What clutch did my 64 Impala 340 hp come with?

mmanship

Active Member
Supporting Member 1
i am replacing my clutch parts. I have it apart. It has an 11" clutch in it. When I went to NAPA and asked for the replacement parts for my car, they brought out a 10.5" clutch. Curious if my car could have come new with 11" clutch? Anyone know? Thanks
 

DonSSDD

Well Known Member
Supporting Member 2
Not sure any GM had an 11 inch before the big blocks- maybe 67 or later. What flywheel do you have?
 

Hoyt99

Well Known Member
Supporting Member 2
Is 10.5” considered interchangeable with a 10.4”? My disc is 10.4, so can I use a 10.5?
 
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