4 x Flange Hex Head Rocker Arm Bolts: Grade 10.9, Manufactured to OE specification,factory inspected,fully fit original car, reliable quality, durability
Fits: This Flange Hex Head Rocker Arm Bolts Kit Compatible with 2008-2010 Fo-rd F250 F350 F450 F550 Super Duty 6.4L Diesel Engines
Material: 35CrMoA alloy steel, The one-piece design ,don't need a separate washer, more efficient and easier to use, greater strength, and significantly improved wear and corrosion resistance
When: The bolts are overloaded, the material does not meet the requirements, loose or corroded, timely replacement, ensure the reliability and safety of the connection
Premium Support: Easy to reach customer service, we focus on product quality and customer service, our customer service is first-rate