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GM Performance Parts SB2.2 Engine Blocks Engine Block - Cast Iron - 4-Bolt Mains - 4.116 in. Diameter Bore - 2-Piece Rear Main Seal - Chevy - SB2.2
Brand: GM Performance Parts
Mfr Part #: 12480045
Description: Competition-tested engine blocks. Only GM Performance parts can offer you such a huge selection of race blocks that have been precision CNC-machined with tighter tolerances than their Bowtie blocks. These GM Performance Parts SB2.2 engine blocks feature full race prep machining, 4-bolt splayed main caps, and the very highest-grade materials throughout.Additional features include:* Blueprinted cylinder decks, front and rear of case; oil pan rail surfaces and head dowel pins are blueprinted* Camshaft bosses are enlarged to allow machining for the use of larger cam bearings * Extra-thick main bearing bulkhead machined at 5 degrees* Premium-quality studs and SAE 8620 steel main bearing caps* Billet wet sump rear main cap can be adapted to dry sump with plugs* Bearing cap inner bolts are spread .210 in. to allow machining for the use of 400 journal crankshafts* Priority main oil system* Two-piece rear main crankshaft and pre-1986 oil pan rail* Extra-thick deck surfaces with blind-tapped head bolt holes for improved head gasket sealing* Sonic bore test data sheet* Oil dipstick holes are not drilled
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GM Performance Parts
100 Renaissance Center
Detroit, MI MI
Website: www.gmperformanceparts.com
Phone: 313-667-8524
Get the fit and finish of factory developed, engineered, and tested performance parts.