These Titan Wheel Accessories 2 Inch hubcentric wheel spacers are designed with a 5x4.75 (5x120) bolt pattern . 70.5mm hub bore and 12x1.5 thread pitch for Cadillac XLR . Chevy Camaro . Chevrolet Corvette . S10 Blazer (will not fit front of 2WD) . GMC Jimmy and Sonoma (will not fit front of 2WD). They are machined from T6 6061 billet aluminum . making them both lightweight and durable. These spacers will improve the stance of your vehicle . providing a more aggressive look while also adding additional clearance for aftermarket brake and suspension parts. They also allow for larger wheel and tire combinations to be installed . giving you more options for customization. These spacers are easy to install and come with all necessary hardware.