Piston ring set with the part number STC1427 fits the 4.0L V8 & 4.6L V8 fitted in the Discovery 1 & 2Defender and Range Rover P38.Piston Ring Set of 8 for V8 Engines 4.0L & 4.6L.This kit includes the Rings for the 8 pistons - Standard size.Note: this listing only for the rings, no pistons.Models Affected:Land Rover Discovery I 1996 - 1999Land Rover Discovery II 1999 - 2004Land Rover Range Rover 4.0 & 4.6 (P38) 1995 - 2002Land Rover Defender 90 1997