Engine Components - Cylinder Heads

Custom Gn1 Performance Cometic Head Gaskets .040"

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Was:

Now: $199.00

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Valve Springs

MSRP:

Was:

Now: $199.00

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Ported Heads Cast Iron Heads

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Was:

Now: $2,695.00

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Stage 1 and Stage 2 Cometic Head Gaskets .040"

MSRP:

Was:

Now: $199.00

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PAC Roller Cam Valve Spring Kit

MSRP:

Was:

Now: $299.00

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ARP Head Bolts

MSRP:

Was:

Now: $135.00

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Aluminum Heads

MSRP:

Was:

Now: $3,495.00

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Custom Gn1 Performance Cometic Head Gaskets .040"

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"

MSRP:

Was:

Now: $199.00

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Valve Springs

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...

MSRP:

Was:

Now: $199.00

Add to Cart
Ported Heads Cast Iron Heads

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...

MSRP:

Was:

Now: $2,695.00

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Stage 1 and Stage 2 Cometic Head Gaskets .040"

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"

MSRP:

Was:

Now: $199.00

Choose Options
PAC Roller Cam Valve Spring Kit

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: 1.260ID Outer: 0.860Damper: YesID Inner: 0.770Installed Height (Valve Closed): 140 @ 1.750Open Load...

MSRP:

Was:

Now: $299.00

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ARP Head Bolts

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

MSRP:

Was:

Now: $135.00

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Aluminum Heads

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...

MSRP:

Was:

Now: $3,495.00

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