Wiseco Pistons Kit - 8.3:1Cr - 84mm Bore - Honda - B20B/Z with Vtec Head vios-ncp150-2013-2017-na-1nz-fe-i4 A good affinity material is

A good affinity material is used on the oil seal face of the crank pulley to reduce friction improving sealing and to reduce wear

Part Number: VH061885

Part Number: SRH-EW4

Part Number: 321260

Wiseco Pistons Kit - 8.3:1Cr - 84mm Bore - Honda - B20B/Z with Vtec Head vios-ncp150-2013-2017-na-1nz-fe-i4 A good affinity material isManufacturer Brand: Wiseco Part Number: K545M84 Compression Ratio: 8. 3: 1 Bore (mm): 84 ( Std.) Stroke (mm): 89 Rod Length (mm): 137 Pin Diameter (mm): 21 Compression Height (mm): 30 Block Height (mm): 212 Piston weight (Gr): 294 Replacement Parts: Pin: S733 Rings: 8100XX Locks: Wiseco pistons are made from dedicated forgings produced in house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston