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This item is an engine rebuild kit with FLAT TOP pistons for EARLY GM marine 3.0L (181ci) 4-cylinder engines with a 2-piece (split-type) rear main seal; standard rotation. P/N 807-300 w/H897CP. The included gasket set contains all gaskets needed for engine reassembly but may not have all accessory gaskets.
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.