Forged Piston Set – Mitsubishi 4B12 10.5 : 1 CR

$1,265.00 Incl GST

CP Forged Piston Set – Mitsubishi 4B12 DOHC 16v Mivec


Sport Compact Shelf Pistons

These pistons was designed through extensive research and development with the cooperation of some of the biggest names in motor sports. These pistons are already designed for oversized valves and high lift camshafts. All of our pistons represent the highest quality and are engineered for maximum power. Pistons come with wrist pins, pin fitted, and locks.

These Pistons are Custom Manufactured to suit the :-

  • Mitsubishi 4B12 Engines
  • Available in a choice of Compression Ratio’s between 9.0 : 1 – 10.5 : 1
  • Turbo engines are typically 9.0 – 9.5 : 1, naturally aspirated engines are typically 10.0 or 10.5 : 1
  • Factory Bore size is 88mm
  • Bore Sizes available between Standard to 1.00mm Oversize
  • Being custom Manufactured, delivery time is usually 4 – 6 weeks from time of ordering.

Designed with the following benefits :-

  • High Strength Aluminium Forgings
  • Super Light Weight Design
  • Fully CNC Machined and balanced to a +/- 1 Gram
  • Wrist Pins, Spiral lock rings, Piston Rings included in price.
  • Accumulator Groove included
  • CP Piston Rings supplied in kit
  • Double pin oilers, force fed from oil control ring
  • Pick Lock grooves for easy removal

Additional information

Weight6 kg
Piston Size

Standard Diameter, 0.50mm / 0.020" Oversize, 0.75mm / 0.030" Oversize, 1.00mm / 0.040" Oversize

Compression Ratio

9.0 : 1 CR, 9.5 : 1 CR, 10.0 : 1 CR, 10.5 : 1 CR


CP Carillo

CP has built a reputation of high end quality pistons, build to perform and out last; especially in powersport and sport compact. We are recognized as a technological leader in piston design and development for all venues for motorsports. We focus on providing industry-leading products and performance while maintaining the highest level of customer service. Proudly made in USA.


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