K-Tech Engine Service is a Japanese engine specialist producing precision internal and valvetrain components for high-revving performance engines, with particular expertise in Honda VTEC units. Its catalogue includes adjustable slide cam sprockets and pulleys for accurate valve-timing correction, along with other engine-building parts aimed at serious tuners. These made-in-Japan components suit owners extracting maximum reliable power from K20A, F20C and related Honda engines. Black Hawk Japan stocks the K-Tech Engine Service range, sourced direct from Japan.