JE Pistons Chevrolet LS Gen III/IV Piston – 4.000 in. Bore – 1.065 in. CH, -5.00 CC Set of 1 311990R

JE Pistons Chevrolet LS Gen III/IV Piston – 311990R

When it comes to performance and durability in the world of racing, JE Pistons stands out with over 75 years of expertise. The JE Pistons Chevrolet LS Gen III/IV Piston, part number 311990R, is a top-notch choice for enthusiasts looking to boost their engine’s capabilities. Crafted entirely in the USA, these forged pistons are specifically designed for your LS engine, ensuring optimal performance whether you’re hitting the dirt track or the drag strip.

Key Features

< li >High-Strength Material: Made from 2618 aluminum, these pistons deliver the high tensile strength required for demanding applications.

< li >Engine-Specific Design: Each piston is tailored for specific engine configurations, maximizing performance and durability.

< li >Proprietary Forged Side Relief (FSR): This innovative design minimizes friction and power loss, thanks to a reduced skirt width and a shorter wrist pin.

< li >Skirt Coating: Depending on the application, the skirt coating reduces friction and wear, leading to quieter operation.

< li >Accumulator Groove: This feature helps manage combustion gas pressure, improving ring seal and reducing flutter for consistent power delivery.

< li >100% Made in the USA: You can trust the quality and craftsmanship that comes with American manufacturing.

Specifications

< li >Piston Series: JE Pistons

< li >Cylinder Head Compatibility: LS 12 DEG/15 DEG COMBO VR

< li >Bore Diameter: 4.000 inches

< li >Piston Head Type: Flat

< li >Compression Height: 1.065 inches

< li >Piston Volume: -5.00 CC

< li >Piston Material: 2618 aluminum

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Right

< li >Piston Average Weight: 348 grams

< li >Ring Set Included: No

< li >Top Compression Ring Thickness: 0.0480 inches

< li >Second Compression Ring Thickness: 0.0600 inches

< li >Wrist Pin Material: 5115 Low Carbon Steel, Case Hardened

< li >Wrist Pin Outer Diameter: 0.927 inches

< li >Wrist Pin Length: 2.250 inches

< li >Wrist Pin Wall Thickness: 0.150 inches

< li >Sold As: Set of 1

Fitment Information

The 311990R piston is designed specifically for Chevrolet LS Gen III and IV engines, making it an excellent upgrade for those looking to enhance their vehicle’s performance. Whether you’re building a street machine or a dedicated race car, this piston is engineered to meet the rigorous demands of high-performance applications.

Customer Feedback

Customers rave about the reliability and performance of JE Pistons. Many have shared their success stories, noting significant improvements in their vehicle’s responsiveness and power output. The quality craftsmanship and attention to detail are frequently highlighted, making these pistons a favorite among racing enthusiasts.

If you’re serious about performance, the JE Pistons Chevrolet LS Gen III/IV Piston – 311990R is a smart investment for your engine. Experience the difference that precision engineering and high-quality materials can make!

WARNING: Cancer and Reproductive Harm