| Listed in parts books | Not catalogued by year yet |
BSA PISTON B33 SHTROD 9.5+040
A +040 oversize piston listed for B33 Shtrod applications, part number R1210/040.
This is a piston listed under part number R1210/040, marked up as a B33 Shtrod piston at +040 oversize with a 9.5 compression figure noted in the description. The description doesn't give us bore diameter, ring count, or pin size, and we don't have additional catalog detail on this one beyond the single line in our records.
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The manufacturer code on file for this part is not reliable for pistons of this type, so take that with a grain of salt. Given how sparse our information is, we'd rather be straight with you than guess at fitment specifics we can't back up.
If you're chasing this for a rebuild, give the shop a call with your engine specifics and we'll work through fitment before you commit to ordering.
Sorry if we got something wrong here. If you think this information isn't correct, .