Harley 145ci Hyperformance Ductile Cylinders Nitrous Bagger Drag Racing Motor Evo Evolution

Amazing work by Randy at Hyperformance! These custom made billet ductile steel cylinders are going on another big motor build.
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JCS Performance
11 S 5th St
McAllen, TX 78501
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[@MadMexism]

Crazy how do much power can be air cooled. I read it’s going to be majority strip use, but even though, this thing is very impressive! Incredible work.

[@superplumber5]

Looks awesome

[@jcsperformance2778]

We're super excided to get this done!

[@Crimepaysaskapolitician]

Is that engine for the strip? Its a beast.

[@jcsperformance2778]

Yes, this is going to be 95% strip only. More updated on the build will be posted as we go.

[@XLXBhorsepower]

How are you going to put the 2 bolts in from the bottom? I don’t see the cylinders have been relieved?

[@jcsperformance2778]

We were going back and forth on the idea of doing the extra head bolts. Now that we decided to do them, the cylinders need to be machined for it.