JDM ITR P73 Pistons (set of 4, Press Fit 81mm) Nippon Racing

NIPPON RACING P73-00 PISTONS ARE HEAT TREATED AND COME WITH A CERAMIC HARD ANODIZED SURFACE DOWN TO THE SECOND RING GROOVE TO IMPROVE HEAT DISSIPATION AS WELL AS USE WITH NITROUS. PISTONS ARE EQUIPPED WITH 4 CRYOGENICALLY HEAT TREATED 21MM WRIST PINS AND TEFLON COATED SKIRTS AND 8 SPIRO LOCKS.  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 FULL FLOATING PISTON SET MEANING THEY ARE DESIGNED TO BE USED WITH AFTERMARKET RODS. SEE OUR OTHER LISTINGS FOR ROD AND PISTON KIT COMBOS.
 
NIPPON RACING PISTONS ARE MADE USING 2618 ALLOY AND  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 BUT WITH A MUCH LOWER EXPANSION RATE THAN FORGED PISTONS MEANING ENGINES ASSEMBLED WITH NIPPON RACING PISTONS WILL OUTPERFORM OEM PISTONS BY 300% AND ENSURE A PROLONGED ENGINE LIFE. THIS PROCESS INSURES ZERO INTERNAL DEFECTS FROM THE FACTORY AND ARE GUARANTEED TO OUTPERFORM ANY OTHER PISTON MANUFACTURERS CAST PISTONS ON THE MARKET TODAY. NIPPON RACING OFFERS A LIMITED LIFETIME GUARANTEE AGAINST ANY MANUFACTURERS DEFECTS ON ALL OF THEIR PISTONS. NIPPON RACING LTD HAS BEEN MANUFACTURING ALUMINUM COMPONENTS IN JAPAN FOR OVER 40 YEARS