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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Sp 542
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<blockquote data-quote="NASSTY" data-source="post: 1283827" data-attributes="member: 20920"><p>My 2017 came with CYFS-12Y-PCT. I replaced them with SP 550 which also have part# CYFS-12Y-PCT on them. I ran the part# for the hell of it and that # comes up as SP 550 and also says Superseded Part Number SP-527. So it appears that SP 550 and SP 527 are the same.</p></blockquote><p></p>
[QUOTE="NASSTY, post: 1283827, member: 20920"] My 2017 came with CYFS-12Y-PCT. I replaced them with SP 550 which also have part# CYFS-12Y-PCT on them. I ran the part# for the hell of it and that # comes up as SP 550 and also says Superseded Part Number SP-527. So it appears that SP 550 and SP 527 are the same. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
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