Only Chevrolet Performance can offer you such a huge selection of race blocks that have been precision CNC-machined with tighter tolerances than their Bowtie blocks. These Chevrolet Performance 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