Upper Echelon S54 Performance!
With years of experience and an optimized design, this stroker kit is a trusted setup. We have proven this configuration works brilliantly and reliably, all while using BMW style bearings. Don't bother with weaker offset-ground or modified cranks, or those that have to use a domestic style bearing.
We have many race teams running this crank and our stroker components with great success. They have won multiple It is proven to win in the even the most grueling scenarios of 24-Hour endurance races.
-Proven in Grueling Endurance Racing - Championship Winning
-Machined from the best-quality steel billet
-No need for non-BMW bearings
-Exclusively manufactured by Arrow Precision to our specifications
-Exceptional quality and consistency
-Choice of specs
-Balanced out of the box
-Pre-clearanced for most race cams (always check Piston to valve clearance*)
-Includes Rings, Standard Pins & Locks
-Closely balanced out of the box
-Include ARP hardware
-Best in class Strength-to-weight ratio
-Proven results in this stroker kit
Understanding Your Stroker:
-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
Commonly ordered compression ratios:
13:1 [Race use] High octane race fuel
11.5:1 [Stock CR] Good for pump fuel, low-boost (>9psi) turbo, Superchargers
9.0:1 [Low CR] Recommended for high-boost turbocharged engines, Big custom charger
With maximum reliability and displacement, your S54 will scream! Our crank maintains a lightweight design and offers gains in torque and horsepower throughout the powerband.
VAC S54 Stroker Kit includes:
VAC 3.4L/3.5L Billet Crank with 97mm Stroke
(6) CP Forged Pistons; with high quality rings, pins, & locks (any compression ratio/ .5mm bore increments)
-Optional Slipper Skirt X-forging Pistons (+$100)
-Optional skirt & dome coatings (+$60 per piston for both)
-Optional DLC coated Piston Pins (+$60 each)
(6) Arrow Precision forged connecting rods w/ ARP hardware
-Option, Titanium rods for the ultimate in high rpm capability
VAC Tech Tip:
This crank can help give the S54 a wider powerband with more torque across the entire powerband, giving you the edge off the line and out of corners when you need it most! Always remember to check piston to valve clearance when assembling your engine.
Many race teams don't like to give away their competitive advantage: here are some of our customers who will share their successful formula. Check out these hill climb racers from the Middle East running VAC power!!!...
Buy Now: http://store.vacmotorsports.com/vac-...-kit-p757.aspx