My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Wiseco Pistons K0381XS Professional Series Forged Piston Kit Gen V L83 5.3L 3.780" Bore

Manufacturer

Part Number

K0381XS
Sale Price

$1,166.99

Estimated ship date Tuesday, November 24

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco K0381XS Professional Series forged piston kit is engineered specifically for GM Gen V direct-injected L83 5.3L engines. This complete kit delivers race-proven performance and durability for serious engine builders and enthusiasts demanding maximum power and reliability.

Key Specifications:

  • Bore: 3.780 inches
  • Compression Height: 1.292 inches
  • Stroke: 3.622 inches
  • Rod Length: 6.125 inches
  • Compression Ratio: 10.5:1 (at 58cc chamber with .012" deck and .051" gasket)
  • Piston Volume: -0.5cc dish
  • Average Weight: 455 grams per piston
  • Wrist Pin: 0.927" x 2.250" (Part #S718 included)

Professional Series Features:

  • Forged from high-strength 2618 aluminum alloy for superior durability under extreme heat and pressure
  • ArmorGlide skirt coating reduces friction and wear for extended piston life
  • Premium 1.5mm, 1.5mm, 3.0mm GNX ring set included for optimal sealing
  • Heavy-duty 0.200" wall wrist pins with Spirolox retainers
  • Anti-detonation groove and pressure seal grooves for enhanced reliability
  • Valve pockets designed for Gen V L83 direct-injection configuration

Wiseco Professional Series pistons are designed for heavy-duty to severe-duty race applications and can support builds exceeding 1500+ horsepower. Each kit includes forged pistons, premium piston rings, wrist pins, and circlips for a complete installation.

Good online site easy search engine

great

Fast and Simple!

Good

I called to get more info about the part to make sure it fit and was on hold for 30 min and when someone did answer put me on hold for another 7 min came back on couldn't answer my question then put me on hold again waited another 13 min then the music went quiet and the phone hung up!!

Real easy and like the amazon integration

thanks for having such great prices

After weeks of shopping around, I was able to find the best price from Autoplicity. The ordering process was very simple since I had the option to pay through my Amazon account. Great experience.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy