The Edelbrock E-Series head bolt kit #85332 is made for Jeep 4.0L inline six engines using 1/2" head bolts and pairs with Edelbrock cylinder heads #50159 and #50169; it will also fit AMC/Jeep 4.2L inline six when used with Edelbrock heads. E-Series bolts feature heat-treated, rolled threads, a 190,000 PSI yield tensile strength, black-oxide finish with sealer, and the Edelbrock 'E' stamped on the head.
Edelbrock Jeep 4.0L I-6 E-Series Head Bolt Kit