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JE PISTONS

JE Pistons Piston Kit - 4.020 Inch Bore, 4.500 Inch Stroke, 11.5:1 Compression Ratio, M8, Part Number 398732

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SKU: 09106995
Piston Kit - 4.020" Bore - 4.500" Stroke - 11.5:1 CR - 114" M8 Upgrade your engine with the JE Pistons Piston Kit, designed for high-performance applications wi…

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UPC: 193564567413
$499.95
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JE Pistons Piston Kit - 4.020 Inch Bore, 4.500 Inch Stroke, 11.5:1 Compression Ratio, M8, Part Number 398732

$499.95
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JE Pistons Piston Kit - 4.020 Inch Bore, 4.500 Inch Stroke, 11.5:1 Compression Ratio, M8, Part Number 398732

$499.95
Piston Kit - 4.020" Bore - 4.500" Stroke - 11.5:1 CR - 114" M8

Upgrade your engine with the JE Pistons Piston Kit, designed for high-performance applications with a 4.020-inch bore and a 4.500-inch stroke. Crafted from 2618-T6 forged aluminum, these pistons offer superior strength and durability, ensuring your engine can handle demanding conditions without compromise. The forged construction provides aligned grain flow, which enhances tensile strength and promotes longevity in both street and racing environments. Additionally, the piston kit includes premium ring packs, wrist pins, and wire locks, offering a comprehensive solution for your engine rebuild or upgrade.
The pistons feature an innovative skirt coating that reduces operating friction and minimizes wear, thereby improving efficiency and extending component life. Offset pins are incorporated to reduce piston rock and operating noise, contributing to smoother engine operation. The design includes skirt notches for optimal clearance at bottom dead center, preventing piston slap and ensuring reliable performance. An accumulator groove beneath the top ring helps tap combustion gases, promoting a more consistent and positive ring seal, which enhances compression and overall engine performance.
Made in the USA, this piston kit is engineered for precision and durability, making it suitable for high-performance builds or restoring stock engines with increased power. Whether you're upgrading for racing or improving daily driver reliability, these JE Pistons provide a balance of strength, efficiency, and quality.

Features:

  • Forged 2618-T6 aluminum construction for durability and strength
  • Skirt coating reduces friction and wear for longer engine life
  • Offset pins minimize piston rock and operating noise
  • Skirt notches allow optimal clearance at bottom dead center
  • Accumulator groove promotes better ring seal and consistent compression
  • Includes two pistons, premium ring packs, wrist pins, and wire locks
  • Designed for high-performance engines with 4.020" bore and 4.500" stroke
  • Made in the USA for quality assurance

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