Semroc Centering Rings Fiber BT-50 to BT-55(2 ring set with engine hook slot) SEM-RA-50-55S
Laser Cut Lite Plywood Centering Rings to Center a BT-50 Body Tube/Engine Tube in a BT-70 Body Tube
One ring includes a cut out for the engine hook
ID= 0.976"
OD= 1.283 in
Thickness is 0.05"
Made in the USA
Semroc Centering Rings Fiber BT-50 to BT-55(2pk) RA-50-55 Laser Cut Fiber Rings to fit a BT-50 Body Tube/Engine Tube to a BT-55
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