These are solid motor mounts that fit 99-06 GM LS-equipped trucks including Silverado, Sierra, Tahoe, Yukon, Yukon XL, Suburban, Denali, Avalanche, and Escalade. They are a direct bolt up using factory hardware. Custom feedback is there is only a slight increase in vibration or noise and most say it is barely noticeable. These are laser cut 3/16″ steel fully mig welded. All brackets will ship raw ready for your paint or painted for a small fee. They match factory measurements so the engine remains in the same location as stock.
Yes these will work with the Hooker turbo manifolds. Although it is tight fit my mounts clear the manifolds with no modifications necessary.
The following only applies if you are doing a factory V6 to V8 Swap. If you already have a V8 ignore this section:
If you are doing a V6 to V8 swap you will need the V8 frame mounts from the same 2wd/4wd as your truck is. The frame side mounts are different for 2wd and 4wd and V6 to V8. My mounts are designed to work on the V8 frame mounts. The GM part numbers for the frame mount are:
15113847 RH fits both suspension styles
15113848 LH fits coil spring frame
15113849 LH fits torsion bar frame
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