This is a USED Quick Change Center Section Side Bell. It is a Aluminum.
Quickchange Center Section Halibrand 301W Aluminum Sprint IMCA Model A RAT #2
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Quickchange Center Section NON Q.C. CAE Midget Sprint IMCA RAT Rod Vintage
Quickchange Center Section Aluminum WINTERS End Bell 6383-0 UMP IMCA WISSOTA K&N
Quickchange Center Section Side Bell Benson RH71 Magnesium IMCA UMP WISSOTA K&N