These bushings are the smaller style [ 1 1/2 barrel ] replacement urethane bushings for our fabricated motor mounts. Motor mount bushings are available in three durometer specs. Sold in set of 2. 2 bushings required per motor mount. Typically we sell the 95 durometer [ hard ] bushings for the Manual transmissions cars for road race and drag purposes primarily. The 88 durometer [ medium ] bushings for the street and occasional track for either transmission. 70 Durometer is the Softest but still stiffer than original OEM mounts. Application chart for this style bushing 1992 - 1994 MX-3 front by radiator and rear by the firewall. 1990 - 1994 Protege front by radiator and rear by the firewall. 1986 - 1991 RX-7, 1995 - 2003 Protege front by radiator and rear by the firewall. 1988 - 1999 MX-6 and Ford Probe same as above. 2003 - 2009 Mazda6 [ non speed 6 ] transmission mounts. 2003 - 2007 speed 6 lower rear mount [ requires 2 sets ]2003 - 2009 Mazda3 or Speed 3 lower rear [ 88 D only ]. Please specify application upon ordering these items!