Twin Cam Performance Builds

Twin Cam 95” 1999 - 2006

Our Wedge High-Velocity cylinder head upgrade, compression releases, stock cylinders bored and honed to 3.875” or 3.937”, 10.25:1 forged CP pistons, Andrews TW37 cams, Daytona Twin Tec Ignition Module or a Dynojet Powervision. Add a good set pipes and an air cleaner and you have 100 horsepower and 150 foot pounds of torque. This build uses the stock 4” crankshaft.

Twin Cam 107” 1999 - 2006

Our Street CVN cylinder heads, compression releases, our 4 ⅛” Ductile Iron lined cylinder upgrade, 4 ⅛” 10.25:1 forged CP pistons, Andrews TW50 cams, Daytona Twin Tec Ignition Module. Add good pipes and an air cleaner and you have 115 horsepower and 120 foot pounds of torque. This build uses the stock 4” crankshaft.

Twin Cam 103” 2006 - 2016

Our Street Raised Port cylinder head, compression releases, stock cylinders bored and honed to 3 ⅞”, 10.25:1 forged CP pistons, Andrews TW54 cams, TTS Mastertune for EFI tuning, Bored Throttle Body, Add good pipes and an air cleaner and you have 105 horsepower and 115 foot.

Twin Cam 117” 2006 - 2016

Our Raised Floor High-Velocity cylinder heads, compression releases, upgraded 4 ⅜” crankshaft with CP forged connecting rods, our 4 ⅛” Ductile Iron lined cylinder upgrade, 4 ⅛” 10.25:1 forged CP pistons, Andrews TW50 cams, Daytona Twin Tec Ignition Module. Add good pipes and an air cleaner and you have 125 horsepower and 130 foot pounds of torque. This build used the stock 4 ⅜” crankshaft.

Twin Cam 124” 1999 - 2016

Our Pro Street Raised Port cylinder head, compression releases, our forged 4 ⅝” crankshaft with CP connecting rods, our 4 ⅛” Ductile Iron lined cylinder upgrade, 4 ⅛” 10.5:1 forged CP pistons, JET640 cams (made by Andrews Products for us), Bored 51mm Throttle Body, Add good pipes and an air cleaner and you have 140 horsepower and 145 foot

Johnson Engine Technology offers complete installation and tuning for all of our performance builds.

Engine Building notes:

• Johnson Engine Technology uses TTS Mastertune or Dynojet Powervision for EFI tuning

• Our preferred carburetor is the stock CV or 44CV unit, for large displacement engine we us S&S G carbs