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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

Cam Sensor Cap with LED Timing Light
Product ID: CamSensorCapWithLED

Details 

This is a "CAM SENSOR CAP WITH LED TIMING LIGHT for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This Cap provides a simple and accurate procedure to set the required 25 degree ATDC cam sensor signal. It features a built-in LED which indicates an exact setting point. You simply rotate your engine to Top Dead Center and this cap does the rest. No need to index your crankshaft away from the timing mark! The slotted Mounting permits adjustment as needed for aftermarket camshafts. The cap is made of reinforced glass-filled high temperature thermoplastic for high heat conditions. This item gives you the advantage by allowing you to replace your old-technology GM sensor with this functionally improved, newly-designed part.

***This Cap will only function properly if you are running a AC Delco Ignition Module and a Original GM AC Delco Cam Sensor in your vehicle.

 ***All Cam Sensor Caps are Tested by the manufacturer to ensure proper functionality  

***Please note, this is for the cap ONLY.  

 

Price: $85.00

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: $199.00

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

Cometic Oil Pan Gasket
Product ID: CometicOilPanGasket

Details 

This is a "ONE PIECE COMETIC KEVLAR OIL PAN GASKETfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6Cometic oil pan gaskets feature KEVLAR composite construction to ensure maximum sealing! This gasket is a one piece!
Price: $23.00

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

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

Drive Shaft Loop
Product ID: DriveShaftLoop

Details 

This is a "HR PARTS N STUFF DRIVE SHAFT LOOP" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. NHRA requires a drive shaft loop on cars running 13.99 or quicker with slicks, or 13.00 with street tires and are a good idea on just about every performance car out there. This heavy duty Driveshaft-loop comes with the much preferred round design, and exceeds the NHRA requirements with a thicker 5/16" wall main ring/tube.This is for added protection at higher power and speeds, since we name brand 1/4" wall rings have been known to fail. These loops are built with either laser cut or CNC machined mounting plates for a perfect fit, welded all the way around each plate. Each loop is sand blasted and cleaned before the Powdercoat finish, and is available in black. 
Price: $95.00

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

Fuel Injectors Set
Product ID: FuelInjectors

Details 

This is a "Set of Fuel Injectors " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit comes with everything you see in the pictures. (6 Injectors only) The injectors are high impedance and work for many different applications. Chip is NOT included!

Price: $319.00

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