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JASPER Race Products Performance Report - Martinsville
Posted to R.P.M. Forum on 10/28/2019

JASPER® Race Products Performance Report

Truex Dominant at Martinsville with JASPER 4-Speed Transmission

Martin Truex, Jr., running a JASPER 4-Speed Transmission, was the class of the field in winning Sunday's Monster Energy NASCAR Cup Series First Da... Login to read more.