Frequently Asked Questions
Transmission Lookup
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Home > Transmission Measurements
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2100 E. Texas St, Bossier City, LA 71111
318-746-1568 www.transmissiontechnologies.com
Powerglide (bellhousing pattern - Chevrolet, Fit-all)
Style
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A
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B
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C
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D
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E
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short shaft
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25 23/64
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16 5/16
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20 9/16
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3 ¾
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19
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TCI shorty
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17 15/16
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16 5/16
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20 9/16
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N/A
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19
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long shaft
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27 9/16
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16 5/16
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20 9/16
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3 ¾
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19
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TH350 (bellhousing pattern - Chevrolet, BOP, Fit-All)
Style
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A
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B
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C
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D
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E
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6" tailshaft
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27 11/16
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21 5/8
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20 3/8
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3 ¾
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19 1/8
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9" tailshaft
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30 11/16
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21 5/8
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20 3/8
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3 ¾
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19 1/8
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12" tailshaft
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33 27/32
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21 5/8
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20 3/8
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3 ¾
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19 1/8
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TH400 (bellhousing pattern - Chevrolet, BOP)
Style
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A
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B
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C
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D
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E
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C tailshaft
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28 3/8
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24 5/16
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26 15/16
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4 ¼
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20
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D tailshaft
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33 27/32
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24 5/16
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27 15/16
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4 ¼
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20
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13" tailshaft
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37 7/8
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24 5/16
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27 21/32
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1 ¾
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20
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2004R (bellhousing pattern - BOP, Fit-All)
Style
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A
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B
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C
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D
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E
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All
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27 11/16
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integral tailhousing
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27
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3 ¾
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19 1/8
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700R4 4L60 (4L60E 1993-1995) (bellhousing pattern - Chevrolet)
Style
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A
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B
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C
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D
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E
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All except Corvette
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30 ¾
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23 3/8
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22 ½
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3 ¾
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20
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Corvette(1982-1996)
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29 7/8
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23 3/8
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22 ½
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3 ¾
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20
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4L60E/4L65E 1996-Later (bellhousing pattern - Chevrolet/removable)
Style
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A
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B
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C
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D
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E
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All except Corvette & LS1
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30 ¾
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21 ¾
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23 3/16
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3 ¾
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18 ¼
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Corvette (transaxle)
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|
|
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N/A
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N/A
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LS1-style (1998-later)
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31 5/32
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21 ¾
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23 19/32
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3 ¾
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18 ¼
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4L80E/4L85E 1991-Later (bellhousing pattern - Chevrolet)
Style
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A
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B
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C
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D
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E
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Std. 2wd
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32 11/16
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26
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30 3/8
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4 ¼
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20
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HD 2wd
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31 15/16
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26
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30 3/8
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4 ¼
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20
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HD long
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33
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26
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30 3/8
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4 ¼
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20
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4 X 4
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29
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26
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30 3/8
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N/A
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20
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C4 (bellhousing pattern (removable) - 4 Cylinder, Small Block, Big Block)
Style
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A
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B
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C
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D
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E
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Pan Fill
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24 5/16
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16 ¾
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19 ½
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5 9/16
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N/A
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Case Fill
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30 19/32
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18 1/8
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20 ½
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5 9/16
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N/A
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CF w/ PF conv.
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|
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5 9/16
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N/A
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C6 (bellhousing pattern - FE Big Block, Big Block, Small Block)
Style
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A
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B
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C
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D
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E
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FE Big Block
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33 ½
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20
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22 3/8
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5 ½
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Big Block
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33 ½
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20
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22 3/8
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5 ½
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Small Block
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33 ½
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20
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22 3/8
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5 ½
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AOD (bellhousing pattern - Small Block)
Style
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A
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B
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C
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D
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E
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Small Block
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30 3/8
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20 3/16
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22 5/16
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5 5/16
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19 9/16
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AODE/4R70W (bellhousing pattern - Small Block, Modular)
Style
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A
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B
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C
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D
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E
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Small Block
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31 3/16
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21
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23 5/16
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5 5/16
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19 3/8
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A-727/37RH
Style
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A
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B
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C
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D
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E
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Small Block
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34 3/8
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16
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23 ¾
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2 ¾
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18
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Big Block
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34 ½
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16
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22 ¾
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2 ¾
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18 13/16
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A-904/32RH
Style
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A
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B
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C
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D
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E
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Small Block
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30 ¾
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14
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23
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2 3/16
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17 7/8
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A-518/46RH/47RH/47RE
Style
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A
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B
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C
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D
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E
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Small Block
|
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16
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|
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16 5/16
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A-500/42RH/42RE
Style
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A
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B
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C
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D
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E
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Small Block
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37
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15 7/8
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24 ½
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3 5/8
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18 1/8
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