NIPPON RACING P30 PISTONS ARE HEAT TREATED AND COME WITH A CERAMIC HARD ANODIZED SURFACE DOWN TO THE SECOND RING GROOVE TO IMPROVE HEAT DISSIPATION Especially WITH THE USE OF NITROUS.
NIPPON RACING P30 PISTON KITS COME WITH 4 CRYOGENICALLY HEAT TREATED 21MM WRIST PINS AND TEFLON COATED SKIRTS.
ALL NIPPON RACING PISTONS SETS ARE WEIGHT MATCHED TO +/- 1 GRAM.
NIPPON RACING PISTONS HAVE DEEPER VALVE POCKETS THAN TRADITIONAL P30 PISTONS TO ALLOW USE OF AFTERMARKET PERFORMANCE CAMSHAFTS UP TO STAGE 3.
THESE ARE TRUE HIGH PERFORMANCE RACING PISTONS WITH A HORSEPOWER RATING OF 600 HP.
THIS KIT IS A PRESS FIT PISTON SET MEANING THEY ARE DESIGNED TO BE USED WITH ORIGINAL HONDA RODS ONLY.
THESE WILL NOT WORK WITH AFTERMARKET RODS. IF YOU HAVE AFTERMARKET RODS SEE OUR OTHER LISTINGS FOR OUR FULL FLOATING KITS
COMPRESSION RATIOS ARE AS FOLLOWS:
B16A BLOCK AND HEAD 10.5:1
B18A/B BLOCK W/ PR3 HEAD 12:1
B18A/B BLOCK W /P72 HEAD 12.5:1
B18C BLOCK W/ PR3 HEAD 11.5:1
B18C BLOCK W P72 HEAD 11.8:1
NIPPON RACING PISTONS ARE MADE USING A 2618 ALLOY AND A PROPRIETARY CENTRIFUGAL SPIN CASTING PROCESS.
AS WELL AS A 6 STEP HEAT TREATMENT PROCESS TO INSURE A PISTON THAT IS JUST AS HARD AS A FORGED PISTON RESULTING IN A MUCH LOWER EXPANSION RATE.
THIS PROCESS INSURES ZERO INTERNAL DEFECTS FROM THE FACTORY
MEANING ENGINES ASSEMBLED WITH NIPPON RACING PISTONS WILL OUTPERFORM OEM PISTONS BY 300% AND ENSURE PROLONGED ENGINE LIFE.
AND ARE GUARANTEED TO OUTPERFORM ANY OTHER PISTON MANUFACTURERS CAST PISTONS ON THE MARKET TODAY.
NIPPON RACING OFFERS A LIMITED LIFETIME GUARANTEE AGAINST ALL MANUFACTURE DEFECTS ON ALL OF THEIR PISTONS.
NIPPON RACING LTD HAS BEEN MANUFACTURING ALUMINUM COMPONENTS IN JAPAN FOR OVER 40 YEARS.
*This kit is a Press Fit Piston set meaning that they are designed to be used with OEM Original Honda Rods. If you have aftermarket rods, please purchase the Full Floating version of this kit.
**Rings may be substituted for GNH or Hastings depending on availability
***81mm, 81.5mm Currently Available for Pre-Order. Ships December 2024
