Resulting Compression:
B18A/B Block and Head 9.23:1
B18A/B Block with B18C1 Head 8.74:1
**81.5mm Available for Pre-Order, Expected to Ship December 2024**
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.
