Wiseco Pro Tru Compact Series Piston Kit (02-06 Acura RSX, 06-11 Honda Civic SI) K650M86AP
Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.
Honda K-Series +10.5cc
Piston Shelf Stock Kit
Part # K650M86AP