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Sprocket Shaft Assembly - for S&S SE/SL Flywheels - Big Twin '70-'99 (except '99 Twin Cam)
Each hidden breather is o-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing
Big Sucker Air Cleaner Kit - Natural - Stage I
659" connecting rods
MK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring D604 Sprocket Shaft Assembly - forMK136 Black Edition Engine 550G Gear Drive Oil Cooled Race Only M8 Touring Cylinder Heads: High flow cylinder heads with premium seats, guides, valves, springs, and seals =+1. 00 mm oversized intake and exhaust valves Valves are 0. 030" longer than stock for improved valvetrain geometry 0. 605" max lift valve spring 550G gear drive cam Enlarged cooling passage around the exhaust seats S&S exclusive breather boxes Crankcase: Patented dual spray piston
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