These are Poly motor mounts that fit 07-13 GMT900 GM LS-equipped trucks including Silverado, Sierra, Tahoe, Yukon, Yukon XL, Suburban, Denali, and Escalade. They are a direct bolt up using factory hardware. These use a polyurethane bushing with a 9/16″ grade 8 bolt to allow the engine and frame to rotate relative to each other reducing vibration and loading. These are laser cut 3/16″ steel fully MIG welded. They match factory measurements so the engine remains in the same location as stock.
Installation note:
Do not overtighten the main center bolt. It uses a locking nylon nut and will not back off. Overtightening can compress the mount which may result in an increase in vibration. Snug is fine.
LIFETIME WARRANTY. You will never break these 🙂
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