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6 Cyl, 250 cid
- integral intake manifold
- Without integral intake manifold
8 Cyl, 305 cid (5.0L)
8 Cyl, 350 cid (5.7L)
8 Cyl, 400 cid (4x4)
- EGR
- Without EGR

Engine Assembly for 1978 GMC Jimmy

Fits: 8 Cyl, 400 cid 4x4 EGR (change)

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