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@ HEAD_DOME'S_? RODS_LONG/SHORT_?  CYLINDER HEIGHT? WHICH_DO_I_HAVE_?

THE HEAD DOMES AND CONNECTING ROD LENGTHS ARE WHAT WE ARE TRYING TO IDENTIFY AND GIVE NAMES TO HERE

"MODEL"____________________"WE WILL CALL IT"

Z50 68 TO 81_____ (OLD_50_DOME) (SHORT_ROD) 63MM TALL CYLINDER

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Z50 82 TO 87____ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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Z50 88 TO 91____ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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Z50 92 TO 99___ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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XR50 ALL______ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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ZB50________ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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CRF50 ALL ____ (NEW_50_DOME)(LONG_ROD) 63MM TALL CYLINDER

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PASSPORT 80-81__ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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PASSPORT 82-83____ (NEW_70_DOME)(LONG_ROD) 63MM TALL CYLINDER

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CL70 ALL_______ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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CT70 69-81_____ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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CT70 82_________ (NEW_70_DOME)(LONG_ROD) 63MM TALL CYLINDER

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CT70 91-94______ (NEW_70_DOME)(LONG_ROD) 63MM TALL CYLINDER

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SL/XL70 ALL___ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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XR70 ALL________ (NEW_70_DOME)(LONG_ROD) 63MM TALL CYLINDER

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ATC70 73-81____ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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ATC70 82-85____ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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TRX70 ALL_____ (OLD_70_DOME)(SHORT_ROD) 63MM TALL CYLINDER

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TRX90 ALL (NEW_70_DOME) (ROD IS DIFFERENT THAN ALL OTHERS) 69MM TALL CYLINDER