Chevy Duramax 6.6L Valve Cover Bolt Kits
Valve cover bolt kits for 1999 and later Chevrolet Duramax 6.6L diesel applications. These kits are rated at 170,000 psi tensile strength, substantially stronger than Grade 8. Kits are available in Black Oxide hex or 12 pt and rust-free Stainless hex or 12 pt. Washers are included.
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