CP Pistons High performance and racing Suzuki LTZ400 piston kits are manufactured by CP Pistons for all model years of the LTZ400 four stroke ATV quads. CP Suzuki LTZ 400 piston kits and the Suzuki Quadsport Z400 piston kits are both the same and the forged piston kits listed on this page will work in both model quads. Available here you will find standard bore LTZ400 pistons and big bore LTZ400 piston kits.
These high performance forged pistons will work with oversize valves as well as high lift camshafts as they include oversize valve reliefs. They incorporate a "X" style forging for greater strength, durability and reduced weight. Along with the full radius dome designs, high performance piston rings and lightweight piston pins, these pistons offer the highest quality and are engineered for maximum power output. If you are looking for a premium forged LTZ 400 or Quadsport Z400 piston to give you maximum performance, durability and holeshot winning power, then CP Pistons are the right choice for your quad.
Standard Features included with each Suzuki CP Pistons LTZ 400 Piston Kit / Quadsport Z 400 Piston Kit:Standard series pistons have an "M or K" in the part number |
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Double forced pin oilers | Fully CNC Machined |
Accumulator groove | Pick lock removal grooves |
Anti detonation grooves | X-style forging |
Light weight pins | Balanced to + or - 1 gram |
CP Pistons 2000 - 2013 Suzuki LTZ400 Piston Kits and QuadSport Z400 Piston KitsThe parts listed here fit the 2000 - 2013 LTZ 400 and Quad Sport Z400
Stock Bore size is 90mm (3.543") Stock Stroke is 62.4mm (2.464") Installation Notes: Standard bore pistons require deglaze cylinder before installing piston and rings. Big bore pistons require the cylinder be bored oversize and replated. |
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Bore Size | Disp | Comp |
Piston/Gasket Kit |
Piston Kit |
Gasket Kit |
Piston Rings |
Connecting Rod |
90mm std | 398cc | 12.5 | cpk4128 | cp m4028 | c7978 |
cpn2-3543 |
SU-DR4>-04203N
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94mm +4mm big bore | 434cc | 12.5 | cpk3103 | cp m3003 | c7979 | cpn2-3701 | |
95mm +5mm big bore | 450cc | 12.5 | cpk3104 | cp m3004 | c7980 | cpn2-3740 |
High Performance Carrillo LTZ 400 Quadsport Connecting Rod |
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Premium Carrillo Suzuki LTZ 400 Quadsport connecting rod provides superior strength for extreme high performance and racing Quadsport Z400 engines. Designed with legendary Carrillo quality to give you an extremely strong and dependable replacement connecting rod at a reasonable price. Can be used as a stock replacement connecting rod as well as for high performance and racing engines, including big bore Quadsport Z400 engines. |
2000 - 2013 LTZ400 Connecting Rod SU-DR4>-04203N
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The pistons and gaskets listed on this page fit the following model year LTZ400 Quads:
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Suzuki LTZ 400 - QuadSport Z400