Wiseco K631M87 - Pistons and Rings for 2002 - 2006 Acura / Honda RSX-S K20, -3.5cc Flat Top, 87mm Bore

K20 VTEC 50.5cc

9.8:1

Part Number	K631M87
Bore	87mm / 3.425" (.040" Over)
Stroke	86mm / 3.386"
Rod Length	139mm / 5.472"
Compression Height	30mm / 1.181"
Piston Volume	-3.5cc Flat Top
Wrist Pin Diameter	22mm / .866"
Included Wrist Pins	4130 Chrome Moly
Ring Stack	1.0mm x 1.2mm x 2.8mm

This Wiseco Piston Kit is designed to fit the 2002-2006 Acura / Honda RSX Type S K20 Engine. They Feature Larger and Deeper Valve Pocket for Aggressive Camshafts and Wiseco's ArmorGlide® Skirt Coating for reduced friction. Included in this kit are 4130 Chrome Moly Wrist Pins and a Matching Piston Ring Set. The Piston Rings feature a Gas Nitrided Top Ring that works very well with Turbocharged Engines and a Napier 2nd Ring for Excellent Oil Control.