Valve Cover Black Powder Coat with Breather Neck Engraved with Billet Breathers MSRP: Was: Now: $399.00 Choose Options
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
Johnson Hydraulic Roller Lifter Set This is a set of "JOHNSON HYDRAULIC ROLLER LIFTERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. MSRP: Was: Now: $725.00 Choose Options
Mahle Camshaft Bearings This is a set of "Mahle Camshaft Bearings" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. MSRP: Was: Now: $129.00 Add to Cart
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)... MSRP: Was: Now: $149.00 Add to Cart
Morel Hydraulic Roller Lifter Set This is a set of "MOREL HYDRAULIC ROLLER LIFTERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. MSRP: Was: Now: $539.00 Add to Cart
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
PAC Roller Cam Valve Spring Kit 1201 This is a "ROLLER CAMSHAFT PAC VALVE SPRING KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a Pac 1201 Spring set. OD Outer: 1.260 ID Outer: 0.860... MSRP: Was: Now: $399.00 Choose Options
PAC Roller Cam Valve Spring Kit 1201X This is a "ROLLER CAMSHAFT PAC VALVE SPRING KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a Pac 1201-X Spring set. OD Outer: 1.260 ID Outer: 0.860... MSRP: Was: Now: $479.00 Choose Options
Pair of Valve Cover Breather Grommets This is a "Pair of Valve Cover Breather Grommets" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These baffled grommet have a 1/4in. groove for aluminum valve... MSRP: Was: Now: $9.99 Add to Cart
Ported Heads Cast Iron Heads This is a GN1Performance "PORTED CAST IRON HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The heads feature a 170 stainless valves and exhaust are 160...
Powermaster 200amp Alternator This is a "Powermaster 200 AMP Alternator" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This high output alternator is a direct fit and puts out 200amps. It... MSRP: Was: Now: $369.00 Add to Cart
Rollmaster Gold Series Double Roller Timing Chain Set This is a "Rollmaster Double Roller Timing Chain Set" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This set only include the timing chain as shown in the... MSRP: Was: Now: $209.00 Choose Options
Shimmed Adjustable Camshaft Button This is a "Comp Cams Shimmed Adjustable 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, especially for a roller... MSRP: Was: Now: $86.00 Add to Cart
Spring 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... MSRP: Was: Now: $34.00 Add to Cart
Stage 1 and Stage 2 Cometic Head Gaskets .040" This is a pair of "COMETIC HEAD GASKETS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The thickness is.040" MSRP: Was: Now: $199.00 Choose Options
Stainless Steel Heater Lines This is a "STAINLESS STEEL HEATER CORE LINE" replacement for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6, which mounts up to the passenger side of the intake... MSRP: Was: Now: $119.00
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
Stock CNC Ported Intake Manifold This is a "CNC PORTED STOCK INTAKE MANIFOLD" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.This item is sold on a exchange basis ONLY. Customer must ship us... MSRP: Was: Now: $1,295.00 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
Valve Cover Black Powder Coat with Breather Neck Engraved with Billet Breathers This is a set of "BUICK V6 BLACK POWDER COAT WRINKLE FINISH VALVE COVERS WITH 45 DEGREE ANGLE AND BLACK BILLET BREATHERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8... MSRP: Was: Now: $399.00 Choose Options
Valve Cover Breathers Billet Aluminum This is a set of "Gn1Performance BILLET ALUMINUM VALVE COVER BREATHERS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These billet aluminum breathers come in... MSRP: Was: Now: $59.00 Choose Options