LEMH-001 fits 0-235 Lycoming engine (7/8″ hole) Kit contains 8 each 60883 bushings, 4 each AN6-43 bolts, AN970-6 washers, AN310-6 nuts, MS24665-283 cotter pins, and 1 ft of 1/2×058- 4130 steel tubing. LEMH-002 fits Lycoming 0-290 (1″ hole). Kit contains 8 each 71032 bushing, 4 each AN6-43 bolts, AN970-6 washers, AN310-6 nuts, MS24665-283 cotter pins and 1 ft of 1/2×058-4130 steel tubing.