Applications: C5 and C6 Corvettes with passive ABS system (non-ZR1) Features: •Will Fit C5, C6 •Interchangeable from Front to Rear •ZR1 Technology •10 Micron Run-out •Increased Durability SKF manufactures the hub unit for the ultimate track Corvette, the new ZR1, and is offering the same technology to the C5 and C6 owner. The SKF Corvette Racing Hub unit is designed to provide high stiffness during cornering, thereby, reducing piston knock-back and the need to trail brake. It is also designed for durability and to maintain preload at sustained loading of 1.2+g! All this adds up to faster lap times and better driver feedback. If you have upgraded your Corvette’s performance and/or use it in any form of competition, you need these SKF hubs. You gain increased stiffness for better brake performance under high loads, higher preloads, <10micron run-out and much increased durability. Under race and competitive use, you may go an entire season without replacement. And they look cool with their black oxide casing. So improve your Corvette’s handling, brake performance, and hub durability with these new SKF Performance Hubs. The Hardbar Bearing Fastener kits are HIGHLY recommended for this product.