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  • 4340 Steel 3.625 Stroker Crankshaft 4340 Steel 3.625 Stroker Crankshaft 4340 Steel 3.625 Stroker Crankshaft 4340 Steel 3.625 Stroker Crankshaft

    4340 Steel 3.625 Stroker Crankshaft

    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...

    $799.00
  • A Rotating Assembly Stock Stroke Kit A Rotating Assembly Stock Stroke Kit A Rotating Assembly Stock Stroke Kit A Rotating Assembly Stock Stroke Kit A Rotating Assembly Stock Stroke Kit

    A Rotating Assembly Stock Stroke Kit

    This is a GN1Performance "STOCK STROKE KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit comes with a 3.400 stock stroke crank, 5.970 h beam rods, and...

    $2,199.00
  • A Rotating Assembly Stroker Kit A Rotating Assembly Stroker Kit A Rotating Assembly Stroker Kit A Rotating Assembly Stroker Kit A Rotating Assembly Stroker Kit

    A Rotating Assembly Stroker Kit

    This is a GN1Performance "STROKER KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.The stroker kit you guys have been waitin for. This kit comes with a 3.625...

    $2,299.00
  • ARP Balancer Bolt ARP Balancer Bolt ARP Balancer Bolt

    ARP Balancer Bolt

    This is a "ARP 12 Point Balancer Bolt" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX. Harmonic Balancer Bolt, Chromoly, Black Oxide. As the crankshaft flexes, the balancer absorbs...

    $29.00
  • 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
  • ATI Super Damper Harmonic Balancer

    ATI Super Damper Harmonic Balancer

    This is a "ATI Super Damper Serpentine Series Harmonic Balancer" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX. ATI Super Damper Serpentine Series harmonic balancers are patented...

    $629.00
  • Billet Aluminum Accessory Bracket Billet Aluminum Accessory Bracket Billet Aluminum Accessory Bracket

    Billet Aluminum Accessory Bracket

    This is a "Billet Aluminum Accessory Bracket" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Great replacement for a broken original cast aluminum accessory...

    $459.00
  • Billet Aluminum GN1 Belt Tensioner Billet Aluminum GN1 Belt Tensioner Billet Aluminum GN1 Belt Tensioner Billet Aluminum GN1 Belt Tensioner Billet Aluminum GN1 Belt Tensioner

    Billet Aluminum GN1 Belt Tensioner

    This is a "Billet Aluminum GN1 Belt Tensioner and pulley" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Great replacement for a broken original cast aluminum...

    $349.00
  • Calico Main Bearings Calico Main Bearings

    Calico Main Bearings

    This is a set of "Standard Calico Coated Clevite Main Bearings" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.

    $195.00
  • Calico Rod Bearings

    Calico Rod Bearings

    This is a set of "Standard Calico Coated Clevite Rod Bearings" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.

    $165.00
  • FlexPlate SFI Neutral FlexPlate SFI Neutral

    FlexPlate SFI Neutral

    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.

    $299.00
  • Harmonic Balancer Harmonic Balancer Harmonic Balancer

    Harmonic Balancer

    This is a "SFI Harmonic Balncer with a crankshaft sensor trigger wheel" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This custom balancer works for a Internal...

    $469.00
  • Intake Manifold Coolant Nipple Intake Manifold Coolant Nipple

    Intake Manifold Coolant Nipple

    This is a "Billet Aluminum Coolant Nipple" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This the nipple that connects the "S bypass hose" between the water...

    $28.00
  • JE Stock Stroke Pistons JE Stock Stroke Pistons

    JE Stock Stroke Pistons

    This is a set of Stock stroke 3.400 JE Pistons for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The overwhelming choice of the world’s fastest Buick engine...

    $1,099.00
  • JE Stroker Pistons JE Stroker Pistons

    JE Stroker Pistons

    This is a set of Stock stroke 3.625 JE Pistons for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The overwhelming choice of the world’s fastest Buick engine...

    $1,199.00
  • Oil Filter Adapter Oil Filter Adapter

    Oil Filter Adapter

    This is a "OIL FILTER ADAPTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Replace your old clogged or damaged Oil Filter Adapter with this new direct...

    $59.00
  • Oil Pump Pickup And Screen

    Oil Pump Pickup And Screen

    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...

    $32.00
  • Oil Splash Guard Pan Oil Splash Guard Pan Oil Splash Guard Pan Oil Splash Guard Pan Oil Splash Guard Pan

    Oil Splash Guard Pan

    This is a "GN1Performance Aluminum Oil Splash Guard" for 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...

    $65.00
  • THREAD SEALER ARP

    THREAD SEALER ARP

    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,...

    $16.00
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