Wiseco Piston and Ring set for RB25DET Non-NEO complete with ArmorGlide skirt coating! Wiseco pistons are made from 2618 Aerospace alloy with great strength and minimal weight. Available in a variety of bores for a stock engine refresh up to +.040 over bore!
K578M8625AP 86.25mm +.010 Over Bore – 8.4:1 Compression Ratio
K578M865AP 86.50 +.020 bore 8.4 CR
K578M87AP 87.00 +.040 bore 8.5 CR
Fits Nissan RB25DET Non-NEO Engines!