Buick Grand National
The overwhelming choice of the world’s fastest Buick engine builders. These pistons are engineered to produce maximum horsepower in extreme boost or nitrous applications. The inverted dome is designed to duplicate the factory compression ratio and the precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.
Includes:
- Pin #940-2750
- Double spiro locks (#927-042-CS)
| Part # | Brand | Bore | Stroke | Rod | Deck | Head CC | Comp. Ratio | Comp. Height | Crown Vol. | Ring Set | Head Type | Stock | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 312983 | JE Pistons | 3.815 | 3.400 | 5.960 | 9.510 | 48.0 | 8.5 | 1.850 | -28.90 | J10006-3810-5 | Inv Dome/Dish | Back Order | |
| 131556 | JE Pistons | 3.820 | 3.400 | 5.960 | 9.510 | 48.0 | 8.5 | 1.850 | -29.50 | J100F6-3820-5 | Inv Dome/Dish | In stock | |
| 338260 | JE Pistons | 3.840 | 3.400 | 5.960 | 9.510 | 48.0 | 8.5 | 1.850 | -29.50 | J100F6-3840-5 | Inv Dome/Dish | Back Order | |
| 312982 | JE Pistons | 3.810 | 3.400 | 5.960 | 9.510 | 48.0 | 8.5 | 1.850 | -28.60 | J10006-3810-5 | Inv Dome/Dish | In stock | |
| 131557 | JE Pistons | 3.830 | 3.400 | 5.960 | 9.510 | 48.0 | 8.5 | 1.850 | -29.50 | J100F6-3830-5 | Inv Dome/Dish | In stock |