Engine Piston Rings Set for Discovery IV XF XJ XK 5.0L V8 AJ133 508PN (8W93-6K109-AA, 8W93-6K109-BA, 8W93-6K110-BA, 40104600) 8-Piece Kit

This engine piston rings set is designed for Discovery IV, XF, XJ, and XK models equipped with the 5.0L V8 naturally aspirated engine (engine code 508PN / AJ133).The kit includes 8 piston rings compatible with OEM part numbers 8W93-6K109-AA, 8W93-6K109-BA, 8W93-6K110-BA, and replaces KOLBENSCHMIDT 40104600.Specifications: - Standard size (STD 0.00) – no cylinder bore enlargement required - Cylinder bore diameter: Φ92.50mm - Wrist pin diameter: Φ22mm - Ring thickness: 1st ring 1.2mm, 2nd ring 1.5mm, 3rd ring 2.0mm - Engine displacement: 5.0L (5000cc) V8 DOHC naturally aspirated - Engine code: 508PN / AJ133 Compatible vehicles: - Discovery IV: 2009–2013 - Sport: 2010–2013 - XF: 2009–2012 - XJ: 2009–2013 - XK: 2009–2015 Package includes: 8 piston rings (one set for 8-cylinder engine).

• Model compatibility includes Discovery IV accurate fitment for specified vehicles
• engineered piston rings set designed to restore engine compression and improve performance
• Includes 8 pieces per set with part numbers 8W93-6K109-AA 8W93-6K109-BA 8W93-6K110-BA 40104600 for easy identification and installation
• Constructed from materials to withstand engine temperatures and prolonged use
• Suitable replacement for AJ133 engine applications providing sealing between pistons and cylinder walls