JE Pistons Chevrolet LS Gen III/IV Piston – 4.030 in. Bore – 1.115 in. CH, -5.00 CC Set of 1 311979R

JE Pistons Chevrolet LS Gen III/IV Piston – 311979R

If you’re looking to boost your Chevrolet LS Gen III/IV engine’s performance, the JE Pistons Chevrolet LS Gen III/IV Piston – 4.030 in. Bore – 1.115 in. CH, -5.00 CC (Part Number: 311979R) is an excellent choice. Crafted with over 75 years of expertise, JE Pistons is a leader in the world of forged racing pistons. Each piston is engineered, forged, and machined right here in the USA, ensuring top-notch quality and durability.

Why Choose JE Pistons?

When it comes to performance, JE Pistons has proven its mettle on tracks from dirt circuits to drag strips. Their pistons are designed specifically for each engine application, providing an unbeatable combination of durability and performance. Whether you’re racing or just looking to enhance your engine’s capabilities, these pistons are a solid investment.

Product Features

< li >High-Quality Material: Forged in the USA using 2618 aluminum, these pistons offer the high tensile strength needed for demanding performance applications.

< li >Optimized Design: Each piston is tailored for specific engine applications, ensuring maximum performance and durability.

< li >Proprietary Forged Side Relief (FSR): This innovative design minimizes friction and power loss by reducing skirt width, while also saving weight with a shorter wrist pin.

< li >Skirt Coating: Depending on your application, the skirt coating reduces friction and wear on both the piston skirts and cylinder walls, leading to quieter operation.

< li >Accumulator Groove: This feature helps alleviate pressure from combustion gases, reducing ring fluttering and enhancing ring seal for consistent power delivery.

< li >100% Made in the USA: You can trust that you’re getting a quality product that supports American manufacturing.

Specifications

< li >Piston Series: JE Pistons

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

< li >Bore Diameter: 4.030 inch

< li >Piston Head Type: Flat

< li >Compression Height: 1.115 inch

< li >Piston Volume: -5.00 CC

< li >Piston Material: 2618 Aluminum

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Right

< li >Average Weight: 390 GR

< li >Ring Set Included: No

< li >Top Compression Ring Thickness: 0.0480 inch

< li >Second Compression Ring Thickness: 0.0600 inch

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

< li >Wrist Pin Outer Diameter: 0.927 inch

< li >Wrist Pin Length: 2.250 inch

< li >Wrist Pin Wall Thickness: 0.150 inch

< li >Sold As: Set of 1

Customer Reviews

Customers have praised the 311979R pistons for their exceptional performance and reliability. Many have noted significant improvements in engine response and power, making these pistons a favorite among racing enthusiasts and everyday drivers alike. With a solid reputation built over decades, JE Pistons continues to be a trusted name in the automotive community.

Upgrade your Chevrolet LS Gen III/IV engine today with the JE Pistons 311979R and experience the difference in performance firsthand!

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