$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

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

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

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.

$650.00

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

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  -   $649.00

 

1.65  -   $649.00

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  -   $649.00

 

1.65  -   $649.00

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  -   $349.00

 

1.65  -   $349.00

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