If you are going to be running boost levels over 9 psi, we recommend you upgrade your head bolts to these made by ARP. They are chromoly with a black oxide finish and rated at 180,000 psi–15 percent stronger than Grade 8 fasteners.
Cylinder Head Bolts, High Performance Series, Hex, Chromoly, Black Oxide, Washers, Jeep, L6, 2 Lengths, With 4.0 Head, Kit
Fastener Style:
Bolt
Undercut Stud:
No
Head Style:
Hex
Fastener Material:
Chromoly
Fastener Finish:
Black oxide
Washers Included:
Yes
Quantity:
Sold as a kit.
Notes:
Fits engines with a 4.0L cylinder head. Kit contains bolts that are 2 different lengths.
Dropships direct from manufacturer.
This product was added to our catalog on Tuesday 03 March, 2020.
