part number help?

[CarlSereda@aol.com]

Hi Listers,
Can someone with a Girling catalogue please confirm brake caliper pistons 
#64325561 are for TR4 use? These eBay ones look right on the outside but have 
thicker walls - 1/4" versus my old walls are 3/16" thick.
These thicker ones are heavier too - maybe they absorb more heat - or are for 
a different car?
Regards,
Carl
'63 TR4 since '74

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