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
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 features a heavy duty bearing, excellent idle output, and... MSRP: Was: Now: $360.00 Add to Cart
Scan Master This is a "SCAN MASTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6 which is a perfect item to help you monitor and tune your car. Do all that with this little box which has a led screen display. MSRP: Was: Now: $289.00 Add to Cart
Hood Mount Fuel Pressure Gauge Kit This is "GN1PERFORMANCE EXCLUSIVE HOOD MOUNTED AUTOMETER / XRP FUEL PRESSURE GAUGE KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit consists of a AutoMeter Black faced fuel pressure gauge, a... MSRP: Was: Now: $299.00 Add to Cart
