Feature Fitment For intake valve and exhaust valve adjustment with or without engine brake and engine brake rocker arm adjustment pads. Application Suitable for MP7, MP8, MP10, D12, D13, D16 and other engines. Replacement Replace for 88880052, 85111377 and 88880053. 100% Satisfaction Guarantee Committed to providing customers with a good product experience, if you are not satisfied with our products, simply return it for a full refund in 30 days. We support 12 months’ Warranty. Description Package includes .