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Note that the FSR has a wide intake inlet and most spraybars for plain bearing engines (E.G. LA and FP series) will not center the spraybar orifice correctly in the venturi. OS Max FSR 25 Schnuerle port engines.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.