American Racing 1242100041 Center Cap Part No.             Size       Offset    Backside  Bolt Circle AR3836749     16" x 7"       42         5.65          4x100   AR3836766     16" x 7"       42         5.65          5x114.3   AR3836780     16" x 7"       42         5.65          5x100   AR3836791     16" x 7"       42         5.65          5x115   AR38377566   17" x 7.5"    45         6.02          5x114.3    AR38377591   17" x 7.5"    45         6.02          5x115   AR3838866     18" x 8"       40         6.07          5x114.3 American Racing Brands > Torq Thrust Wheels > Dale Earnhardt Jr. > Boyd Wheels > Carroll Shelby Other Am. Racing Brands > Moto Metal > Helo Wheels > ATX Off-Road > XD Wheels Technical Information > Bolt Pattern > Center Bore > Wheel Offset > Wheel Maintenance American Racing Dealers > Wheelsforless > Wheelsfortrucks > Wheelsfordealers Other Brands > Foose Wheels > Ion Alloy Wheels > Billet Specialties > Fuel Off-Road > Custom Wheels