Wiseco Pro Tru Compact Series Piston Kit (98-11 Saab 9-3, 89-08 Opel Vectra) K635M86
Description
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.
Bore (in):3.386 in.
Bore (mm):86.000mm
Piston Style:Dome, with four valve reliefs
Piston Material:Forged aluminum
Compression Distance (in):1.215 in.
Wrist Pin Style:Press-fit or floating
Pin Diameter (in):0.866 in.
Gapless:No
File Fit:Yes
Top Ring Thickness:1.0mm
Top Ring Material:Steel
Top Ring Facing Material:Gas nitrided
Second Ring Thickness:1.2mm
Second Ring Material:Cast iron
Second Ring Facing Material:Phosphate coated
Oil Ring Thickness:2.8mm
Oil Ring Material:Stainless steel
Oil Ring Tension:Standard
Quantity:Sold as a set of 4.
Part # K635M86
