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Old 03-05-2007 | 02:19 AM
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twiggy
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Originally Posted by Sirio2127
There was also a s21pr 7 port "abc" engine this was an "alloy piston, brass liner, and crome inside the liner" version of the s21pr pro. When a sirio engine is coaded with a "pro" on the number on the box it should be aac "Alloy piston, Alloy liner, and crome inside the liner". Regards Jeremy.
which one did i get?
is it aac?
thanks jeremy
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