318 poly cam

not much out there http://www.ebay.com/itm/Chrysler-31...r_Truck_Parts_Accessories&hash=item2c6757f599

and if in a hot rod http://www.ebay.com/itm/Dodge-277-326-318-Poly-Exhaust-Lake-Header-kit-lakster-u-weld-A-series-block-/280754612241?pt=Motors_Car_Truck_Parts_Accessories&hash=item415e476811&vxp=mtr

even an intake http://www.ebay.com/itm/POLY-318-WE...Parts_Accessories&hash=item460682238a&vxp=mtr