- Precision machined from high-grade 304 Stainless Steel.
- Stainless steel reduces thermal conductivity by up to 93% compared to aluminium.
- Plastic composite pistons are prone to damage and become brittle with age.
- OEM chrome-plated steel and aluminium pistons are prone to corrosion.
- Eliminates failure prone ceramic inserts found on some KTM models.
- Each kit contains piston or pistons to rebuild one caliper.
1990 Polaris Big Boss 250 4X6
1990 Polaris Trail Boss 350L 2X4
1990 Suzuki DR350SE
1991 Polaris Big Boss 250 6X6
1991 Polaris Trail Boss 350L 2X4
1991 Suzuki DR350SE
1992 Polaris Big Boss 250 4X6
1992 Polaris Trail Boss 350L 2X4
1992 Suzuki DR350SE
1993 Polaris 350L 2x4
1993 Polaris 350L 4x4
1993 Polaris Big Boss 250 6X6
1993 Polaris Sportsman 350 4X4
1993 Suzuki DR350SE
1993 Suzuki RM250
1993 Suzuki RMX250
1994 Polaris 300 2x4
1994 Polaris 300 4X4
1994 Polaris 400L 2x4
1994 Polaris 400L 4x4
1994 Polaris Big Boss 300 6X6
1994 Polaris Big Boss 400L 6X6
1994 Polaris Sport 400
1994 Polaris Sportsman 400 4X4
1994 Suzuki DR350SE
1994 Suzuki RM250
1994 Suzuki RMX250
1995 Polaris 300 2x4
1995 Polaris 400L 2x4
1995 Polaris Big Boss 400L 6X6
1995 Polaris Magnum 425 2x4
1995 Polaris Scrambler 400 4X4
1995 Polaris Sport 400
1995 Polaris Sportsman 400 4X4
1995 Polaris Trail Boss 250 2X4
1995 Polaris Xplorer 400L 4X4
1995 Suzuki DR350SE
1995 Suzuki RM250
1995 Suzuki RMX250
1996 Polaris Big Boss 400L 6X6
1996 Polaris Sport 400
1996 Polaris Sportsman 400 4X4
1996 Polaris Sportsman 500 4X4
1996 Polaris Xplorer 300 4X4
1996 Polaris Xplorer 400L 4X4
1996 Polaris Xpress 300 2X4
1996 Polaris Xpress 400L 2X4
1996 Suzuki DR350SE
1996 Suzuki RMX250
1997 Polaris Big Boss 400L 6X6
1997 Polaris Scrambler 500 4X4
1997 Polaris Sport 400
1997 Polaris Sportsman 400 4X4
1997 Polaris Sportsman 500 4X4
1997 Polaris Xplorer 300 4X4
1997 Polaris Xplorer 400L 4X4
1997 Polaris Xplorer 500
1997 Polaris Xpress 300 2X4
1997 Polaris Xpress 400L 2X4
1997 Suzuki DR350SE
1997 Suzuki RMX250
1998 Polaris Scrambler 500 4X4
1998 Polaris Sport 400
1998 Polaris Sportsman 500 4X4
1998 Polaris Xplorer 300 4X4
1998 Polaris Xplorer 400L 4X4
1998 Polaris Xpress 300 2X4
1998 Suzuki RMX250
1999 Polaris Big Boss 500 6X6
1999 Polaris Sport 400
1999 Polaris Sportsman 500 4X4 (after 9/98)
1999 Polaris Sportsman 500 4X4 (before 9/98)
1999 Polaris Sportsman 500 4X4 RSE (after 9/98)
1999 Polaris Sportsman 500 4X4 RSE (before 9/98)
1999 Polaris Worker 500 4X4 (after 9/98)
1999 Polaris Worker 500 4X4 (before 9/98)
1999 Polaris Xplorer 300 4X4
1999 Polaris Xplorer 400L 4X4
1999 Polaris Xpress 300 2X4
1999 Suzuki RMX250
2000 Polaris Sportsman 500 4X4 RSE
2000 Polaris Trail Boss 325 2X4
2000 Polaris Worker 500 4X4
2000 Polaris Xplorer 250 4X4
2000 Polaris Xplorer 400L 4X4
2001 Polaris 455 Diesel 4X4
2001 Polaris Sportsman 400 4X4 Before 12-7-00
2001 Polaris Sportsman 500 4X4 Duse
2001 Polaris Sportsman 500 4X4 RSE
2001 Polaris Sportsman 500 HO 4X4
2001 Polaris Trail Boss 325 2X4
2001 Polaris Worker 500 4X4
2001 Polaris Xplorer 250 4X4
2001 Polaris Xplorer 400L 4X4
2002 Polaris Magnum 325 4X4
2002 Polaris Magnum 325 4X4 HDS
2002 Polaris Sportsman 500 4X4 Duse
2002 Polaris Sportsman 500 4X4 RSE
2002 Polaris Sportsman 500 HO 4X4
2002 Polaris Trail Boss 325 2X4
2002 Polaris Worker 500 4X4
2002 Polaris Xplorer 250 4X4
2002 Polaris Xplorer 400L 4X4
2003 Polaris Sportsman 500 HO 4X4
2003 Polaris Sportsman 600 4X4
2003 Polaris Trail Boss 330 2X4
2004 Polaris Sportsman 400 4X4 AA AE AG
2004 Polaris Sportsman 400 4X4 AQ-AV
2004 Polaris Sportsman 500 4X4 HO AA AC AE AG
2004 Polaris Sportsman 500 4X4 HO AO AW
2004 Polaris Sportsman 600 4X4
2004 Polaris Trail Boss 330 2X4
2005 Kawasaki KDX220
2005 Polaris Sportsman 500 HO 4X4
2005 Polaris Sportsman 600 4X4
2005 Polaris Trail Boss 330 2X4
2006 Polaris Outlaw 500
2006 Polaris Sportsman 450
2006 Polaris Sportsman 500 EFI
2006 Polaris Sportsman 500 X2
2006 Polaris Trail Boss 330 2X4
2007 Polaris Hawkeye 300 2X4
2007 Polaris Outlaw 500
2007 Polaris Predator 500
2007 Polaris Sportsman 450
2007 Polaris Sportsman 500 EFI
2007 Polaris Sportsman 500 HO 4X4
2007 Polaris Sportsman 500 X2
2007 Polaris Trail Boss 330 2X4
2007 Suzuki DR650SE
2007 Suzuki DRZ250
2008 Polaris Hawkeye 300 2X4
2008 Polaris Outlaw 450
2008 Polaris Outlaw 525 S
2008 Polaris Scrambler 500 2X4
2008 Polaris Sportsman 400 HO 4X4 Built After 9/16
2008 Polaris Sportsman 400 HO 4X4 Built Before 9/16
2008 Polaris Sportsman 500 EFI
2008 Polaris Sportsman 500 Touring EFI
2008 Polaris Sportsman 500 X2
2008 Polaris Sportsman 700 X2 Twin EFI
2008 Polaris Sportsman 800 EFI Built 1/31/08 and Before
2008 Polaris Sportsman 800 Touring EFI
2008 Polaris Trail Blazer 330 2X4
2008 Polaris Trail Boss 330 2X4
2008 Suzuki DR650SE
2009 Polaris Hawkeye 300 2X4
2009 Polaris Outlaw 450
2009 Polaris Outlaw 525 S
2009 Polaris RZR 800
2009 Polaris RZR S 800
2009 Polaris Sportsman 500 EFI
2009 Polaris Sportsman 500 HO 4X4
2009 Polaris Sportsman 500 Touring EFI
2009 Polaris Sportsman 500 X2
2009 Polaris Sportsman 800 Touring EFI
2009 Polaris Sportsman 850 XP
2009 Polaris Trail Blazer 330 2X4
2009 Polaris Trail Boss 330 2X4
2009 Suzuki DR650SE
2010 Polaris Hawkeye 300 2X4
2010 Polaris Outlaw 450
2010 Polaris Outlaw 525 S
2010 Polaris RZR 800 Built 12/31/09 and Before
2010 Polaris Sportsman 500 HO 4X4
2010 Polaris Sportsman 500 Touring EFI
2010 Polaris Sportsman 550 XP 2X4 EPS
2010 Polaris Sportsman 550 XP 4X4 EPS
2010 Polaris Sportsman 850 XP EPS
2010 Polaris Trail Boss 330 2X4
2010 Suzuki DR650SE
2011 Polaris Hawkeye 300 2X4
2011 Polaris Sportsman 500 Forest Tractor
2011 Polaris Sportsman 500 HO 4X4
2011 Polaris Sportsman 500 Touring EFI
2011 Polaris Sportsman 550
2011 Polaris Sportsman 550 Touring EPS
2011 Polaris Sportsman 550 XP 2X4 EPS
2011 Polaris Sportsman 550 XP 4X4 EPS
2011 Polaris Sportsman 850 Touring EPS
2011 Polaris Sportsman 850 X2
2011 Polaris Sportsman 850 XP
2011 Polaris Sportsman 850 XP EPS
2011 Polaris Trail Blazer 330 2X4
2012 Polaris Hawkeye 400 HO 2X4
2012 Polaris RZR 570 EFI
2012 Polaris Scrambler 500 4X4
2012 Polaris Sportsman 500 Forest Tractor
2012 Polaris Sportsman 500 Touring EFI
2012 Polaris Sportsman 550
2012 Polaris Sportsman 550 Touring EPS
2012 Polaris Sportsman 550 XP 2X4 EPS
2012 Polaris Sportsman 550 XP 4X4 EPS
2012 Polaris Sportsman 800 EFI
2012 Polaris Sportsman 800 Forest EFI
2012 Polaris Sportsman 850 Touring EPS
2012 Polaris Sportsman 850 XP EPS
2012 Polaris Trail Blazer 330 2X4
2013 Polaris Hawkeye 400 HO 2X4
2013 Polaris RZR 570 EFI
2013 Polaris Scrambler 850 HO EPS
2013 Polaris Sportsman 550
2013 Polaris Sportsman 550 Touring EPS
2013 Polaris Sportsman 550 XP 2X4 EPS
2013 Polaris Sportsman 550 XP 4X4 EPS
2013 Polaris Sportsman 800 EFI
2013 Polaris Sportsman 800 Forest EFI
2013 Polaris Sportsman 850 Touring EPS HO
2013 Polaris Sportsman 850 XP
2013 Polaris Trail Blazer 330 2X4
2013 Polaris Trail Boss 330 2X4
- Precision machined from high-grade 304 Stainless Steel.
- Stainless steel reduces thermal conductivity by up to 93% compared to aluminium.
- Plastic composite pistons are prone to damage and become brittle with age.
- OEM chrome-plated steel and aluminium pistons are prone to corrosion.
- Eliminates failure prone ceramic inserts found on some KTM models.
- Each kit contains piston or pistons to rebuild one caliper.
1990 Polaris Big Boss 250 4X6
1990 Polaris Trail Boss 350L 2X4
1990 Suzuki DR350SE
1991 Polaris Big Boss 250 6X6
1991 Polaris Trail Boss 350L 2X4
1991 Suzuki DR350SE
1992 Polaris Big Boss 250 4X6
1992 Polaris Trail Boss 350L 2X4
1992 Suzuki DR350SE
1993 Polaris 350L 2x4
1993 Polaris 350L 4x4
1993 Polaris Big Boss 250 6X6
1993 Polaris Sportsman 350 4X4
1993 Suzuki DR350SE
1993 Suzuki RM250
1993 Suzuki RMX250
1994 Polaris 300 2x4
1994 Polaris 300 4X4
1994 Polaris 400L 2x4
1994 Polaris 400L 4x4
1994 Polaris Big Boss 300 6X6
1994 Polaris Big Boss 400L 6X6
1994 Polaris Sport 400
1994 Polaris Sportsman 400 4X4
1994 Suzuki DR350SE
1994 Suzuki RM250
1994 Suzuki RMX250
1995 Polaris 300 2x4
1995 Polaris 400L 2x4
1995 Polaris Big Boss 400L 6X6
1995 Polaris Magnum 425 2x4
1995 Polaris Scrambler 400 4X4
1995 Polaris Sport 400
1995 Polaris Sportsman 400 4X4
1995 Polaris Trail Boss 250 2X4
1995 Polaris Xplorer 400L 4X4
1995 Suzuki DR350SE
1995 Suzuki RM250
1995 Suzuki RMX250
1996 Polaris Big Boss 400L 6X6
1996 Polaris Sport 400
1996 Polaris Sportsman 400 4X4
1996 Polaris Sportsman 500 4X4
1996 Polaris Xplorer 300 4X4
1996 Polaris Xplorer 400L 4X4
1996 Polaris Xpress 300 2X4
1996 Polaris Xpress 400L 2X4
1996 Suzuki DR350SE
1996 Suzuki RMX250
1997 Polaris Big Boss 400L 6X6
1997 Polaris Scrambler 500 4X4
1997 Polaris Sport 400
1997 Polaris Sportsman 400 4X4
1997 Polaris Sportsman 500 4X4
1997 Polaris Xplorer 300 4X4
1997 Polaris Xplorer 400L 4X4
1997 Polaris Xplorer 500
1997 Polaris Xpress 300 2X4
1997 Polaris Xpress 400L 2X4
1997 Suzuki DR350SE
1997 Suzuki RMX250
1998 Polaris Scrambler 500 4X4
1998 Polaris Sport 400
1998 Polaris Sportsman 500 4X4
1998 Polaris Xplorer 300 4X4
1998 Polaris Xplorer 400L 4X4
1998 Polaris Xpress 300 2X4
1998 Suzuki RMX250
1999 Polaris Big Boss 500 6X6
1999 Polaris Sport 400
1999 Polaris Sportsman 500 4X4 (after 9/98)
1999 Polaris Sportsman 500 4X4 (before 9/98)
1999 Polaris Sportsman 500 4X4 RSE (after 9/98)
1999 Polaris Sportsman 500 4X4 RSE (before 9/98)
1999 Polaris Worker 500 4X4 (after 9/98)
1999 Polaris Worker 500 4X4 (before 9/98)
1999 Polaris Xplorer 300 4X4
1999 Polaris Xplorer 400L 4X4
1999 Polaris Xpress 300 2X4
1999 Suzuki RMX250
2000 Polaris Sportsman 500 4X4 RSE
2000 Polaris Trail Boss 325 2X4
2000 Polaris Worker 500 4X4
2000 Polaris Xplorer 250 4X4
2000 Polaris Xplorer 400L 4X4
2001 Polaris 455 Diesel 4X4
2001 Polaris Sportsman 400 4X4 Before 12-7-00
2001 Polaris Sportsman 500 4X4 Duse
2001 Polaris Sportsman 500 4X4 RSE
2001 Polaris Sportsman 500 HO 4X4
2001 Polaris Trail Boss 325 2X4
2001 Polaris Worker 500 4X4
2001 Polaris Xplorer 250 4X4
2001 Polaris Xplorer 400L 4X4
2002 Polaris Magnum 325 4X4
2002 Polaris Magnum 325 4X4 HDS
2002 Polaris Sportsman 500 4X4 Duse
2002 Polaris Sportsman 500 4X4 RSE
2002 Polaris Sportsman 500 HO 4X4
2002 Polaris Trail Boss 325 2X4
2002 Polaris Worker 500 4X4
2002 Polaris Xplorer 250 4X4
2002 Polaris Xplorer 400L 4X4
2003 Polaris Sportsman 500 HO 4X4
2003 Polaris Sportsman 600 4X4
2003 Polaris Trail Boss 330 2X4
2004 Polaris Sportsman 400 4X4 AA AE AG
2004 Polaris Sportsman 400 4X4 AQ-AV
2004 Polaris Sportsman 500 4X4 HO AA AC AE AG
2004 Polaris Sportsman 500 4X4 HO AO AW
2004 Polaris Sportsman 600 4X4
2004 Polaris Trail Boss 330 2X4
2005 Kawasaki KDX220
2005 Polaris Sportsman 500 HO 4X4
2005 Polaris Sportsman 600 4X4
2005 Polaris Trail Boss 330 2X4
2006 Polaris Outlaw 500
2006 Polaris Sportsman 450
2006 Polaris Sportsman 500 EFI
2006 Polaris Sportsman 500 X2
2006 Polaris Trail Boss 330 2X4
2007 Polaris Hawkeye 300 2X4
2007 Polaris Outlaw 500
2007 Polaris Predator 500
2007 Polaris Sportsman 450
2007 Polaris Sportsman 500 EFI
2007 Polaris Sportsman 500 HO 4X4
2007 Polaris Sportsman 500 X2
2007 Polaris Trail Boss 330 2X4
2007 Suzuki DR650SE
2007 Suzuki DRZ250
2008 Polaris Hawkeye 300 2X4
2008 Polaris Outlaw 450
2008 Polaris Outlaw 525 S
2008 Polaris Scrambler 500 2X4
2008 Polaris Sportsman 400 HO 4X4 Built After 9/16
2008 Polaris Sportsman 400 HO 4X4 Built Before 9/16
2008 Polaris Sportsman 500 EFI
2008 Polaris Sportsman 500 Touring EFI
2008 Polaris Sportsman 500 X2
2008 Polaris Sportsman 700 X2 Twin EFI
2008 Polaris Sportsman 800 EFI Built 1/31/08 and Before
2008 Polaris Sportsman 800 Touring EFI
2008 Polaris Trail Blazer 330 2X4
2008 Polaris Trail Boss 330 2X4
2008 Suzuki DR650SE
2009 Polaris Hawkeye 300 2X4
2009 Polaris Outlaw 450
2009 Polaris Outlaw 525 S
2009 Polaris RZR 800
2009 Polaris RZR S 800
2009 Polaris Sportsman 500 EFI
2009 Polaris Sportsman 500 HO 4X4
2009 Polaris Sportsman 500 Touring EFI
2009 Polaris Sportsman 500 X2
2009 Polaris Sportsman 800 Touring EFI
2009 Polaris Sportsman 850 XP
2009 Polaris Trail Blazer 330 2X4
2009 Polaris Trail Boss 330 2X4
2009 Suzuki DR650SE
2010 Polaris Hawkeye 300 2X4
2010 Polaris Outlaw 450
2010 Polaris Outlaw 525 S
2010 Polaris RZR 800 Built 12/31/09 and Before
2010 Polaris Sportsman 500 HO 4X4
2010 Polaris Sportsman 500 Touring EFI
2010 Polaris Sportsman 550 XP 2X4 EPS
2010 Polaris Sportsman 550 XP 4X4 EPS
2010 Polaris Sportsman 850 XP EPS
2010 Polaris Trail Boss 330 2X4
2010 Suzuki DR650SE
2011 Polaris Hawkeye 300 2X4
2011 Polaris Sportsman 500 Forest Tractor
2011 Polaris Sportsman 500 HO 4X4
2011 Polaris Sportsman 500 Touring EFI
2011 Polaris Sportsman 550
2011 Polaris Sportsman 550 Touring EPS
2011 Polaris Sportsman 550 XP 2X4 EPS
2011 Polaris Sportsman 550 XP 4X4 EPS
2011 Polaris Sportsman 850 Touring EPS
2011 Polaris Sportsman 850 X2
2011 Polaris Sportsman 850 XP
2011 Polaris Sportsman 850 XP EPS
2011 Polaris Trail Blazer 330 2X4
2012 Polaris Hawkeye 400 HO 2X4
2012 Polaris RZR 570 EFI
2012 Polaris Scrambler 500 4X4
2012 Polaris Sportsman 500 Forest Tractor
2012 Polaris Sportsman 500 Touring EFI
2012 Polaris Sportsman 550
2012 Polaris Sportsman 550 Touring EPS
2012 Polaris Sportsman 550 XP 2X4 EPS
2012 Polaris Sportsman 550 XP 4X4 EPS
2012 Polaris Sportsman 800 EFI
2012 Polaris Sportsman 800 Forest EFI
2012 Polaris Sportsman 850 Touring EPS
2012 Polaris Sportsman 850 XP EPS
2012 Polaris Trail Blazer 330 2X4
2013 Polaris Hawkeye 400 HO 2X4
2013 Polaris RZR 570 EFI
2013 Polaris Scrambler 850 HO EPS
2013 Polaris Sportsman 550
2013 Polaris Sportsman 550 Touring EPS
2013 Polaris Sportsman 550 XP 2X4 EPS
2013 Polaris Sportsman 550 XP 4X4 EPS
2013 Polaris Sportsman 800 EFI
2013 Polaris Sportsman 800 Forest EFI
2013 Polaris Sportsman 850 Touring EPS HO
2013 Polaris Sportsman 850 XP
2013 Polaris Trail Blazer 330 2X4
2013 Polaris Trail Boss 330 2X4