New Top Quality Lucas K1F, K2F & KVF Magneto Armature Drive End E18 Bearing. Rebuild your Precious Lucas Magneto the correct way with this great quality bearing! Bearing features a Brass Cage and a separable “lipped” outer ring! Bearing measures 18mm x 40mm x 9mm. Fits many late K1F, K2F & KVF Lucas Magnetos as fitted to a wide range of Triumph, BSA, Norton, Matchless and other British Marks! Please refer to your parts catalog for proper fitment. *****Please check the Bearing Dimensions abouve to ensure the best fitment! May fit other Lucas Magnetos!*****