Brodix 8BSL43-075TD cylinder sleeve for Small Block Chevy engines. Features a 4.118in bore, 5.735in height, 4.272in OD, and 0.077in wall thickness, made from steel for durability. Designed for a 9.300in deck height, ideal for high-performance rebuilds or racing applications. Ensures precise fitment and heat dissipation in demanding conditions. Sold as each.