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JE PISTONS

JE Pistons Piston Kit for 4.250 inch Bore and 4.500 inch Stroke with 12.0:1 Compression Ratio - Part Number 398763

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SKU: 09107009
Piston Kit - 4.250" Bore - 4.500" Stroke - 12.0:1 CR - 114" M8 Upgrade your engine with the JE Pistons Piston Kit, designed for high-performance applications wi…

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UPC: 193564567550
$499.95
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JE Pistons Piston Kit for 4.250 inch Bore and 4.500 inch Stroke with 12.0:1 Compression Ratio - Part Number 398763

$499.95
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JE Pistons Piston Kit for 4.250 inch Bore and 4.500 inch Stroke with 12.0:1 Compression Ratio - Part Number 398763

$499.95
Piston Kit - 4.250" Bore - 4.500" Stroke - 12.0:1 CR - 114" M8

Upgrade your engine with the JE Pistons Piston Kit, designed for high-performance applications with a 4.250-inch bore and 4.500-inch stroke. Crafted from durable 2618-T6 forged aluminum, these pistons offer superior grain flow alignment and increased tensile strength to withstand demanding conditions. The forged construction ensures enhanced durability, making them ideal for both street and racing engines. The kit includes two pistons, premium ring packs, wrist pins, and wire locks, providing a complete solution for your rebuild or upgrade.
JE Pistons incorporates several advanced features to optimize engine performance and longevity. The skirt coating reduces operating friction and wear, promoting smoother operation and extending piston life. Offset pins are designed to minimize piston rock and operating noise, contributing to quieter engine performance. Notched skirts allow for optimal clearance at bottom dead center, preventing interference during piston movement. The accumulator groove beneath the top ring captures combustion gases, maintaining a positive seal for consistent compression and power output. Manufactured in the USA, this piston kit ensures high-quality standards and reliable performance.
Whether building a high-performance street engine or a race-ready setup, the JE Pistons Piston Kit provides the strength, precision, and features necessary for optimal engine operation. The combination of forged construction, innovative design, and complete hardware makes it a dependable choice for serious enthusiasts and professional rebuilders alike.

Features:

  • 2618-T6 forged aluminum construction for strength and durability
  • Skirt coating reduces friction and wear during operation
  • Offset pins minimize piston rock and operating noise
  • Notched skirts provide optimal clearance at bottom dead center
  • Accumulator groove enhances combustion seal for consistent performance
  • Includes two pistons, premium ring packs, wrist pins, and wire locks
  • Designed for 4.250 inch bore and 4.500 inch stroke engines
  • Part Number 398763, made in the USA

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