ALL ROCKET BLOCK

Part Number: 22551788

ALL  ROCKET BLOCK - Part Number 22551788
Rocket Block Cast iron, tall deck w/ wet Sump. Precision machined block (+/-0.0001-inch) that needs no additional blueprinting to correct production tolerances. Extra-thick siamesed cylinder walls provide 0.275-inch minimum wall thickness with 4.125-inch bores. Shipped with 3.986-inch bores, but can be bored to 4.155-inch. Standard deck height is 9.025 inches with 0.625-inch minimum deck thickness. Blind-tapped head bolt holes. Steel four-bolt main caps and two-piece rear main bearing seal. Raised camshaft (0.390-inch) will clear a 4.125-inch stroke crankshaft. Big-block cam bearings are used. Revised lubrication system with priority main oiling. Spread oil pan rails will clear up to a 4.125 inch stroke crankshaft in tall deck blocks with minor modifications. Block has dual starter mounts, bosses for side and front engine mounts, and provisions for a mechanical fuel pump. Note: Depending on components used, bottom of bores and oil pan rails may require notching and additonal machine work for connecting rod and counterweight clearance.
Cast Iron Tall Deck w/ Wet Sump

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