Alloy wheel KM552 IMS Machined W Matte Black Lip KMC 20x9 +0 KMC KM552 IMS 8x180 Machined W Matte Black Lip Wheels (Set of 20x9.0 KMC IMS KM552 Matte Black w Gloss Black Lip KM552 IMS 18X9 6X139.7 ET00 CB106.1 MATTE BLACK GLOS BLACK LIP KM552ZB20906318: 20x9 KM552 IMS KMC In 6x135 18 Offset on Sale. The KM552 IMS is a reimagined version of our famous Impact race wheel, tailored for your street and trail vehicle. Featuring a robust monoblock construction and simulated beadlock design, the KM552 is the perfect style additive for your truck, Jeep, and SUV. We took the IMS performance even further. We now offer the KM552 in 18 diameters and your choice of 6 and 8 lug bolt patterns for HD applications.