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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
flexible and extremely durable
PrimaLoft® Gold Insulation Aerogel is proven to perform
2-into-1 headers welded to collector and muffler
Include new-style billet end caps with internal machined flutes
13 hp increase throughout the mid-range and top end
S&S CYCLE MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring 310-1290 Tool Bag flexible and extremely durableCylinder Heads: High flow cylinder heads with premium seats, guides, valves, springs, and seals +1. 00 mm (EU 1,00 mm) oversized intake and exhaust valves Valves are 0. 030"(EU 0,030") longer than stock for improved valvetrain geometry 0. 605"(EU 0,605") max lift valve spring Enlarged cooling passage around the exhaust seats S&S exclusive breather boxes Crankcase: Patented dual spray piston cooling jets Precision machined oil scraper Enlarged oil sump