FITMENT: Detroit Diesel 60 Series Rocker Arm Shaft Socket FEATURES: 1) Replacement:Alternative to J-44706, Superseded From J-36003-A 1) This deep-well 12mm socket is used to torque the rocker arm nut to OE specification and has a stepped outside diameter for proper clearance and access to the fastener. 3) Crafted from high standard Steel for great durability and anti-corrosion, providing an unparalleled long lifespan. 4) AS-SHOP aim to provide the best service for our customer, if you're not 100% satisfied with our item, simply return it for a full refund in 30 days. We support 12 months’ Warranty. PACKAGE INCLUDED: .