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need help identifying these pistons

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Old 10-03-2007, 09:51 AM
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Default need help identifying these pistons

i got these in a trade with my friend, brand new honda oem, he told me they were h22 jdm type s oversized pistons, they are P5p's

product number 13030-P5p-J00

does anyone know if they are 87.25 or 87.50?
Old 10-03-2007, 09:58 AM
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Default Re: need help identifying these pistons (nicko360)

Why don't you measure them?
Old 10-03-2007, 10:04 AM
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Default Re: need help identifying these pistons (Hardedge)

its too close to tell for sure
Old 10-03-2007, 10:07 AM
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You could try searching the part number on Honda's eStore, but if it's JDM it may not come up.
Old 10-03-2007, 10:08 AM
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Default Re: need help identifying these pistons (nicko360)

thats y u get a micrometer.. and mesure it.. bc its made to tell u down to the idtybity bit.. so go buy one form auto zone and mesure it. or u couuld just call honda with the part number or u could just google it..
Old 10-03-2007, 10:15 AM
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Default Re: need help identifying these pistons (luvmihatch)

ive tried googling it, and ive tried looking up the part number on the honda website

....no luck
Old 10-03-2007, 10:16 AM
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Default Re: need help identifying these pistons (nicko360)

is it a forged piston or cast.. bc if its forged then its obviosly after market..
Old 10-03-2007, 10:27 AM
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Default Re: need help identifying these pistons (luvmihatch)

Going by in which the order Honda uses their piston part numbers, this would make your pistons 0.25 oversize. You can tell by the first 5 digits of the part number, Honda uses 13010 For OEM Size pistons, TYPE A then they use 13020 for OEM Size pistons TYPE B and if there's an oversize option they use 13030 for 0.25" Oversize pistons. If there is no Type B piston Honda uses 13020 for 0.25" oversize basically just bumping the part number down one row.

-Froth
Old 10-03-2007, 03:43 PM
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Default Re: need help identifying these pistons (Froth)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Froth &raquo;</TD></TR><TR><TD CLASS="quote">Going by in which the order Honda uses their piston part numbers, this would make your pistons 0.25 oversize. You can tell by the first 5 digits of the part number, Honda uses 13010 For OEM Size pistons, TYPE A then they use 13020 for OEM Size pistons TYPE B and if there's an oversize option they use 13030 for 0.25" Oversize pistons. If there is no Type B piston Honda uses 13020 for 0.25" oversize basically just bumping the part number down one row.

-Froth</TD></TR></TABLE>

thanks man, good knowledge
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