Harley Davidson Evolution Engine Upgrades

Horsepower increased 10 and torque increased 15 from the Shovelhead.

Harley davidson evolution engine upgrades. Many hours of research and development have gone into designing these upgrades using the most reliable parts available combined with expert workmanship. Complete Crate Engine Assembly Service - 93795 Labor Only Revolution Performance can build or rebuild your complete engine. Why is it that we still look for ways to eke out one more horsey.

After all a large part of the companys downfall in the 70s had been due to outdated engine designs. Disassembly of the top end of the engine is required. A Stage 1 upgrade is the most common because it can be done by most.

Full skirt CP pistons w 3mm oil ring. Stock rebuild or custom big bore we will send your complete engine back ready to reinstall and tune in your chassis. 45 to 50 HP Stock Evolution Engines are the starting point for all the modifications.

This Stage Three engine requires internal changes to the engine. The only way to validate what the performance gain was for any change is to have dyno runs before and after. For those that do though all four stages can be done in conjunction with one another to build the ultimate Harley V-Twin.

Baggers are meant to be comfortable on long distance mounts for mile after mile of touring. These bolt-on modifications include camshafts and milling of the heads to increase compression. So before you opt for one of our legendary Stage 1 2 or 3 Full House Harley upgrades be sure you know what it is you want when it comes to the performance of your Harley-Davidson.

I have 5 quick and easy upgrades tha. These are the before runs of several bikes. It will also show you how it goes back together.