Fel-Pro ES 72856 Cylinder Head Bolt Set Meets or exceeds all original equipment specifications Application specific design to ensure a perfect fit Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts Validated for fit, form and function Unsurpassed quality you can trust Properly torque bolts per manufactures specifications Follow recommended tightening sequence for head bolts Check bolt length for correct application needed Follow all vehicle manufacturers recommendation procedures for head bolt replacement 1 year manufacturers warranty