Nippon Racing RRC 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. Nippon Pistons are Equipped with 4 Cryogenically Heat Treated 22MM Wrist Pins and Teflon Coated Skirts and 8 pin locks.
Nippon Racing Piston sets are Weight matched to +/- 1 gram. Nippon Racing Pistons have deep valve pockets to also use of aftermarket performance camshafts up to Stage 3. These are true high performance racing pistons with a horsepower rating of 650 HP.
*NOTE THESE PISTONS WILL NOT WORK IN K20A3 Engines
This kit is a full floating piston set. Meaning that they are designed for use with both OEM and aftermarket rods.
Estimated Compression Ratios Are as Follows:
87mm K24 BLOCK and TYPE S or SI Head 12.5:1
87mm K24 BLOCK and K24 Head 13.5:1
86mm K20A BLOCK and TYPE S Head 11.8:1
86mm K20A BLOCK and K20A3 Head 11.8:1
86mm K24 BLOCK AND K20 Head 13.1:1
+add 0.02 for every 0.50mm Increase in Diameter
