LW-25H0.63 Lycoming BOLT-.250-20 X .63 LONG HEX DR

HIO-360-E1AD, -E1BD, -F1AD (high compression) (Wide Deck) IO-360-A1A (Narrow Deck) IO-360-A, -A3B6, -A3B6D, -C, -D1A, - J1A6D, -K2A; AIO-360-A1A, -A1B, -B1B; AEIO-360-A1A, -A1B, -A1B6,-A1D, - A1E, -A1E6, -A2B; LIO-360-C1E, -C1E6,-C1E6D (short reach spark plugs) (high compression) (Wide Deck) IO-360-A3B6D (long reach spark plugs) (for turbocharging) (Wide Deck) IO-360-C1F (short reach spark plugs) (non-turbocharging) (Wide Deck) IO-540-A, -G, -K, -L; HIO-540-A1A (high compression) (Narrow Deck) IO-540-AA1A5, -AA1B5; TIO-540-U2A; LTIO-540-U2A (low compression) (Wide Deck) IO-540-AG1A5 (low compression) (Narrow Deck) IO-540-B, -E (high compression) (Narrow Deck) IO-540-E1B5 IO-540-M1A5; (for turbocharging) (high compression) (Narrow Deck) IO-540-G, -K, -P, -S (high compression) (Narrow Deck) IO-540-G1D5, -K1B5, -K1C5, -K1E5, - K1E5D, -S1A5; AEIO-540-L1B5, -L1B5D, -L1D5 (high compression) (Wide Deck) IO-540-K1A5, -K1A5D, -K1B5, -K1D5, -K1F5,-K1F5D, -K1G5, -K1G5D, -K1H5, -K1J5, -K1J5D, -K1K5, -K2A5, -L1A5D, -L1B5D, -L1C5, -AE1A5; AEIO-540-L1B5, -L1B5D, -L1D5 (high compression) (Wide Deck) IO-540-M1A5, -M1A5D, -M1B5, - M1B5D, -M1C5, -U1A5D, -U1B5D (high compression) (Wide Deck) IGSO-540-A1A, -A1C, -A1D, -A1E, - A1H (low compression) (Narrow Deck) IGSO-540-B1A, -B1C (low compression) (Narrow Deck) TEO-540-A1A, -C1A (Wide Deck) TIO-540-A1A, -A1B, -A2A, -A2B, - A2C (low compression) (Narrow Deck) IO-580-A1A, -B1A; AEIO-580-B1A (high compression) (Wide Deck) IO-720-A1A. -D1B (high compression) (Narrow Deck) IO-720-A1B (high compression) (Narrow Deck) IO-720-A1B, -D1B, -D1C, -D1CD (high compression) (Wide Deck) IO-720-B1B, -C1B (high compression) (Narrow Deck) IO-720-B1B, -B1BD (high compression) (Wide Deck)