S85 performance at new heights
The VAC S85 5.6L/5.7L/5.8L Stroker crank has been properly designed to ensure performance, durability and reliability.
Our VAC cranks are made to beyond OEM Motorsport quality from the highest quality billet steel
alloys and properly nitrided- running in dozens of successful race cars around the world!
We have many race teams running this crank with great success. It is proven to win in the most grueling 24-Hour endurance races as well. Reliability and output are top notch!
Our crank maintains a lightweight design and offers gains in torque to get
you out of corners faster, and horsepower to widen the powerband and get the advantage in the
straightaway's. Some customers have even used our crankshafts in forced
induction builds. Whatever your goal, VAC parts and advice will help you achieve
your goal.
Understanding Stroke: This crankshaft has an 84mm stroke
-A bore size of 92mm gives a displacement of ~5584cc
-A bore size of 93mm gives a displacement of ~5706cc
-A bore size of 94mm gives a displacement of ~5823cc |
VAC Tech Tip:
Consider our full system 'VAC Stroker Kit' for maximum performance and
reliability. All components have been tested and run together in our VAC built
engines in this configuration.