Note that is with our 6-rib belt system still, 10-rib will be even better.
Sponsored
Built engine, F.A.S.T stand alone system. By no means is it a stock S550.
the guys at Watson do a quality job!!
We have most of the 15 stuff listed.
http://www.teambeefcakeracing.com/watsonracing.html
Where did it say stock s550 anywhere?