These are made of metal.Additonal Fitment:2001-2002 YAMAHA SRX 700/ S 2003-2005 YAMAHA SX 700 VIPER MOUNTAIN 2007-2007 YAMAHA VENTURE2003-2004 YAMAHA SX 700 VIPER ER 1998-2003 YAMAHA MOUNTAIN MAX 600/7001997-1999 YAMAHA VMAX 700 800 (ALL) 2006-2006 YAMAHA VECTOR MTN2002-2005 YAMAHA VENTURE 500 XL 2006-2007 YAMAHA VECTOR MTN #22007-2007 YAMAHA VECTOR MTN SE #21997-1999 YAMAHA VMAX 500 (ALL) 1998-1999 YAMAHA SRX 600/7002006-2006 YAMAHA VK PRO2003-2004 YAMAHA RX-1/ER/MTN2000-2003 YAMAHA VMAX 600/700 DELUXE 2004-2004 YAMAHA RX-1 WARRIOR1998-2003 YAMAHA MOUNTAIN MAX 700 2001-2005 YAMAHA VENTURE 600/ 700 2007-2007 YAMAHA VENTURE GT2001-2001 YAMAHA SXR 500/600/700 1997-1999 YAMAHA VMAX 600 (ALL) 2005-2008 YAMAHA RS VENTURE 2002-2004 YAMAHA SXV 700 VIPER 1997-1999 YAMAHA VENTURE 500/ 600/ 700 2004-2005 YAMAHA SX VENOM/ ER 2005-2005 YAMAHA RS VECTOR/ER/MTN