Set of (8) Standard 4.00 bore diameter Hypereutectic coated Dish Top Pistons & matching Rings compatible with 1999-06 GM Chevrolet 6.0L Vin code "U" Escalade, Hummer H2, Silverado, Sierra, Yukon

Vin refers to the 8th character in the vehicles ID in lower driver side dash.

All with Press fit pins!  Not Floating!