This is a Two-piece Two-Blade 1½" White Nylon Spinner with a Nylon Backplate|
One spinner cone
Two 3/32" x 5/32" S/T screws
Instructions on header card
Spinner Diameter: 1½"
Spinner Backplate Thickness: 1/8"
Crankshaft hole: 3/16" (may be reamed to ¼")
Instructions state that this is a sport plastic spinner and not
designed for use with high performance engines or engines with
tuned pipes. Operation above 14,000 RPM is not recommended.
instructions updt tjt 072705