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Well I ordered a 75.5mm cometic HG from a local shop but they are on back order. So Im going with OEM instead.

Im using 75.5mm pistons, the OEM headgasket will work with these? correct? even though OEM pistons are 75mm? Dont need to bore the gasket to fit?

Thanks in advance, just want to make sure before I order.
 

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Well I ordered a 75.5mm cometic HG from a local shop but they are on back order. So Im going with OEM instead.

Im using 75.5mm pistons, the OEM headgasket will work with these? correct? even though OEM pistons are 75mm? Dont need to bore the gasket to fit?

Thanks in advance, just want to make sure before I order.
You'll be fine! Measure it if you must.
cool! i had this same question... guess ill be getting an OEM Y8 HG instead of a cometic.
 

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this has been discussed.. honda makes ONE hg for all its rebuild applications. in other words, 75mm 75.25mm, and 75.5mm applications all take the same gasket. the fire ring of the hg is ~75.5. slap it on and go.
 
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