Engine Components

  • 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
  • Mini Starter

    Mini Starter

    This is a GN1Performance "MINI STARTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Its a great high torque light wieght item (10lbs vs the stock at 20lbs)...

    $149.00
  • 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
  • PAC Roller Cam Valve Spring Kit 1201

    PAC Roller Cam Valve Spring Kit 1201

    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. This is a Pac 1201 Spring set.  OD Outer: 1.260 ID Outer: 0.860...

    $399.00
  • PAC Roller Cam Valve Spring Kit 1201X

    PAC Roller Cam Valve Spring Kit 1201X

    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. This is a Pac 1201-X Spring set.  OD Outer: 1.260 ID Outer: 0.860...

    $479.00
  • Pair of Valve Cover Breather Grommets

    Pair of Valve Cover Breather Grommets

    This is a "Pair of Valve Cover Breather Grommets" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These baffled grommet have a 1/4in. groove for aluminum valve...

    $9.99
  • 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...

  • Powermaster 200amp Alternator Powermaster 200amp Alternator Powermaster 200amp Alternator Powermaster 200amp Alternator

    Powermaster 200amp Alternator

    This is a "Powermaster 200 AMP Alternator" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This high output alternator is a direct fit and puts out 200amps. It...

    $369.00
  • Shimmed Adjustable Camshaft Button

    Shimmed Adjustable Camshaft Button

    This is a "Comp Cams Shimmed Adjustable Camshaft Button" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is highly recommended, especially for a roller...

    $86.00
  • Spring Camshaft Button Spring Camshaft Button

    Spring Camshaft Button

    This is a "Camshaft Button" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is highly recommended to change out on every camshaft, this is a needle bearing...

    $34.00
  • Stainless Steel Heater Lines Stainless Steel Heater Lines Stainless Steel Heater Lines Stainless Steel Heater Lines Stainless Steel Heater Lines

    Stainless Steel Heater Lines

    This is a "STAINLESS STEEL HEATER CORE LINE" replacement for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6, which mounts up to the passenger side of the intake...

    $119.00
  • Stock CNC Ported Intake Manifold Stock CNC Ported Intake Manifold Stock CNC Ported Intake Manifold Stock CNC Ported Intake Manifold Stock CNC Ported Intake Manifold

    Stock CNC Ported Intake Manifold

    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...

    $1,295.00
  • 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
  • Valve Cover Breathers Billet Aluminum Valve Cover Breathers Billet Aluminum Valve Cover Breathers Billet Aluminum Valve Cover Breathers Billet Aluminum Valve Cover Breathers Billet Aluminum

    Valve Cover Breathers Billet Aluminum

    This is a set of "Gn1Performance BILLET ALUMINUM VALVE COVER BREATHERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These billet aluminum breathers come in...

    $59.00