Solid Roller Lifters - BBC Pro-Max +.300

The Howards Cams 91198 ProMax Direct Lube Mechanical Roller Lifters are designed for high-performance Chevrolet Mark IV, Gen 5, and Gen 6 Big Block engines, including Bowtie and Dart applications. They feature direct lube technology for continuous oiling to the roller wheel and pin, enhancing durability and reducing friction. These lifters are built to withstand aggressive camshaft profiles in racing and high-performance street use, incorporating high-pressure oilers for improved lubrication. Their +0.300" taller body allows fitment in early, late, and aftermarket blocks. They are fully rebuildable.