Will work for front or rear. All studs are 1/2-20 thread.Additional Information21A-1107/8-R, must ream hole to .600, have to file flat side on headLength 1 1/2" WHEEL STUD - 40-48 PASS/MERC, 40-47 PICKUP FOR REPRODUCTION HUB/DRUM£3.50PriceQuantity*Add to Cart