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Wiseco Pistons K0378X2 Gen V L83 5.3L Professional Series Piston Kit 3.800 Bore 9.5:1 CR

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

K0378X2
6 reviews
Sale Price

$1,166.99

Estimated ship date Friday, November 20

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Product Details

The Wiseco K0378X2 is a professional-grade piston kit engineered specifically for Gen V Direct Injected L83 5.3L engines with a 3.800-inch bore diameter and 9.5:1 compression ratio. Engineered, forged, and machined in the U.S. at Wiseco's Mentor, Ohio manufacturing facility, this complete 8-piston kit delivers exceptional performance for street and performance applications.

Key Specifications:

  • Bore: 3.800 inches
  • Compression Height: 1.319 inches
  • Stroke: 3.622 inches
  • Rod Length: 6.098 inches
  • Volume: -8.5cc dish
  • Compression Ratio: 9.5:1 at 58cc chamber
  • Pin: S785 (0.945 x 2.250 inches)

Premium Features:

  • ArmorGlide® skirt coating for reduced friction and enhanced durability
  • 2618 high-strength aluminum alloy construction for superior heat resistance
  • 0.200-inch wall chromium alloy steel pins with Spirolox® retainers
  • Premium 1.5mm, 1.5mm, 3.0mm GNX piston rings included
  • Anti-detonation and pressure seal grooves for reliable performance
  • Valve pocket design optimized for Gen V L83 engines

Each kit includes eight forged pistons, piston rings, wrist pins, and circlips—everything needed for a complete engine build or rebuild. Designed for enthusiasts and professional builders who demand precision-engineered components that can withstand high-performance driving conditions.

Great so far. Easy to use website. I will keep track of my experience until I receive my items.

I would have liked to have known how long shipping time was. It's important i get it within a couple of days and I would have wanted the option for express shipping.

Great so far

Great experience fast and user friendly

Autoplicity has a great selection of parts, great companies and great prices. Shipping was very fast and payment very easy. Will be shopping here in the future.

Purchased a CTEK 7002 battery tender because of how great they work for keeping all the toys charged up over the cold months. Autoplicity had, by far the best price on this product. Couldn't ask for more.

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