Porsche IMS Upgrade Kit for MY06 08. Engine Disassembly Required & Tool Kit 106 08.21 655002 SMC62801600 Porsche Flat plastic center cap 93050503201 Porsche Flat plastic center cap with black crest for 911 anodized molding trim for the rear right side of the Targa top roll bar edge on 914 (1970 1976) and 914 6 (1970 1972) models The IMS Upgrade for MY06 08 utilizes an adapter bushing that converts the larger bearing journal to accept the Single Row Pro IMS Retrofit (included) so that after engine re assembly the IMS bearing can be serviced without future engine disassembly Porsche IMS Retrofit is a registered trademark of LN Engineering LLC and the original ceramic hybrid ball bearing replacement for the M96 M97 engine the only one trusted by hundreds of independent mechanics and used by dealerships worldwide