JE Pistons Chevrolet LS Gen III/IV Piston – 4.000 in. Bore – 1.304 in. CH, -5.00 CC Set of 1 311961L

JE Pistons Chevrolet LS Gen III/IV Piston – 4.000 in. Bore – 1.304 in. CH, -5.00 CC (Part #311961L)

Get ready to take your Chevrolet LS Gen III/IV engine to the next level with the JE Pistons Chevrolet LS Gen III/IV Piston. Crafted with precision and backed by over 75 years of expertise in forged racing pistons, JE Pistons is a name you can trust for high-performance applications.

Why Choose JE Pistons?

Engineered, forged, and machined entirely in the USA, these pistons are specifically designed for your engine type, ensuring optimal performance and durability. Whether you’re hitting the dirt track or tearing up the drag strip, JE Pistons have consistently proven their worth in victory lane.

Features That Make a Difference

< li >Premium Material: Made from 2618 aluminum, these pistons offer the high tensile strength necessary for demanding performance.

< li >Custom Fit: Each piston is tailored for specific engine applications, providing unmatched performance and durability.

< li >Innovative Design: The Proprietary Forged Side Relief (FSR) 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, while also lowering operating noise.

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

< li >100% American Made: Quality you can rely on, made right here in the USA.

Specifications You Can Count On

< 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: 1.304 inches

< li >Piston Volume: -5.00 CC

< li >Piston Material: 2618 Aluminum

< li >Piston Quantity: Sold as a set of 1

< li >Forging Type: FSR

< li >Piston Orientation: Left

< li >Average Weight: 403 GR

< 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

Customer Reviews

Customers have praised the JE Pistons 311961L for its exceptional quality and performance. Many have noted improvements in engine responsiveness and overall power delivery. With a solid reputation in the racing community, these pistons are a favorite among enthusiasts looking to push their vehicles to the limit.

Upgrade your Chevrolet LS Gen III/IV engine with the JE Pistons 311961L and experience the difference in performance that comes from using a product designed for champions.

WARNING: Cancer and Reproductive Harm