Texas Speed Brawler Balanced Rotating Assembly for GM 408CI LSTSP 408ci Brawler Balanced Rotating Assembly The same high quality parts we use in our Brawler engines, now available in a balanced & ready to run rotating kit! All rotating assemblies come with Clevite main & rod bearings, and piston rings. The crankshaft will come with a 58x reluctor wheel for high rpm crank signal accuracy. The crankshaft will also be digitally spin balanced to the weight of your new rotating assembly, on our CWT balancer, ensuring