O-360-C4P (high compression) (Long Reach) (Narrow Deck) IO-360-F1A (high compression) (Wide Deck) (Long Reach) O-540-E4A5 (high compression) (Long Reach) (Narrow Deck) IO-540-J4A5, -R1A5 (high compression) (Wide Deck) (Long Reach) TIO-540-AK1A (low compression) (Wide Deck) TIO-540-C1A, -C1AD (low compression) (Wide Deck) TIO-540-K1AD, -AA1AD, -AB1AD, - AB1BD, -AF1A, -AG1A (low compression) (Wide Deck) TIO-540-K1AD, -AA1AD, -AB1AD, - AB1BD, -AF1A, -AG1A (low compression) (Wide Deck)