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Your cart is empty.Ensure smooth engine operation and long-lasting performance with Michigan Motorsports LS Rod Bearings – Standard Size SI Series, designed to meet the rigorous demands of both stock and high-performance LS engines. Whether you're rebuilding a daily driver, upgrading for track performance, or performing an LS swap, these precision-engineered rod bearings deliver optimal wear resistance, reduced friction, and maximum durability. Engineered for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS engines, these bearings are a direct-fit replacement for LS1, LS2, LS3, LQ4, LQ9, L92, L94, L76, L77, LY6, and L96 applications. The SI Series Standard Size bearings offer factory-clearance precision, ensuring consistent lubrication, improved heat dissipation, and long-term engine reliability. Whether you're running a naturally aspirated LS build, turbocharged setup, or high-RPM race engine, these Michigan Motorsports rod bearings provide the strength and performance needed to handle extreme conditions. Built to withstand high loads, elevated temperatures, and aggressive driving, this rod bearing set is a must-have upgrade for any LS engine rebuild or performance build. Michigan Motorsports – Precision Engineered for LS Performance.