Planning an LS swap and looking for accessory brackets that will make the upgrade easy and seamless? Check out our line of American-made LS accessory brackets made exclusively to get you the perfect fit you’re after. We classify the following vehicles as a -1 crank pulley offset. Make sure you choose ICT Billet LS Accessory Brackets made for this specific spacing. Chevy Corvette Chevy SS Cadillac CTS-V Pontiac G8 Can’t find what you’re looking for? Give us a call at 316-800-6959 or fill out our online contact form.