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CP Pistons Suzuki LTZ400 Piston Kits Standard Bore, LTZ400 Big Bore and QuadSport Z400 Piston Kits

Suzuki LTZ400 ATV CP Pistons QuadSport Z400 Logo

CP Pistons, for those that demand the ultimate in engine performance!

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.

CP Carrillo Pistons LTZ400 racing pistons are used by top professional riders and teams.

Suzuki Quadsport Z 400 and LTZ 400 cp pistons big bore piston

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

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

Get HOLESHOT WINNING POWER with CP Quadsport Z400 Pistons!

CP Pistons 2000 - 2013 Suzuki LTZ400 Piston Kits and QuadSport Z400 Piston Kits

The parts listed here fit the 2000 - 2013 LTZ 400 and Quad Sport Z400

  • Piston/Gasket Kit Set includes: 1 Piston, 1 Piston Pin, Piston Rings, Pin Lock rings, 1 Top End Gasket Kit
  • Piston Kit includes: 1 Piston, 1Piston Pin, 1 set Piston Rings, Pin Lock rings for 1 cylinder
  • Connecting Rod includes: 1 Carrillo Connecting Rod More details on rod at bottom of this page
  • Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston in 1 cylinder
  • Piston Rings Includes set of replacement piston rings. These are the same CP rings as included with a new CP piston.

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.

Bore Size Disp Comp

suzuki ltz400 piston and top end gasket kit

Piston/Gasket Kit

suzuki quadsport z400 piston kit

Piston Kit

ltz400 top end gasket kit

Gasket Kit

ltz400 piston rings

Piston Rings

LTZ400 Carrillo Rod

Connecting Rod
90mm std 398cc 12.5 cpk4128 cp m4028





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

CP Carrillo LTZ400 Quadsport Z400 Connecting Rod

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



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


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