JE Pistons Chevrolet LS Gen III/IV Piston – 4.000 in. Bore – 1.165 in. CH, -5.00 CC Set of 1 323978R

JE Pistons Chevrolet LS Gen III/IV Piston – 323978R

When it comes to performance and durability, the JE Pistons Chevrolet LS Gen III/IV Piston is a game changer. Designed specifically for high-performance applications, this piston is crafted with precision to ensure your engine runs at its best. With a bore diameter of 4.000 inches and a compression height of 1.165 inches, this piston is tailored for Chevrolet LS engines, making it an ideal choice for enthusiasts looking to upgrade their powertrains.

Key Features

< li >Manufactured in the USA using 2618 aluminum, known for its exceptional tensile strength, perfect for high-demand applications.

< li >Engineered for specific engines to optimize performance and durability, ensuring you get the most out of your setup.

< li >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 (application dependent) reduces friction and wear, leading to quieter operation and improved efficiency.

< li >Accumulator groove (application dependent) reduces pressure from combustion gases, minimizing ring flutter and enhancing ring seal for consistent power delivery.

< li >All pistons are made 100% in the USA, reflecting our commitment to quality and performance.

Specifications

< li >Piston Series: JE Pistons

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

< li >Bore Diameter: 4.000 inches

< li >Piston Head Type: Flat

< li >Compression Height: 1.165 inches

< li >Piston Volume: -5.00 CC

< li >Piston Material: 2618

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Right

< li >Piston Average Weight: 378 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

< li >Sold As: Set of 1

Customer Feedback

Customers have praised the JE Pistons 323978R for its durability and performance. Many noted significant improvements in engine responsiveness and overall power output. One reviewer mentioned, “These pistons transformed my LS engine into a beast on the track!” Another stated, “I love how quiet my engine runs with these pistons installed, and the power is just incredible!”