DragonSlayer crankshafts are made in the U.S.A. for American Racers. With an expanded line of part numbers, the DragonSlayer is rapidly setting the standard by which other Sportsman crankshafts are measured.

Gen II/IV LS1 DragonSlayer crankshafts are available in either 4.000 or 3.625 strokes with 2.100 rod journals. Callies can balance your DragonSlayer up to an 1820 bob weight at a special money saving LS1 price. Our LS1 crankshafts are machined from premium 4340 forgings. Each Callies LS1 features PERMA-TOUGH heat treating for added strength and serviceability. DragonSlayer LS1 crankshafts are sold with gun drilled mains and Angalite drilled rod journals.

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