Consists of part numbers 12317, 12669, 13618, 13940, 17181, 25333, 25337, 25568, 25872, 32994, 34646, 5867, 87208, 87516 and 9573; partial bore 5.498 in. Min and 5.501 in. Max diameter then 5.486 in. Min and 5.489 in. Max dia; 16 holes 0.400 in. Min and 0.411 in. Max dia