This is an Adapter Kit Used To Mount Tru Turn Aluminum Spinners. Morris .45-.60 Saito 1.20-2.70 YS all two stroke Rossi .40-.90 Webra .80-.90

FEATURES: Steel adapter nut screws onto the crankshaft holding the propeller on, then a 10-32 bolt screws into the nut from front, holding the spinner in place.

INCLUDES: One Adapter Nut One Propeller Washer One Aluminum Bushing

REQUIRES: 1/2" End Wrench To Tighten Tru Turn Aluminum Spinner

SPECS: Crankshaft Thread Size: 8x1.25 Spinner Mounting Bolt Thread Size: 10-32 Bushing Size: Inner: 8mm Outer: 3/8" (9mm)