Application For 1983-2005 compatible for Chevy Blazer / S10 2WD For 1983-2005 compatible for GMC Jimmy S15 / Sonoma S15 2WD For 1991-2004 compatible for Oldsmobile Bravada 2WD For the year & models, please check the compatibility. Feature 100% quality assurance tested, more responsive, less expensive, easier to install. Uses typical 2.8L frame side engine mounts. The mounts on the left are for 2WD models. Notice the slotted mounting holes, which allow you position the engine exactly where you want it. The two sets of "slots" on the ears are because the 2WD Blazers have different mounting requirements than the 2WD trucks. These are proven to fit, THE BEST ON THE WEB! Sold in pairs, left & right.