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  • Valve Springs Valve Springs

    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...

    $149.00
  • Ported Heads Cast Iron Heads Ported Heads Cast Iron Heads Ported Heads Cast Iron Heads Ported Heads Cast Iron Heads Ported Heads Cast Iron Heads

    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...

    $2,695.00
  • PAC Roller Cam Valve Spring Kit

    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...

    $299.00
  • ARP Head Studs

    ARP Head Studs

    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.

    $135.00
  • Aluminum Heads Aluminum Heads Aluminum Heads Aluminum Heads Aluminum Heads

    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...

    $3,495.00
7 of 7 Items