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4340 Steel 3.400 Stock Stroke Crankshaft
Product ID: 4340Crank3.400

Details 

This is a GN1Performance "STOCK STROKE STEEL CRANK 3.400 " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.

Crank weight is 43lbs! 

KEEP IN MIND THIS IS A 4340 CRANK SHAFT, NOT 4140. THIS 4340 MATERIAL WILL SUPPORT 1000-1200 HP EASILY.  

This is a 2017 version, no knurl where the rear main seal sits!

   

Price: $599.00

4340 Steel 3.625 Stroker Crankshaft
Product ID: 4340Crank3.625

Details 

This is a GN1Performance "STEEL 3.625 STROKER CRANK " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a narrow journal width crank.

Crank weight is 43lbs!  

KEEP IN MIND THIS IS A 4340 CRANK SHAFT, NOT 4140. THIS 4340 MATERIAL WILL SUPPORT 1000-1200 HP EASILY.  

This is a 2017 version, no knurl where the rear main seal sits!

Price: $599.00

ARP Flex Plate Bolts
Product ID: ARPflexPlateBolts

Details 

This is "A 6 PIECE SET OF ARP FLEX PLATE BOLTS"  These high strength 12 point, black oxide bolts are to replace the factory weak flex plate bolts. 
Price: $30.00

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

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

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

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

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

Oil Pump Pickup And Screen
Product ID: OilPumpPickup

Details 

This is a "OIL PUMP PICK UP AND SCREEN" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a replacement for the factory Oil Pick and is extremely important to replace, especially when building a new motor!
Price: $32.00

Oil Splash Guard Pan
Product ID: OilSplashGuardPan

Details 

This is a "GN1Performance Aluminum Oil Splash Guardfor a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pan is designed to take the place of a valley pan gasket when running Fel-Pro 1200. This pan blocks hot oil from splashing up on the bottom of the intake manifold avoiding excess heat to the Intake Manifold. Also features notches for push rod clearance. Just lay a bead of silicone (top and bottom) and sandwich the lips between the block and the intake manifold and your done!
Price: $45.00

ARP Head Studs
Product ID: StudsHeadARP

Details 

This is a Set of "ARP HEAD STUDS " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
Price: $135.00

ARP Main Studs
Product ID: StudsMainARP

Details 

This is a Set of "ARP MAIN STUDS " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
Price: $109.00

ARP THREAD SEALER
Product ID: THREADSEALERARP

Details 

ARP Thread sealer. These PTFE based sealers have a rust and corrosion inhibitor. In aluminum, steel, stainless steel, and plastic, they deliver a flexible, leakproof seal against coolants, water, gasoline, natural gas, and LPG. These sealers will be effective from -30 to 550 degrees F, and have a sealant range of 10,000 psi.
Price: $16.00



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