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 Cottons Performance Center
 105 Walnut St.
 Agawam, MA 01001
 Ph:  (413) 789-0531
 Fx:  (413) 789-0401
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Accufab 90mm Throttlebody
Product ID: FUE190
Accufab 90mm Throttlebody

Details 
billet Ford style 90mm throttlebody
List Price: $259.00
Price: $259.00
Throttle Body Gasket
Product ID: GAS
Throttle Body Gasket

Details 
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Price: $4.00
Fuel Filter
Product ID: GF652
Fuel Filter

Details 
AC Delco stock replacement fuel filter
List Price: $35.34
Price: $21.00
Front coil over kit
Product ID: GMP-SERIES-3
Front coil over kit

Details 

Coil-over performance for stock GM front-ends.
These HAL Pro coil systems are engineered from the ground up, to offer unmatched performance for stock GM front-ends. Pro Coil Systems 1 utilize the Proma Star AL adjustable coil-over shocks and springs, designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and 12-position valving adjustment for performance not found in other kits.    **You choose the correct spring for your application

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List Price: $479.95
Price: $449.95
4340 Steel 3.625 Stroker Crank
Product ID: GN1-3.625
4340 Steel 3.625 Stroker Crank

Details 
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.
Price: $750.00
Aluminum Pulley Set
Product ID: GN1-APS4
Aluminum Pulley Set

Details 
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 includes the crank pulley, water pump pulley, power steering pulley, and last but not least the alternator pulley. Not only do these pulleys look very nice, but they are also extremely light weight!
Price: $339.00
Aluminum Pulley set
Product ID: GN1-APS6
Aluminum Pulley set

Details 
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 includes the crank pulley, water pump pulley, power steering pulley, tensioner pulley, alt fan, and last but not least the alternator pulley. Not only do these pulleys look very nice, but they are also extremely light weight!
Price: $399.00
4340 Steel 3.400 Stock Stroke Crank
Product ID: GN1-C3.4
4340 Steel 3.400 Stock Stroke Crank

Details 
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.
Price: $650.00
Scorpion Roller Rockers Kit, 14 Bolt Heads
Product ID: GN1RKSTD
Scorpion Roller Rockers Kit, 14 Bolt Heads

Details 
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List Price: $290.00
Price: $285.00
Aluminum Stock Up Pipe Replacement
Product ID: GN1-SUP
Aluminum Stock Up Pipe Replacement

Details 
This is a GN1Performance "Stock Replacement Up Pipe" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item is a great upgrade from the factory steel throttle body up pipe. It is polished 2.5" aluminum pipe and also comes with (2) 2.5 hoses and (4) Heavy duty t clamps.
Price: $89.00
Aluminum Upper Radiator Pipe
Product ID: GN1-URP
Aluminum Upper Radiator Pipe

Details 
This is a GN1Performance "1 PIECE ALUMINUM UPPER RADIATOR PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This pipe comes complete with brand new hoses (2) and clamps(4) to mount on you car today. Its light weight and looks sharp! There are a couple of advantages to this item vs some of the others out on the market. Being that its 1 piece you only have 4 clamps where as others run 6 clamps including a 90 degree bend (more chances for something to slip off or crack). Another thing is you need not worrry about cracked hoses any more!
Price: $95.00
Ultra-Pro Rear End Cover
Product ID: GRD201-10
Ultra-Pro Rear End Cover

Details 
Ultimate and Ultra-Pro heat-treated aluminum covers protect the rear housing against case distortion, preventing increased side-bearing clearance and ring gear deflection
Price: $156.95
Ultimate Rear End Cover
Product ID: GRD301-10
Ultimate Rear End Cover
 		 
LPW support covers are the strongest rated support covers you can buy! They have been laboratory tested and certified to offer 40% more cap support to your performance vehicles rear end than any other brand! LPW Ultimate covers are the strongest cap support cover available and are the only covers offering the ability to add LPW's Axle-Tube Brace for unsurpassed total rear housing strength.
Price: $167.00
Aluminum Radiator
Product ID: GRIF-2.5OTC
Aluminum Radiator

Details 

This is the finest American built aluminum radiator your money will ever buy!! This one comes with a built in oil and transmission cooler. The stock trans cooler lines will fit without any mods as will the complete radiator.

 NOTE: must use the supplied fasteners for the AC lines on the front of the radiator support or damage will occur to the core.
Price: $579.95
Turbo, GTK-1000
Product ID: GTK-1000
Turbo, GTK-1000

Details 
HP76 turbine wheel. Comes standard in ball-bearing option with 4 bolt exhaust housing
List Price: $2,195.00
Price: $1,795.00
Turbo, GTK-850
Product ID: GTK-850
Turbo, GTK-850

Details 
HP72 turbine wheel. Comes standard in ball-bearing option with 4 bolt exhaust housing.
List Price: $1,995.00
Price: $1,695.00
 
Product ID: HE100-14
Champion GN-1 14 Bolt Heads

Details 
Champion GN1 aluminum heads will accommodate stage I or stage II blocks and three different rocker arm configurations. They are available as complete assembled units or fully machined bare castings. On the track or the street the Champion GN1 Aluminum head for the turbo V-6 is an excellent choice
Price: $1,649.00
Champion GN-1 8 Bolt Heads
Product ID: HE100-8
Champion GN-1 8 Bolt Heads

Details 
Champion GN1 aluminum heads will accommodate stage I or stage II blocks and three different rocker arm configurations. They are available as complete assembled units or fully machined bare castings. On the track or the street the Champion GN1 Aluminum head for the turbo V-6 is an excellent choice.
Price: $1,649.00
Champion Ported Iron Heads
Product ID: HE103
Champion Ported Iron Heads

Details 
Considering the purchase of a pair of ported Buick cast iron heads? If your not purchasing Champion CNC series, then you are not getting the most complete, consistent, and accurately machined Buick Iron Heads on the market today! The process begins by selecting only the best factory castings to assure the highest quality product possible. After cleaning and inspection the heat riser passage is filled with aluminum to enhance exhaust flow. The castings then begin the porting process on a CNC machining center. All operations performed on the CNC are completed in one setup eliminating the possible inaccuracy's that result from moving parts from one machine to another.
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Price: $1,279.00
Polished Upper Manifold
Product ID: HE106
Polished Upper Manifold

Details 
only the best, highly polished Accufab upper plenum
Price: $249.00

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Jack Cotton's 8.90 @ 154MPH 1986 Buick
 T-Type