the hardware shown in the pictures. Includes a aluminum flange to weld on your existing tubing and a stiffer spring to work on any application.

*Intercooler pipe not included in this kit 

Price: $189.00

Boost Controller
Product ID: BoostController

Details 

This is a Boost Controller which is good for up to 50psi. It comes complete with all the hardware, fittings, and mounting brackets necessary..
Price: $99.00

Brass Turbo upper Oil Return Fitting
Product ID: BrassOilRetunFitting

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

Calico Camshaft Bearings
Product ID: CalicoCamshaftBearings

Details 

This is a set of "Calico Coated Clevite Camshaft Bearingsfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $95.00

Calico Main Bearings
Product ID: CalicoMainBearings

Details 

This is a set of "Standard Calico Coated Clevite Main Bearingsfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Bearing Size Standard
Cut 10/10
Price: $95.00

Calico Rod Bearings
Product ID: CalicoRodBearings

Details 

This is a set of "Standard Calico Coated Clevite Rod Bearingsfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
Bearing Size Standard
Cut 10/10
Price: $70.00

Camshaft Button
Product ID: CamButton

Details 

This is a "Camshaft Button" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is highly recommended to change out on every camshaft, this is a needle bearing button where as the factory button is a plastic piece. This keeps the valve train running smoothly, and does not allow the camshaft to walk forward or backward. 
Price: $21.00

Pair of Cometic Head Gaskets .040"
Product ID: CometicHeadGaskets

Details 

This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is .040"

Price: $176.00

Pair of Cometic Head Gaskets .060"
Product ID: CometicHeadGaskets060

Details 

This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6The thickness is .060"

 

This is a custom order item and will arrive 2 weeks after initial purchase 

Price: $199.00

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

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

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