Skylark L4-138 2.3L SOHC VIN 3 MFI QUAD 4 (1992)
Later model 1993 2.3L engines have a new cylinder head bolt design and require a new fastener tightening specification. The new bolts can be identified
by the captured washer and the threads that continue for the length of the bolt (refer to Figures 2 and 3).