M5X / S50 / S52 Performance at New Heights
VAC M54 3.4L Stroker crank has been properly designed to ensure performance, durability and reliability. 
Without these, improving the M5X is impossible, but we have achieved superb 
results through engineering and testing.
Our VAC cranks are made to beyond OEM quality. This crank is machined from the highest quality billet steel 
alloys and properly nitrided.
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. This is also a good option for crazy forced induction builds!  Whatever your goal, VAC parts and advice will help you achieve 
your goal.
*** Please Note that due to the long stroke, you will be required to use a front damper trigger and not the OE internal trigger if being used with an OBD2 application.  Please Ask about the special sensor required. *** 
 
| Understanding Stroke: This crankshaft has a 97mm stroke -A bore size of 87mm gives a displacement of 3459.8cc
 -A bore size of 87.5mm gives a displacement of 3499.7cc
 |