Includes a set of 4 Pistons, Rings**, and Pins. Full Floating version will also include Clips.
**81.5mm Currently Available for Pre-Order, Ships March 2024**
This kit will fit:
Fits Honda B16A B16B B16A2, B17A, B18A/B, B18C
GS-R or B18C5 Type R
*Note 81.25mm and 81.5mm Currently Available for Pre-Order.. Ships early 2024
These pistons are designed for High Compression All Motor Engines with a Compression ratio of 10.92:1 to 12.5:1
B16A Block and Head 10.95:1
B18A/B Block and Head 11.40:1
B18C1 Block and Head 12.40:1
B18C1 Block and B18c5/B16A Head 12.10:1
B18A/B Block with B18C1 Head 12.64:1
These pistons have Holes in the wrist pin bosses to improve oiling and superior lubrication.
Piston skirts are fully coated for added protection against heat.
OEM Honda pistons only have 20 percent of the skirt coated.
These pistons are domed to match Honda b16b piston.
40 Percent stronger than OEM Honda cast pistons.
These pistons have been tested to support over 350 WHP with the proper tuning and supporting mods.
Wrist pin center to dome height has been matched to within .001"
Dome displacement has been matched to within .005 CC
This results in near identical cylinder compression, yielding more horsepower and better efficiency.
Trust the genuine Nippon Racing brand that is really made in Japan.
**Rings may be NPR, GNH or Hastings depending on availability
