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JASPER Race Products Performance Report - Martinsville
Posted to R.P.M. Forum on 3/25/2019

JASPER® Race Products Performance Report

Seven Top Ten Finishers at Martinsville use JASPER 4-Speed Transmissions

Kyle Busch, running a JASPER 4-Speed Transmission, finished third in Sunday's Monster Energy NASCAR Cup Series STP 500 at Martinsville Sp... Login to read more.