CP Pistons N55/S55 Forged Piston Set 84mm Bore -9.7cc — Fits BMW 6-Cyl Engines

SKU: CPPSC7700-6
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Ultimate Strength for BMW N55 and S55 EnginesWhen pushing the ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Ultimate Strength for BMW N55 and S55 Engines

When pushing the limits of the BMW N55 and S55 turbocharged platforms, stock internals are often the first point of failure. This CP Pistons forged piston set is engineered to handle massive horsepower and torque, providing the structural integrity required for high-boost builds. With an 84mm bore and a -9.7cc dish, these pistons are precision-machined to optimize combustion chamber dynamics for peak performance.

Technical Highlights

  • Engine Fitment: BMW N55B30 / S55B30
  • Bore Size: 84mm (Standard)
  • Piston Dish: -9.7cc
  • Quantity: Set of 6
  • Construction: High-strength forged aluminum

These pistons are designed with advanced CNC machining to ensure perfect weight matching across all six cylinders, which is critical for smooth operation at high RPMs. The forged alloy construction provides superior thermal resistance, preventing the common issues of ring land cracking and piston crown deformation found in high-output BMW engines. By upgrading to this CP Pistons set, you ensure that your engine can reliably sustain the power levels required for track performance or high-end street tuning. The set includes high-performance rings that provide an excellent seal, ensuring maximum power delivery and minimal oil consumption. Trust your BMW build to the high-performance experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Ultimate Strength for BMW N55 and S55 Engines

When pushing the limits of the BMW N55 and S55 turbocharged platforms, stock internals are often the first point of failure. This CP Pistons forged piston set is engineered to handle massive horsepower and torque, providing the structural integrity required for high-boost builds. With an 84mm bore and a -9.7cc dish, these pistons are precision-machined to optimize combustion chamber dynamics for peak performance.

Technical Highlights

  • Engine Fitment: BMW N55B30 / S55B30
  • Bore Size: 84mm (Standard)
  • Piston Dish: -9.7cc
  • Quantity: Set of 6
  • Construction: High-strength forged aluminum

These pistons are designed with advanced CNC machining to ensure perfect weight matching across all six cylinders, which is critical for smooth operation at high RPMs. The forged alloy construction provides superior thermal resistance, preventing the common issues of ring land cracking and piston crown deformation found in high-output BMW engines. By upgrading to this CP Pistons set, you ensure that your engine can reliably sustain the power levels required for track performance or high-end street tuning. The set includes high-performance rings that provide an excellent seal, ensuring maximum power delivery and minimal oil consumption. Trust your BMW build to the high-performance experts at GGCRACING.

Product Details

Product Description

Ultimate Strength for BMW N55 and S55 Engines

When pushing the limits of the BMW N55 and S55 turbocharged platforms, stock internals are often the first point of failure. This CP Pistons forged piston set is engineered to handle massive horsepower and torque, providing the structural integrity required for high-boost builds. With an 84mm bore and a -9.7cc dish, these pistons are precision-machined to optimize combustion chamber dynamics for peak performance.

Technical Highlights

  • Engine Fitment: BMW N55B30 / S55B30
  • Bore Size: 84mm (Standard)
  • Piston Dish: -9.7cc
  • Quantity: Set of 6
  • Construction: High-strength forged aluminum

These pistons are designed with advanced CNC machining to ensure perfect weight matching across all six cylinders, which is critical for smooth operation at high RPMs. The forged alloy construction provides superior thermal resistance, preventing the common issues of ring land cracking and piston crown deformation found in high-output BMW engines. By upgrading to this CP Pistons set, you ensure that your engine can reliably sustain the power levels required for track performance or high-end street tuning. The set includes high-performance rings that provide an excellent seal, ensuring maximum power delivery and minimal oil consumption. Trust your BMW build to the high-performance experts at GGCRACING.

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