Twin Cam 103 Harley Davidson Engine

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The Harley Davidson Twin Cam 103 engine has 1688 cc (103 cubic
inches) of displacement producing 72.8 horsepower @ 5500 rpm and 84.4
ft lbs of torque @ 4250 rpm. This engine has push rod-operated overhead
valves with hydraulic self-adjusting lifters and two valves per
cylinder, a bore of 3.87 inches and stroke of 4.37 inches, and a
compression ratio of 9:1. In 2009, the engine was modified to include
integrated oil cooler valves, a pressurized lubrication system, a dry
sump with oil cooler, and a new compression ratio of 9:7:1. In 2010,
the 103 cubic inch Stroker Twin Cam B engine with a silver and chrome
finish became available.

Harley Models

The Harley Davidson Twin Cam 103 engine was first introduced with
the 2003 Harley Davidson FLHRSE12 Screamin Eagle Road King and featured
a nice silver and chrome finish and Electronic Sequential Port Fuel
Injection. It was next featured with the 2006 Harley Davidson FLHTCUSE
Screamin Eagle Ultra Classic Electra Glide and FLSTFSE2 Screamin Eagle
Fat Boy. In 2009 Harley Davidson paired the Twin Cam 103 with the new
2009 Reverse Drive 3-Wheeler Tri-Glide Ultra Classic and this engine
continues to drive the Tri-glide for 2010.

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