This listing is for a complete set of 4 brand NEW pistons and NPR Rings**
Nippon Racing K20/ K24 Piston are heat treated and come with a ceramic hard anodized surface, down to the second groove. This improves heat dissipation especially with nitrous.
These PRC Nippon Racing K20/ K24 piston kits come with cryogenically heat treated 22mm wrist pins and teflon coated skirts.
All Nippon Racing pistons are weight matched to +/- 1 gram.
Nippon Racing pistons have deeper valve pockets than traditional K24 pistons to allow the use of aftermarket camshafts, generally up to Stage 3.
Nippon Racing JDM PRC Pistons are true high performance pistons with a rating of 600 hp.
This Full Floating Pistons Set can be used with both OEM Honda of aftermarket connecting rods.
Estimated Compress Ratios are as follows::
K24A BLOCK AND TYPE S HEAD 12:1
K24A Block and Head 12.2:1
K20A BLOCK AND TYPE S HEAD 11.5:1
+add 0.02 for every 0.50mm Increase in Diameter
Nippon Racing Pistons are made using a 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 is forged piston, but with a much lower expansion rate. This process insure zero internal defect from the factory. Meaning that engine assembled with Nippon Racing Pistons will outperform OEM pistons by 300% and ensure prolonged engine life. These Nippon Racing Pistons are guaranteed to out perform any other piston manufactures cast piston on the market today.
Nippon Racing offers a limited lifetime guarantee against all manufacture defect on all of their pistons. Nippon Racing LTD has been manufacturing aluminum engine components in Japan for over 40 years.
All Nippon Racing LTD Products are Made In Japan.
This Set Fits: K24A/ K20A1/K20A2/K20Z3
**NPR Rings may be substituted for Hastings depending on availability
