aFe CONTROL Billet Aluminum Wheel Spacers 5x120 CB72.6 20mm - BMW 2018-bmw-440i-xdrive-base-esi4240538 (sold separately) Carbureted alcohol applications

(sold separately) Carbureted alcohol applications use Aeromotive Regulator P/N 13209 or 13214 sold separately

ZX4-HDR6 kit features ACT's most popular Heavy Duty pressure plate

Reversible dsign for installation flexibility

The XLPE material is heat soak resistant and extremely durable

it's made in the USA and backed by BORLA(r)'s Million-Mile warranty

aFe CONTROL Billet Aluminum Wheel Spacers 5x120 CB72.6 20mm - BMW 2018-bmw-440i-xdrive-base-esi4240538 (sold separately) Carbureted alcohol applicationsaFe CONTROL wheel spacers are a great way to improve the aesthetics, functionality, and wheel fitment of your vehicle. By effectively lowering the offset of your factory or aftermarket wheels, our spacers allow you to dial in a more aggressive fitment and provide clearance for other components such as brakes and suspension. The resulting increase in track width also improves handling and stability. All our spacers are designed in house and machined to