Heavy-duty construction Will accommodate most Big Twins with four-speed transmissions from stock Knuckleheads to modern customs Easy bolt-in application For 4-speed transmissions in Paughco standard width swingarm and rigid frames and stock HD swingarm and rigid frames (OEMÆs 47698-36 and 47698-65) Steel construction; chrome finish Not for use with Easyride frames Made in the U.S.A.. TRANS PLATE,OE TYPE 4-SPD