Mahle MS Forged Piston Set GM LT1 377ci 4.07in Bore -4cc 11.6 CR — Fits LT1/L86/LT4

SKU: MHL930228770
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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

About Mahle

Mahle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle lineup with fast shipping and expert fitment support — order with confidence.

Mahle MS Forged Piston Set for GM LT1/L86/LT4 Engines

Enhance the power and durability of your GM LT1, L86, or LT4 engine with this high-performance Mahle MS forged piston set. Engineered for 377 cubic inch applications, these pistons are designed to meet the demands of high-output street and track performance.

Precision Engineered for Power:

  • Application: GM LT1 / L86 / LT4 (6.2L)
  • CID: 377ci
  • Bore: 4.070 inches
  • Stroke: 3.622 inches
  • Rod Length: 6.125 inches
  • Pin Diameter: 0.927 inches
  • Dish Volume: -4cc (Flat Top compatible with GM LT1/L86/LT4 heads)
  • Compression Ratio: 11.6:1
  • Material: 2618 Forged Aluminum
  • Weight: 483g
  • Set Includes: 8 pistons

Crafted from robust 2618 forged aluminum, these Mahle pistons provide exceptional strength and resilience against extreme combustion pressures and temperatures. The precisely machined -4.5cc dish volume, combined with the specified bore and stroke, achieves an optimal 11.6:1 compression ratio, ideal for maximizing performance in naturally aspirated or boosted configurations. The included 0.927-inch pins and 6.125-inch rods ensure accurate fitment and contribute to the engine's overall efficiency and reliability.

Choose Mahle for proven performance and uncompromising quality in your GM LT engine build. These pistons are a vital component for achieving superior power and longevity. Find this exceptional piston set and other performance upgrades at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mahle

Mahle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle lineup with fast shipping and expert fitment support — order with confidence.

Mahle MS Forged Piston Set for GM LT1/L86/LT4 Engines

Enhance the power and durability of your GM LT1, L86, or LT4 engine with this high-performance Mahle MS forged piston set. Engineered for 377 cubic inch applications, these pistons are designed to meet the demands of high-output street and track performance.

Precision Engineered for Power:

  • Application: GM LT1 / L86 / LT4 (6.2L)
  • CID: 377ci
  • Bore: 4.070 inches
  • Stroke: 3.622 inches
  • Rod Length: 6.125 inches
  • Pin Diameter: 0.927 inches
  • Dish Volume: -4cc (Flat Top compatible with GM LT1/L86/LT4 heads)
  • Compression Ratio: 11.6:1
  • Material: 2618 Forged Aluminum
  • Weight: 483g
  • Set Includes: 8 pistons

Crafted from robust 2618 forged aluminum, these Mahle pistons provide exceptional strength and resilience against extreme combustion pressures and temperatures. The precisely machined -4.5cc dish volume, combined with the specified bore and stroke, achieves an optimal 11.6:1 compression ratio, ideal for maximizing performance in naturally aspirated or boosted configurations. The included 0.927-inch pins and 6.125-inch rods ensure accurate fitment and contribute to the engine's overall efficiency and reliability.

Choose Mahle for proven performance and uncompromising quality in your GM LT engine build. These pistons are a vital component for achieving superior power and longevity. Find this exceptional piston set and other performance upgrades at GGCRACING.

Product Details

Product Description

About Mahle

Mahle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle lineup with fast shipping and expert fitment support — order with confidence.

Mahle MS Forged Piston Set for GM LT1/L86/LT4 Engines

Enhance the power and durability of your GM LT1, L86, or LT4 engine with this high-performance Mahle MS forged piston set. Engineered for 377 cubic inch applications, these pistons are designed to meet the demands of high-output street and track performance.

Precision Engineered for Power:

  • Application: GM LT1 / L86 / LT4 (6.2L)
  • CID: 377ci
  • Bore: 4.070 inches
  • Stroke: 3.622 inches
  • Rod Length: 6.125 inches
  • Pin Diameter: 0.927 inches
  • Dish Volume: -4cc (Flat Top compatible with GM LT1/L86/LT4 heads)
  • Compression Ratio: 11.6:1
  • Material: 2618 Forged Aluminum
  • Weight: 483g
  • Set Includes: 8 pistons

Crafted from robust 2618 forged aluminum, these Mahle pistons provide exceptional strength and resilience against extreme combustion pressures and temperatures. The precisely machined -4.5cc dish volume, combined with the specified bore and stroke, achieves an optimal 11.6:1 compression ratio, ideal for maximizing performance in naturally aspirated or boosted configurations. The included 0.927-inch pins and 6.125-inch rods ensure accurate fitment and contribute to the engine's overall efficiency and reliability.

Choose Mahle for proven performance and uncompromising quality in your GM LT engine build. These pistons are a vital component for achieving superior power and longevity. Find this exceptional piston set and other performance upgrades at GGCRACING.

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