Load image into Gallery viewer, 1-6213-3840-231 V6 & GN-Buick V6 & Grand National FX1 Series -15cc Dish Top Buick V6 & Grand National-Forged-Piston-Set- 3.84 inch bore
Load image into Gallery viewer, 1-6213-3840-231 V6 & GN-Buick V6 & Grand National FX1 Series -15cc Dish Top Buick V6 & Grand National-Forged-Piston-Set- 3.84 inch bore
Load image into Gallery viewer, 1-6213-3840-231 V6 & GN-Buick V6 & Grand National FX1 Series -15cc Dish Top Buick V6 & Grand National-Forged-Piston-Set- 3.84 inch bore
Load image into Gallery viewer, 1-6213-3840-231 V6 & GN-Buick V6 & Grand National FX1 Series -15cc Dish Top Buick V6 & Grand National-Forged-Piston-Set- 3.84 inch bore

SKU: 1-6213-3840

1-6213-3840-231 V6 & GN-Buick V6 & Grand National FX1 Series -15cc Dish Top Buick V6 & Grand National-Forged-Piston-Set- 3.84 inch bore

Regular price $629.95
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Ships in 1 - 8 days

Made in the USA

Made in the USA

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This is a pre order item. We will ship it when it comes in stock.

231 V6 & GN Buick V6 & Grand National FX Comp Height: 1.737 -15cc Dish Top PIN: .940 Ring Groove: 1/16-1/16-3/16" Stroke: 3.625 ROD: 5.97 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to High Levels) Comp Ratio: 41cc-11.82, 46cc-11.03, 55cc-9.87


Engine Brand: Buick

Engine Family: Buick V6 & Grand National

Engine Size: 231 V6 & GN

With/Without Rings: Without Rings

Cylinder Bore Size: 3.840 in - 97.46 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.737

Pin Diameter: .940

Connecting Rod Length: 5.970 in

Crankshaft Stroke: 3.625 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Buick V6 & Grand National

TDC Assembly Height: 9.5195

Piston Top Aprox. Comp. Ratio:

-15cc Dish Top Buick V6 & Grand National
ChamberComp Ratio
41cc11.82 to 1
46cc11.03 to 1
55cc9.87 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Buick

Engine Family: Buick V6 & Grand National

Engine Size: 231 V6 & GN

With/Without Rings: Without Rings

Cylinder Bore Size: 3.840 in - 97.46 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.737

Pin Diameter: .940

Connecting Rod Length: 5.970 in

Crankshaft Stroke: 3.625 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Buick V6 & Grand National

TDC Assembly Height: 9.5195

Piston Top Aprox. Comp. Ratio:

-15cc Dish Top Buick V6 & Grand National
ChamberComp Ratio
41cc11.82 to 1
46cc11.03 to 1
55cc9.87 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature