All States Ag Parts Intake & Exhaust Manifold Allis Chalmers D17 WC WD WD45 70226350 Fits Allis Chalmers Tractor(s) D17, WC, WD, WD45 (all gas) Replaces Allis Chalmers OEM nos 70224782, 70226350 Includes gaskets and extension pipe Manifold to extension pipe is not threaded Heat shield mounting bolts are drilled and tapped