JE Pistons Chevrolet LS Gen III/IV Piston – 4.005 in. Bore – 1.065 in. CH, -5.00 CC Set of 1 311991L

JE Pistons Chevrolet LS Gen III/IV Piston – 4.005 in. Bore – 1.065 in. CH, -5.00 CC Set of 1

If you’re looking to enhance your Chevrolet LS engine’s performance, the JE Pistons Chevrolet LS Gen III/IV Piston is an excellent choice. With over 75 years of experience in crafting top-tier forged pistons, JE Pistons has engineered this specific piston to deliver outstanding durability and performance tailored to your engine’s needs.

Why Choose JE Pistons?

JE Pistons is renowned in the racing community for their commitment to quality and performance. Each piston is forged and machined entirely in the USA, ensuring you get a product that meets the highest standards. Whether you’re hitting the dirt track or the drag strip, JE Pistons have proven their mettle time and again, helping racers achieve victory.

Key Features

< li >Premium Material: Made from 2618 aluminum, these pistons provide exceptional tensile strength, perfect for high-performance applications.

< li >Optimized Design: Each piston is specifically designed for your engine and intended use, ensuring optimum performance and durability.

< li >Forged Side Relief (FSR): This unique design minimizes friction and power loss with a reduced skirt width, saving weight with a shorter wrist pin.

< li >Skirt Coating: Depending on the application, the skirt coating reduces friction and wear while lowering operating noise.

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

< li >100% Made in the USA: You can trust that you’re getting a high-quality product crafted right here at home.

Specifications

< li >Piston Series: JE Pistons

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

< li >Bore Diameter: 4.005 inch

< li >Piston Head Type: Flat

< li >Compression Height: 1.065 inch

< li >Piston Volume: -5.00 CC

< li >Piston Material: 2618

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Left

< li >Piston Average Weight: 350 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 rave about the performance of the JE Pistons 311991L, highlighting its reliability and the noticeable improvement in engine response. Many have noted its perfect fit for LS engines, making it a favorite among enthusiasts and professional racers alike. The durability of the 2618 aluminum is frequently praised, with users reporting less wear and tear even under extreme conditions.

Upgrade your engine with the JE Pistons Chevrolet LS Gen III/IV Piston and experience the difference that quality engineering can make!

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