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
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... 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... MSRP: Was: Now: $315.00 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... MSRP: Was: Now: $3,895.00
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 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: $44.99 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
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 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... 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... 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... 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... 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... 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... 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... 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... MSRP: Was: Now: $42.00 Add to Cart
Billet Fuel Rails For Stock Intake Manifolds Black Anodized 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... MSRP: Was: Now: $389.00 Choose Options
