RSW-11 RED SPORT Wheel Center Cap Serial Number CSRSW11-1P OR LG0909-85 RED SPORT Wheel Replacement Center Cap for model RSW-11 OEM Wheel Replacement Center Cap with serial number CSRSW11-1P OR LG0909-85 (see back of cap to match number). **Note: If the numbers do not match the cap, it will not fit your wheel! Back of cap measures 6 7/8" in diameter Chrome plastic Scroll down to Product Description for further fitting help or go to our FAQ on our store site.