141speedway.com

No aluminum, Bowtie, Rocket, SVO, 'X', or 'R' blocks allowed. No removing of identification numbers. No grinding or lightening. O.E.M. stock production crankshafts with I.D. numbers intact or O.E.M. replacement (minimum 48 pounds). No light weight cranks. No knife edging. No offset grinding. No undercut counter weights. ................
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