Compression Estimate:
B16A Block and Head 8.58:1
B18A/B Block and Head 9.23:1
B18C1 Block and Head 9.32:1
B18C1 Block and B18c5/B16A Head 9.48:1
B18A/B Block with B18C1 Head 8.74:1
THIS KIT INCLUDES:
Nippon Racing Performance Turbo B-Series Pistons
NPR Performance Gas Nitrite Coated Rings**
**81.5mm Available for Pre-Order, Expected to Ship December 2024**
Fits:
Honda B16A B16B B16A2, B17A, B18A/B, B18C
GS-R and B18C5 Type R Engines
Nippon Racing has redesigned these pistons to share the alloy of the far superior Mitsubishi OEM Turbo castings.
These pistons have the Deck and the Ring lands Fully coated with a Knock Resistant Coating.
The skirts have been Polished to a dull surface finish to Eliminate potential hot spots and further aid in heat transfer to the cylinder walls.
These pistons have been tested to support over 450 WHP with the proper tuning and supporting mods.
Dome displacement has been matched to within .005 CC .
This results in near identical cylinder compression, yielding more horsepower and better efficiency.
Eagle's commitment to quality and service has resulted in customer loyalty and satisfaction. This, in turn, has fueled rapid growth over the years. Eagle added crankshafts to our lineup a few years later as well as expanding our offerings in connecting rods. Continuous design improvements and improvements in materials and manufacturing techniques have resulted in Eagle being the largest and most respected aftermarket connecting rod and crank manufacturer in the industry. We never stop researching ways to make our products lighter, stronger, more efficient to manufacture, and more diverse. When you stop moving forward, you get passed by the competition.
Note Compression Estimate is for 81mm. For oversized or applications not listed, please use the following calculator (choose PR4 as the piston type).
https://www.zealautowerks.com/bseries.html
