American Motorcycle Dealer AMD 219 October 2017 | Page 45

Hot Rod gaskets for the Milwaukee-8 BOOTH# 1130 PARTS AND ACCESSORIES MLS 4.200” bore head gasket .040” for oil and coolant cooled heads C10177 - single layer steel base gasket stock bore to 4.250”, .014” thick Concord, Ohio based manufacturer Cometic Gasket has released new stock replacement and big bore gasket and cam change gasket kits for Harley’s M-8 touring engines. Because there are currently two very different cylinder head designs offered on the M-8, Cometic is releasing a number of different gasket designs. One version of the M-8, the one used in Touring models with no lower fairings, features oil cooled heads. A second M-8 cylinder head version, this one found in Touring bikes with lower fairings and with radiators behind them, has provisions for that coolant to flow through the heads, and Cometic say they have gaskets for both, in sizes ranging from the stock 107 and 114 cubic inch displacements to a big 4.500 inch big bore size. All told, there are nine different cylinder head gaskets in this M-8 line-up, along with new base gaskets and the full cam change kit. Sales Director Jason Moses told AMD: “While the differences between all those gaskets are small and subtle, they’re critically important. “The oil cooled heads, the ones on bikes without lower fairings, have one “teardrop” shaped port close to the bore, and that is surrounded with an embossed surface. With this head design the M-8 big bore is limited to 4.200 inches with no modifications C10178 - cam change kit, all M-8 Models www.AMDchampionship.com to the heads. Any larger than that would require the oil port to be welded shut and the head resurfaced. “Our gasket for these oil cooled C9247 - race heads, the ones style ex