Semroc Centering Rings Fiber BT-50 to ST-18 (2 ring set with engine hook slot) SEM-CR-50-18EH
Laser-cut rings for centering a BT-50 tube inside an ST-18 tube
One ring includes a notch for the engine hook
Fiber thickness = 0.05"
I.D = 0.976
O.D = 1.8
Semroc Centering Rings Fiber BT-50 to ST-18(2pk) SEM-CR-50-18 Laser rings for centering a BT-50 motor tube inside an ST-18 tube <
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Semroc Centering Ring Set Fiber LT-115(BTH-52) to ST-18(2 Piece Set with Engine Hook Slot) &nb…
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