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Aluminum Heads
Product ID: AluminumHeads

Details 

This is a GN1Performance "ALUMINUM HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The heads feature stainless valves. these are for competition use and ready to bolt on. They also include the roller valve spring upgrade kit.

 This item is in stock, please call for more information if needed

Roller Rocker Style
T&D Shaft Style Roller Rocker
Scorpion Style Individual Rockers (+$165.00)
Price: $2,495.00
Out of Stock

Stock CNC Ported Manifold
Product ID: AStockPortedManifold

Details 

This is a "CNC PORTED STOCK INTAKE MANIFOLD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6

 This item is sold on a exchange basis ONLY. Customer must ship us their old manifold and if the core is in proper condition we will ship you out a new manifold. Customer is responsible for the shipping costs of the old manifold. 

Core charge is $300 
Price: $599.00

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

PAC Roller Cam Valve Spring Kit
Product ID: PacRollerCamValveSpringKit

Details 

This is a "ROLLER CAMSHAFT PAC VALVE SPRING KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6

OD Outer: 1.260

ID Outer: 0.860

Damper: Yes

ID Inner: 0.770

Installed Height (Valve Closed): 140 @ 1.750

Open Load (Valve Open): 410 @ 1.200

Spring Rate: 540

Max Coil Bind: 1.115

Max Lift: 0.550 

Price: $299.00

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. They also include the roller valve spring upgrade kit.

 This item is in stock, please call for more information if needed.

Price: $2,195.00

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 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

Valve Springs
Product ID: ValveSpring

Details 

This is a set of "Isky Valve Springs" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These valve springs are great for factory flat tappet replacement or new flat tappet camshaft installation. The springs are 110lbs spring pressure.


Price: $149.00



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