Engine Assembly for 1978 GMC K15

Attention!

There are 10 choices for the 1978 GMC K15 Engine Assembly !!!
Choose Your Option

6 Cyl, 250 cid integral intake manifold
6 Cyl, 250 cid Without integral intake manifold
8 Cyl, 305 cid (5.0L)
8 Cyl, 350 cid (5.7L) diesel (VIN Z, 3rd digit)
8 Cyl, 350 cid (5.7L) gasoline EGR
8 Cyl, 350 cid (5.7L) gasoline Without EGR
8 Cyl, 400 cid (6.6L) EGR
8 Cyl, 400 cid (6.6L) Without EGR
8 Cyl, 454 cid EGR (VIN S, 3rd digit)
8 Cyl, 454 cid Without EGR