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Message: <blockquote data-quote="Addicted" data-source="post: 1463796" data-attributes="member: 24638">I received my crower retainers in the mail last night, and I want to give a report of what I see so far. I've been trying to make room to gain clearance for the valve seal to retainer. Well, with the factory retainers, the keepers set up in the retainer a whopping<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek!    :eek:" loading="lazy" data-shortname=":eek:" /> .045", while the crower retainers give an overall better clearance all around for the coil bind and the keepers distance the set up in the retainer, which is only .015"! Exactly what ive been looking for<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" />. An extra .030" of clearance, now just think, i only had .002"-.004" of clearance with the factory retainers, now I have a total of .032"-.034". I can live with that, and just to put that in perspective, Cushman Motorsports has only .013" clearance with the .550" NPI cams, so thats another .020" over that!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" />.  Anything is possible when you put your mind to it! I never want to hear the words "I can't run a true .550" in a unmodified NPI head" again. Just use the crower +.060"! BOOM.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool    :cool:" loading="lazy" data-shortname=":cool:" />[ATTACH=full]4536[/ATTACH] [ATTACH=full]4537[/ATTACH] Look at the new install height, 1.635", and they weight half of the stockers! There made from chromoly. If anyone needs the part # 87025-16, and the titanium version is 87025T-16. Back to the garage<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" />.[ATTACH=full]4538[/ATTACH]</blockquote>