CP Pistons Buick Grand National 3.8L Pistons ZR231-6

CP Pistons' Buick Grand National 3.8L pistons are as good as they come. CP Pistons was founded to service the needs of those with the desire to build engines of the highest quality and technology. With the use of proprietary tooling, dedicated cutters, and unique fixtures, their state-of-the-art equipment produces superior pistons that will not compromise your expectations. Their climate-controlled inspection department is the most advanced in the industry and is outfitted with computerized electronic equipment specifically designed for their needs. Every piston is engineered using sophisticated computer modeling for optimum designs, while their 5-axis machining capability enables them to create pistons for any application.

Additional features include:

* Suitable for nitrous oxide systems
* Suitable for supercharged or turbo engines
* Double pin oilers, force fed from oil ring
* Pick lock for easy lock removal
* Balanced to +/-1 gram
* Accumulator groove included
* Generous valve relief depths allow for high-lift cams and oversized valves
* Fully CNC-machinedBrand: CP-Carrillo
Manufacturer's Part Number: ZR231-6
Part Type: Pistons
Product Line: CP Pistons Buick Grand National 3.8L Pistons
HP Direct Part Number: CNN-ZR231-6
Piston Rings Included: No
Bore (in.): 3.820 in.
Bore (mm): 97.028mm
Stroke: 3.400 in.
Engine Stroke Type: Stock
Rod Length: 5.960 in.
Piston Style: Dish, with no valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.835 in.
Piston Head Volume (cc): +27.20cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.940 in.
Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
File Fit: No
Gapless: No
Remanufactured: No
Quantity: Sold as a set of 6.
Notes: Includes double spiral locks.