RockJock Jam Nut 1 in-14 RH Thread Smaller Hex for Tighter Spots 1 3/8in Wrench Size Lights>Light Covers and Guards the exhaust manifolds

the exhaust manifolds

but the fuel and water in blow-by can thin your engine oil and reduce its viscosity

While it was originally designed to bolt to the front or rear of the XRS Xtreme Rack for overlanding or camping

This replacement ignition module fits 78-79 CJ5/CJ73

Replaces OE 5354934

RockJock Jam Nut 1 in-14 RH Thread Smaller Hex for Tighter Spots 1 3/8in Wrench Size Lights>Light Covers and Guards the exhaust manifoldsRockJock's custom, small hex 1 in. 14 RH thread Jam Nut features a smaller hex size than standard Jam Nuts, allowing it to tuck into tighter places in brackets, etc. This nut is a 1 3 8 in. wrench size, as opposed to a 1 1 2 in. wrench size of a standard 1 in. thread Jam Nut. Nut is finished in gold zinc plating.