OTC's 5870-2 Injector Height Gauge is used to set injector height to 1.484 inches (37.69 mm) for proper injector timing. Designed for use on Detroit Diesel Series 60 engines. Crafted from high-grade materials to ensure quality performance over the lifetime of the tool. Similar to J-1242. Made in the USA. Value is at the core of the OTC tool and equipment portfolio. Whether it’s a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.