GM Performance Parts SB-Chevy Race Block

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GM Performance Parts race blocks take the guess out of what you need to make big horsepower. They are competition tested in NASCAR, BUSCH, and NHRA Compitition Eliminator! GM Performance Parts offer you a huge selection of race blocks that have been precision, CNC-machined with tighter tolerances than their Bowtie blocks before you even get them. These blocks feuture full race-prep machining, 4-bolt splayed main caps, and the very highest grade of materials throughout. When yyour competition has spilled their guts all over the racetrack, you'll still be in the show thanks to your GM Performance Parts race block!