Rocker Arm Assembly Rocker arms are operated by pushrods from the camshaft and move valves, opening and closing them to allow fuel and air in and exhaust out of the combustion chamber Attributes: Cat parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact, and reuse SPECIFICATIONS Height (in): 4.5 Length (in): 6.3 COMPATIBLE MODELS Wheel-Type Loader 994K 994H 992G 994D 994F Engine - Generator Set 3516B XQC1600 3512C 3508B 3516E 3516C 3512B PM3516 PM3508 XQC1200 PM3512 3508 PP3516 Petroleum Products 3512C 3512B 3508C TH48-E80 3516C TH48-E70 CX48-P2300 3516B 3512E 3508B Off-Highway Truck 789B 785B 793D 789D 777D 777C 789C 793C 785 785C 797 789 777B 797B 785D 785G MT4400D AC 776D 777 784C Wheel Dozer 854G Excavator 5230B 5130B Engine - Industrial 3516E 3516B 3508B 3512E 3512C 3512B 3516C 3508C SPF343 SPT343 SPF343C SPS343 Marine Products 3512C 3512 3516E 3512B 3508B 3516B 3508C 3516C 3512E 3508 3516 Expanded Mining Products MD6540C Track-Type Tractor D11R D11N Oem Solutions CAT WDS