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 SHAFT, NOT 4140. THIS 4340 MATERIAL WILL... 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 43lbs!KEEP IN MIND THIS IS A 4340 CRANK SHAFT, NOT... 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, this is the kit for you. This kit comes with a... 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 JE pistons. This kit is the the ultimate... 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 stroker crank, GN1 5.970 h beam rods, and JE... MSRP: Was: Now: $2,299.00 Choose Options
A Set of Gn1 Billet Fuel Rails For Stock Intake Manifolds This is a set "Gn1Performance BILLET ALUMINUM BLACK FUEL RAILS FOR A STOCK INTAKE MANIFOLD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Featuring a -8 inlet and outlet, these rails will flow much better than the... MSRP: Was: Now: $389.00 Choose Options
AC Delete Bracket and Pulley This is a "A/C DELETE PULLEY AND BRACKET COMBO" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is to be used when you want to remove the A/C compressor and replace it with a light weight bracket... MSRP: Was: Now: $72.00 Add to Cart
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
Aftermarket Timing Cover with High Volume Gear Set This is a "After Market Front Timing Cover With built in high volume Oil Pump" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The cover is a direct replacement. It comes with all the hardware shown in the... MSRP: Was: Now: $249.00 Choose Options
Aluminum Heads This is a set of "Champion GN1 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 roller valve... MSRP: Was: Now: $3,895.00 Choose Options
ARP Flex Plate Bolts This is "A 6 PIECE SET OF ARP FLEX PLATE BOLTS" These high strength 12 point, black oxide bolts are to replace the factory weak flex plate bolts. MSRP: Was: Now: $30.00 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
ARP Intake Manifold Bolt Kit This is a Set of "ARP INTAKE MANIFOLD BOLT KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Will work with stock or Champion Intake Manifold. MSRP: Was: Now: $38.99 Add to Cart
ARP Main Studs This is a Set of "ARP MAIN STUDS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. MSRP: Was: Now: $109.00 Choose Options
Billet Aluminum 4 piece Pulley set This is a GN1Performance "4 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are CNC machined with a high polished finish. The kit includeds the crank pulley, water pump... MSRP: Was: Now: $499.00 Choose Options
Billet Aluminum 6 piece Pulley set This is a GN1Performance "6 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are CNC machined with a high polished finish. The kit includeds the crank pulley, water... MSRP: Was: Now: $549.00 Choose Options
Billet Aluminum 6 piece Pulley set Black Anodized This is a GN1Performance "BLACK ANODIZED 6 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are ANODIZED BLACK and CNC machined with a high polished finish. The kit... MSRP: Was: Now: $599.00 Choose Options
Billet Aluminum 7 piece Pulley set This is a GN1Performance "7 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are CNC machined with a high polished finish. The kit includeds the crank pulley, water pump... MSRP: Was: Now: $599.00 Choose Options
Billet Aluminum AC Cover This is a GN1Performance "BILLET CNC ALUMINUM A/C COMPRESSOR COVER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This cover is CNC machined with a high polished finish, these covers look very nice, but... MSRP: Was: Now: $129.00 Add to Cart
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 bracket. Not only does this piece look amazing, it is built... MSRP: Was: Now: $459.00 Add to Cart
Billet Aluminum Crank Pulley With Holes This is a GN1Performance "BILLET CNC ALUMINUM CRANK PULLEY WITH WHOLES" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pulley is CNC machined with a high polished finish. Not only do these pulleys look very... MSRP: Was: Now: $189.00 Choose Options
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 Tensioner bracket. Not only does this piece look amazing,... MSRP: Was: Now: $349.00 Add to Cart
Billet EGR Block off Plate Engraved Gn1 Logo This is a GN1Performance "EGR Block Off Plate with an Engraved Turbo and Gn1 logo on it" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Constructed out of billet aluminum. MSRP: Was: Now: $32.00 Add to Cart
Billet Fuel Rails For Stock Intake Manifolds This is a set "BILLET FUEL RAILS FOR A STOCK INTAKE MANIFOLD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Featuring a -8 inlet and outlet, these rails will flow much better than the factory rails, not to mention... MSRP: Was: Now: $359.00 Choose Options
