4340 Steel 3.400 Stock Stroke Crankshaft This is a GN1Performance "STOCK STROKE STEEL CRANK 3.400 " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.Crank weight is 43lbs!KEEP IN MIND THIS IS A 4340 CRANK... MSRP: Was: Now: $799.00 Choose Options
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... MSRP: Was: Now: $799.00 Choose Options
A Rotating Assembly Long Rod Stroker Kit This is a GN1Performance "LONG ROD STROKER KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. If your looking to be the bully on the track with your turbo 6,... MSRP: Was: Now: $2,399.00 Choose Options
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... MSRP: Was: Now: $2,199.00 Choose Options
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... MSRP: Was: Now: $2,299.00 Choose Options
Accessory Belt Tensioner and Idler Pulley Kit This is a "Accessory Belt Tensioner and Idler Pulley Kit" 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 tensioner. MSRP: Was: Now: $169.00 Add to Cart
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... MSRP: Was: Now: $29.00 Add to Cart
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. MSRP: Was: Now: $135.00 Choose Options
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... MSRP: Was: Now: $629.00 Choose Options
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... MSRP: Was: Now: $459.00 Add to Cart
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... MSRP: Was: Now: $349.00 Add to Cart
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. MSRP: Was: Now: $195.00 Add to Cart
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. MSRP: Was: Now: $165.00 Add to Cart
FlexPlate SFI External Balance This is a "SFI 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 EXTERNAL balance. MSRP: Was: Now: $299.00 Choose Options
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. MSRP: Was: Now: $299.00 Choose Options
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... MSRP: Was: Now: $469.00 Add to Cart
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... MSRP: Was: Now: $28.00 Add to Cart
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... MSRP: Was: Now: $1,099.00 Choose Options
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... MSRP: Was: Now: $1,199.00 Choose Options
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... MSRP: Was: Now: $59.00 Choose Options
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... MSRP: Was: Now: $32.00 Add to Cart
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... MSRP: Was: Now: $65.00 Add to Cart
Stainless Steel Intake and Exhaust Valve Set This is a set of "Severe Duty Pro Flo Intake and Exhaust Valves" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These Valves are for Factory Iron production... MSRP: Was: Now: $489.00 Add to Cart
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,... MSRP: Was: Now: $16.00 Add to Cart