18" KMC Wheels KM552 IMS Machined with Matte Black Lip Off Road Rims # 17" KMC Wheels KM552 IMS Machined with Matte Black Lip Off Road Rims # KMC KM552 IMS Wheels Matte Bronze with Gloss Black Lip Rims 17x8.5 10 KMC KM552 IMS 6x5.5 Matte Bronze W Gloss Black Lip Wheels KMC KM552 IMS 17X8.5 GLOSS SILVER WITH MACHINED FACE YouTube. 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.