Engine Components

  • 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
  • Camshaft Button Camshaft Button

    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 button where as the factory button is a...

    $25.00
  • Camshaft Kit with a 208/208 Cam Camshaft Kit with a 208/208 Cam Camshaft Kit with a 208/208 Cam

    Camshaft Kit with a 208/208 Cam

    This is a GN1Performance "CAMSHAFT KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit comes complete with a Isky 208/208 camshaft on a 112 lobe center which gives a smooth idle and works great...

    $599.00
  • Comp Cams Roller Camshaft

    Comp Cams Roller Camshaft

    This is a Comp Cams "ROLLER CAMSHAFT " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This includes the Comp Roller Camshaft only. Depending on your build, make the decision as to what Camshaft duration you would...

    $629.00
  • Cork Oil Pan Gasket Cork Oil Pan Gasket Cork Oil Pan Gasket Cork Oil Pan Gasket Cork Oil Pan Gasket

    Cork Oil Pan Gasket

    This is a "Gn1Performance Cork .25" Thick Oil Pan Gasket" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The gasket is a custom Gn1Performance product, The cork gasket is 1/4 of an inch think and is...

    $36.00
  • Cork Valve Cover Gaskets Cork Valve Cover Gaskets

    Cork Valve Cover Gaskets

    This is a set of "BUICK V6 CORK VALVE COVERS GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.

    $26.00
  • Crank Pulley Allen Bolts Stainless Steel Crank Pulley Allen Bolts Stainless Steel Crank Pulley Allen Bolts Stainless Steel

    Crank Pulley Allen Bolts Stainless Steel

    This is a "A Set of (6) GN1Performance Stainless Steel Crank Pulley Allen Bolts" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These Stainless Steel Allen head bolts replace the factory unsightly Crank...

    $8.00
  • Custom Pushrods

    Custom Pushrods

    This is a Custom set of "Smith Brothers Pushrods" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pushrods are available in any length and 5/16" in diameter, with a .080" wall thickness, with a ball end. Please...

    $299.00
  • Customizable Gasket Kit

    Customizable Gasket Kit

    This is a customizable gasket kit. Starting with a intake manifold Valley Pan gasket, add whichever gaskets from the options below, you are in need of to complete your build!*Please note, if you select "No" for all of the options below and...

    $0.00
  • 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.

    $169.00
  • GN1 Roller Rockers

    This is a set of "GN1 ROLLER ROCKER ARMS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These are available in 1.55 or 1.60 ratios. They bolt to factory Iron heads, however they must be notched to clear. Taller...

    $649.00
  • Gn1Performance 5970 Connecting Rods Gn1Performance 5970 Connecting Rods Gn1Performance 5970 Connecting Rods Gn1Performance 5970 Connecting Rods

    Gn1Performance 5970 Connecting Rods

    This is a set of "Gn1Performance 5970 Connecting Rods" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These are stock rod replacements that are custom built to fit your stock crank. They are bushed...

    $599.00
  • Gn1Performance 6350 Connecting Rods Gn1Performance 6350 Connecting Rods Gn1Performance 6350 Connecting Rods Gn1Performance 6350 Connecting Rods Gn1Performance 6350 Connecting Rods

    Gn1Performance 6350 Connecting Rods

    This is a set of "CUSTOM 6.350 GN1PERFORMANCE H BEAM CONNECTING RODS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. these are custom built to fit your Grand National They are bushed full floater rods which...

    $599.00
  • HR PartsNstuff Motor Mounts HR PartsNstuff Motor Mounts HR PartsNstuff Motor Mounts

    HR PartsNstuff Motor Mounts

    This is a pair of "HR Parts N Stuff Poly Motor Mounts" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These new mounts have proven to be indestructible on engines making 1400+ HP, and are stronger than even...

    $289.00
  • 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 pump and the manifold. It replaces the factory rusted out...

    $21.00
  • Mahle Main Bearings

    Mahle Main Bearings

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

    $125.00
  • 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) which comes complete with bolts also.

    $125.00
  • 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 replacement adapter. No gaskets are included.

    $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 to replace, especially when building a...

    $32.00