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
ARP Balancer Bolt with This is "A ARP Harmonic Balancer Bolt ". As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 psi bolts that let... MSRP: Was: Now: $49.00 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 Bolts This is a Set of "ARP HEAD BOLTS" 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 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 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 Main Caps Center This is a Set of 2 "Billet Center main caps" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.***Rest assure, these Main caps are MADE IN USA. The caps are the same caps that have been around for many years... MSRP: Was: Now: $225.00 Choose Options
Billet Main Front Cap This is a "Billet Front main cap " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. ***Rest assure, these... MSRP: Was: Now: $129.00 Choose Options
Billet Main Rear Cap This is a "Billet Rear Main Cap" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These caps are the perfect upgrade to a stock Buick block (Especially 450HP and above) to prolong the life of your build. ***Rest... MSRP: Was: Now: $479.00 Choose Options
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
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: $169.00 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: $169.00 Choose Options
