UA40700 Intake/Exhaust Manifold (D17 Series 3 & 4, 170, 175)---Replaces 257485

Replaces number 257485, 70257485, ACS081

Fits: D17 Series 3 sn 32001 and up, D-17 Series IV, 170, 175

Threaded exhaust hole--Will fit early D-17 if threaded hole is desired