Seller notes

Carburetor Rebuild Kit Sierra 18-7728 Holley 4150 Series Mercrusier 454 7.4L This kit is interchangeable with:Holley - R6647A & R6647AAAMallory - 9-37614 Please verify fitment before buying. In most cases, parts are not universal. Just because it "looks right" doesn't make it right. Please message your engine's model and serial number through eBay's messaging system by clicking the “Contact Seller” link. Be an informed buyer: Please contact us with any questions about the description or spec...

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