Fitment: Engine Cylinder Head Bolt Set compatible with Chevy Cadillac Buick Hummer GMC 4.8L 5.3L 5.7L 6.0L 6.2L Engines
Manufacturer Part Number: MA-4216910034,ES72390,BTR00568
Note: These engines have two different designs for the head bolts. 1st design head bolts have 16 Long Bolts: 150mm, 4 Short Bolts: 100mm, 10 Small Bolts: 45mm. 2nd design head bolts have 20 Long Bolts: 100mm, 10 Small Bolts: 45mm. This kit ONLY FITS engine with 2ND DESIGN HEAD BOLTS (20 long bolts: 100mm, 10 small bolts: 46mm). Please double check your engine head bolts to make sure this kit will fit your engine before making the purchase
Features: Our engine cylinder head bolts are made of premium quality metal for strong durability and long service life. cylinder head bolts are easy to install
Function: Cylinder Head Bolts Hold the Cylinder Head in Place and Ensure that it Continues to be Stable Even When Subjected to Great Pressure in the Combustion Chamber