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Big M Sportsman Blocks |
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| The Big M Sportsman block was designed to be an even more affordable version of our highly popular Big M. The Sportsman block is fitted with ductile iron 4-bolt main caps, and feaures a redesigned the lubrication system that oils all of the main bearings before the lifters for extra reliability. We added two slotted head stud bosses on both sides of the lifter valley so you can use studs instead of hard-to-install bolts to take the place of the “missing” head bolts. With available deck heights of 9.800" and 10.200" and bore sizes of 4.250", 4.500" and 4.600", the Big M gives you the versatility to build a wide variety of engine combinations. Dart blocks are machined in-house on precision CNC equipment to ensure quality and to eliminate the need for expensive “blueprinting". |
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