TODA RACING Inner Shim KIT B-spec For LEVIN TRUENO 4AG-4valve 14730-4AG-B00Brand TODA RACING Series Name Inner Shim KIT B spec Product Number 14730 4AG B00 Compatible Car LEVIN TRUENO Compatible Models 4AG 4valve Product Description Inner shim KIT removing weight from the moving parts of the valve train reduces inertia and friction allowing the engine to rev higher. Toda Racing now add a B spec Inner Shim KIT is for high lift camshafts over 10. 5mm. ' Shims sold separately @600 (1. 5~3. 0mm) The kit contains standard size