Fitment: This rod main bearings and piston rings kit Replacement for LS Gen III IV 4.8L 5.3L V8 engines, 3.78" Bore, including LM7 LR4 L59 LS4 LY2 L20 LY5 LMG LMF LH6 LC9 L33. Replacement for Chevy 4.8L 1999 - 2016 Light Truck, 5.3L 1999 - 2013 Car and Light Truck
Premium Materials: Made of high-strength metal alloys, these bearings and piston rings offer precision and standard clearances, minimizing wear and ensuring reliable performance. Meeting OE specifications, it offers perfect direct replacement and quick installation
Product Performance: Designed for STD (Standard) crankshaft journals and a standard 3.78" (96mm) cylinder bore diameter. Piston ring dimensions: Top ring – 1.5mm (0.058"), Second ring – 1.5mm (0.058"), Oil ring – 3.0mm (0.114")
Easy Replacement: Direct coordination with the design allows for quick installation without modification, Professional installation is highly recommended