Description: Cat Reman camshaft kits such as part # 20R-4961 include the camshaft and Cat Reman valve lifters because reusing lifters or using incompatible lifters can shorten camshaft life or lead to lifter and camshaft failure. These kits were developed to simplify the ordering process: one part number for all the listed parts, and everything ships in one box. Each camshaft is made of high-grade steel, and precision balanced for long life. Heat treatment uses a patented process for high strength and outstanding wear characteristics. Precise journal grinding provides exact bearing fit for reduced friction and long life. Each unit is rigorously tested against original specifications, so you know you’re getting genuine Caterpillar reliability. Attributes: You're buying less downtime and lower repair bills, helping you reduce owning and operating costs. Cat Reman camshaft kits provide like new performance and reliability at fraction-of-new costs while reducing the impact on the environment compared to buying new. All Cat Reman products come with a same-as-new Caterpillar Limited Warranty. 1 Cat Reman offers off-the-shelf availability. 2 1 Warranty can vary by model and application; limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer. 2 Part may not be available off-the-shelf at all times and in all locations. Recommended Application: 3512B