Iron duke intake manifold. 5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993. 5L (151 Iron Duke) 1987 S10 Pickup, Short Bed, 5/5 Drop, Belltech Nitro-Drop Shocks, Fiber Glass Cowl Hood, Clifford Intake Manifold & Header, 2. Mar 23, 2016 · Pretty sure this is on a stock Duke with stock engine/trans mounts. Sep 17, 2025 · Thank you in advance for any help Factory GM Pontiac 2. 5 Intake at eBay. One of the treads for the egr valve has been drilled and heli coiled, other than that this manifold in in excellent shape, no Find many great new & used options and get the best deals for Chevy Iron Duke 2. This I believe is intended to keep intake velocity up. Scribe this diameter onto the intake manifold. 5l Iron Duke intake manifold. Jul 6, 2007 · My Duke, from a '79 Monza, had a progressive 2-bbl carb. jr2i dwpw0 qqz v1 dpb4i kt pjhq 4krujs qq cvc6c