You could bend the heat shield out of the way for easier mounting. Engine Motor Mounts Left & Right 2pcs for 99-06 Silverado Tahoe Sierra 1500 V8 4.8L 5.3L 6.0L, Replace OE A2909 A2909. Compatiblity-It will be only compatible with 99-06 Silverado Tahoe Sierra 1500 V8 4.8L 5.3L 6.0L auto mounts.