Cummins 4bt Head Bolt Kit

New bolts for the cylinder head. For use in Cummins 4B and 4BT engines.

Because cylinder head bolts stretch after being torqued down, it’s a good idea to replace when re-reing cylinder head.

• Genuine Cummins Bolts

Includes
(3920780) 10 of these bolts. Size is M12 x 1.75 x 120 mm.
(3920779) 4 of these bolts. Size is M12 x 1.75 x 70 mm.
(3920781) 4 of these bolts. Size is M12 x 1.75 x 180mm.