Describe your image here
Describe your image here
Describe your image here
$1,695.00
Piston Bore: .010
.020
Stock Stroke Kit (Factory replacement kit)
This is a "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 JE pistons. This kit is the the ultimate rebuild kit on the market for your buick 3.8 turbo.
.030
.040
Describe your image here
Describe your image here
Describe your image here
Long Rod Stroker Kit
This is a "LONG ROD STROKER 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 3.625 stroker crank, 6.350 h beam rods and JE Custom pistons.
KEEP IN MIND THIS IS A 4340 CRANK SHAFT, NOT 4140. THIS 4340 MATERIAL WILL SUPPORT 1000-1200 HP EASILY.
**In some cases, minor machine work may be required depending on your application, by this we mean checking the journal tolerances and rod clearances.
$1,895.00
Piston Bore: .010
.020
.030
.040
Describe your image here
Describe your image here
Describe your image here
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 4140. THIS 4340 MATERIAL WILL SUPPORT 1000-1200 HP EASILY.
*In some cases, crank shafts may require minor machine work.
$675.00
Describe your image here
Describe your image here
Describe your image here
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 SUPPORT 1000-1200 HP EASILY.
*In some cases, crank shafts may require minor machine work.
$825.00
Describe your image here
Describe your image here
Describe your image here
Describe your image here
5.970 H-Beam Rods
This is a set of 5970 Connecting Rods" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These are stock rod replacements that are custom built to fit your stock crank. They are bushed full floater rods which are made out of 4340 billet, 5.970 in length, .940 bush pin, 2.249 Crank pin, and are for narrow width journal cranks.
$425.00
Describe your image here
Describe your image here
Describe your image here
Describe your image here
6.350 H-Beam Rods
This is a set of "CUSTOM 6.350 H BEAM CONNECTING RODS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. these are custom built to fit your Grand National They are bushed full floater rods which are made out of 4340 billet, 6.350 in length, .940 bush pin, 2.249 Crank pin, and are for narrow width journal cranks.
$499.00
T&D Roller Rocker Set (For Iron Heads)
This is a set of "T&D ROLLER ROCKER ARMS FOR IRON HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
1.55 - $0.00
1.65 - $0.00
T&D Roller Rocker Set (For Aluminum Heads)
This is a set of "T&D ROLLER ROCKER ARMS FOR ALUMINUM HEADS" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6.
1.55 - $0.00
1.65 - $0.00
Describe your image here
Describe your image here
Describe your image here
Scorpion Roller Rocker Set
This is a set of"SCORPION STUD MOUNTED ROLLER ROCKERS " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These are designed for the 8 bolt or 14 bolt Champion racing heads.
1.55 - $0.00
1.65 - $0.00
Cometic Head Gaskets
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"
.040" Thickness - $198.00
.060" Thickness - $225.00
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.
$135.00
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.
$109.00
Describe your image here
Describe your image here
Billet Main Caps
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.
$189.00
Cam 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 button where as the factory button is a plastic piece. This keeps the valve train running smoothly, and does not allow the camshaft to walk forward or backward.
$22.00
GNS Custom Fit Plug Wires
These custom fit plug wires were designed to fit the Buick Turbo Regal engines
that offer a nice snug fit resulting in a nice clean look.
We offer several different manufactured wires to suite your needs.
Deep Sump Autocross / Road Race Oil Pan
These new Auto-X oil pans have all the features of a stock pan but with an added baffle. Plus these exciting new features 1-1/4″ DEEPER OIL SUMP; This increases the oil capacity 50% This will increase the capacity from the stock 5 to approximately 7.5 quarts. The oil is the life blood of your engine. Once you start modifying your car and Autocrossing it you need to keep the oil on the bearings. Oil capacity and pressure are the two most important aspects in engine durability. Up until now there were no alternatives to the stock oil capacity.
*** A MUST if you plan on doing Any autocrossing with your car!
This will place the pickup precisely where you need it to take advantage of the deeper sump without the aggravating chore of splicing, indexing and welding the pickup tube. This simply bolts on with nothing more to do. Two lengths are available depending on weather or not the motor is equipped with an engine girdle. This adapter comes with the oil pan!
20 Bolt oil pan
85-89 w/ Extention
$269.00
14 Bolt oil pan
84-earlier w/ Extension
$269.00
Relay Name Plates
After seeing so many people asking and wondering what each relay was for on the inner fenders we came up with our "Relay Name Plates" to properly identify each relay. These name plates are made out of a wood composite and printed using the latest technology. Each one simply applies with double faced tape (Already Applied). NOTE: The drivers side may require the metal bracket, some already have them some don't... We are in the process of making the Drivers brackets.
$15.95
Passenger side Relay Name Plate
Drivers side Relay Name Plate
$11.95
Complete set of Relay Name Plates
$27.95
