Manley Performance 99.75mm Bore Piston Ring Set - Set of 4 | 2004+ Subaru WRX STi

2004+ Subaru WRX STi Premium Steel Piston Ring Set - Set of 4 by Manley Performance Manley stocks conventional style piston ring sets and Premium Steel top ring versions. The conventional sets feature high performance ductile iron (with plasma moly in-lay) top rings, reverse twist cast iron taper face or Napier style second rings (where noted *) and 3 piece oil rings. The Premium Steel top ring sets are ideal for high horsepower and forced induction/nitrous applications. Manley also offers Total Seal® famed Gapless® top ring packages for many of our piston applications. Features Premium Steel Material Napier style second rings and tabbed oil rails 99.75mm Bore File Fit 1.2mm x 1.2mm x 2.0mm Ring Widths 9-13 lbs Oil Ring Tension Benefits Superior sealing Ideal for high horsepower and forced induction/nitrous applications Please Note: The image provided is generic and may not be an accurate representation of the product you will receive. Applications 2004+ Subaru WRX STi What's In The Box? 4 - Ring set