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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Silicon BNS pull tab for convenient and safe engagement of the BNS
13 hp increase throughout the mid-range and top end
Include new-style billet end caps with internal machined flutes
Double-walled aluminum mounting brackets
Solar-reflective leather in the seating area and automotive-grade vinyl on the sides
S&S CYCLE MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring 310-1290 Tool Bag Silicon BNS pull tab forCylinder 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