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Torque Tite 166B and 66S are the same as Foster catheads 24BAH (6bolt), 24BAK (8bolt) and 37SAH (6bolt), 37SAK (8bolt).

Print this selection for your part # conversion.  We use the Foster Part #'s whenever possible in our search engine.

166B 66S
Texas Western /Torque-Tite Foster Part # 24B 37S
# REQ # REQ LBS
166-10 11-3 6 6 0.48
66-11 11-6 0 1 0.02
66-12 11-9 0 1 0.05
166-13 11-13 4 4 0.2
166-14 11-15 1 1 0.04
166-15 11-17 1 1 0.04
166-16 11-18 1 1 0.44
166-17 11-19 24 20 0.01
166-18 11-34 4 4 0.44
166-19 11-49 12 0 0.11
166-20 11-52 7 7 0.26
166-21 11-53 8 0 0.07
166-22 11-55 2 2 0.01
166-23 11-56 24 24 0.07
166-24 11-61 1 0 0.5
166-25 11-68 1 1 0.01
166-26 11-95 32 0 0.01
166-27 11-131 1 1 0.04
166-82 11-130 1 1 0.09
66-29 12-12 0 1 2.3
166-30 12-13 1 1 3.75
166-31 14-35 1 1 0.25
166-32 15-8-2 1 1 5.3
166-33 18-21 1 1 2.75
166-34 19-4-3 1 1 90
166-35 19-8 1 1 7.5
166-36-1 24-1-2 (6 Bolt) 1 0 162.5
166-36

24-1-4 (8 Bolt)

1 0 162.5
166-46 24-16 1 0 0.13
166-52 24-19 1 0 3.13
166-10 11-3 6 0 0.11
166-17 11-19 16 0 0.01
166-20 11-52 7 0 0.26
166-56 24-31-1 1 1 100
166-62 24-47-1 1 1 10
166-58-1 * 1 1
166-58 24-34 1 1 20
166-59 24-35 1 1 0.1
166-60 24-36-1 1 1 1.12
166-61 24-40-4 1 0 35
66-61 37-40-2 0 1 35
166-62 24-47-1 1 0 16.75
166-63 24-61 1 1 0.1
66-64 29-19 0 1 4.25
66-65 29-47-1 0 1 16.75
66-66-1 37-1-4 0 1 148
66-66 37-1-2 0 1 164
166-46 24-16 1 1 0.13
66-64 29-19 0 1 4.25
166-10 11-3 6 6 1
166-17 11-19 20 20 0.05
166-20 11-52 7 7 0.26
166-27 11-131 1 1 0.02
66-67-1 37-3 1 1 137
166-44 24-13 2 2 0.35
166-42 24-11 1 1 9.75
166-13 11-13 4 4 0.05
66-68 853-1 1 1 2
166-37 24-2-1 1 1 87
166-43 24-12 1 1 1.75
166-56-1 24-31-1 1 1 100
166-57 24-32-1 1 1 25
166-57-2 11-1218 24 24 0.05
166-38 24-3-1 1 0 94
166-42 24-11 1 1 9
166-44 24-13 2 2 0.35
166-13 11-13 4 4 0.02
66-68 853 1 1 2
166-37 24-2-1 1 1 87
166-43 24-12 1 1 1.75
166-56-1 24-31-1 1 1 100
166-57 24-32-1 1 1 25
166-57-2 11-1218 24 24 0.05
166-38 24-3-1 1 0 93.5
166-42 24-11 1 1 10
166-44 24-13 2 2 0.35
166-13 11-13 4 4 0.02
166-39 24-5 1 1 60
166-40 * 1 1
166-40-1 24-9-1 1 1 42
166-41 24-10 2 2 4.5
166-42 24-11 1 1 9.75
166-43 24-12 1 1 1.6
166-44 24-13 2 0 0.35
166-45-1 24-14 1 0 15
166-45-2 24-14-1 1 0 20.5
166-45-3 24-14-2 1 0 19
166-45-4 24-14-3 1 0 17
166-46 24-16 1 1 2.75
166-47 24-17 1 1 2.75
166-48 24-23 2 0 3.2
166-49 24-20-1 1 0 17
166-50 24-21 1 1 3
166-51 24-22 1 0 12
166-52 24-19 1 0 5
166-53 24-26 1 0 34
166-54 24-27 6 6 0.04
166-55 24-30 3 0 0.25
166-55-1 24-30 3 0 0.25
166-54-1 24-35 3 0 1.12
166-59-1 11-66 3 0 0.05
166-66 25-29 1 1 0.7
166-67 * 2 2
166-68 11-642 4 4 0.08
166-67-1 18-13 2 2 0.32
166-69 * 1 1
166-70 * 1 1
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