It might have been a metal "shim" style gasket but the modern ones I have seen have a rubber coating on them. When I needed them for my 2 ton LCF I just made them myself from FelPro paper gasket stock. They are not leaking.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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