Quick view OMB Side Exit Header 1-1/8" OD Predator 420 459 GX390 Predator 420 459 side exit header. Also fits GX390 and most 13-16HP Clone OHV engines. Made in the USA with 1-1/8" OD tubing. The mounting holes in the flange are elongated for use with most 8 to 18... $37.95 Add to Cart
