JE Pistons Chevrolet LS Gen III/IV Piston – 4.005 in. Bore – 1.065 in. CH, 3.30 CC Set of 1 312121R

JE Pistons Chevrolet LS Gen III/IV Piston – 4.005 in. Bore – 1.065 in. CH, 3.30 CC (Part Number: 312121R)

If you’re looking to upgrade your Chevrolet LS engine with a piston that delivers both performance and durability, the JE Pistons Chevrolet LS Gen III/IV Piston is an excellent choice. With over 75 years of expertise in the industry, JE Pistons has crafted this piston to meet the high demands of racing applications.

Why Choose JE Pistons?

Engineered and manufactured entirely in the USA, these pistons are designed specifically for each engine and racing scenario. Whether youre hitting the dirt track or the drag strip, you can trust that JE Pistons have proven their worth in victory lanes across the country.

Key Features

< li >Forged in the USA: Made from 2618 aluminum, this piston offers high tensile strength, perfect for high-performance applications.

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

< li >Proprietary Forged Side Relief (FSR): This design minimizes friction and power loss with a reduced skirt width, while also saving weight with 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 alleviate pressure from combustion gases, improving ring seal and reducing ring flutter for consistent power delivery.

< li >100% Made in the USA: You can trust the quality and craftsmanship of JE Pistons.

Specifications

< li >Piston Series: JE Pistons

< li >Cylinder Head Compatibility: GM LS1 15 Deg

< li >Bore Diameter: 4.005 inch

< li >Piston Head Type: Dome

< li >Compression Height: 1.065 inch

< li >Piston Volume: 3.30 CC

< li >Piston Material: 2618 aluminum

< li >Piston Quantity: 1

< li >Forging Type: FSR

< li >Piston Orientation: Right

< li >Average Weight: 398 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 312121R, highlighting its reliability and power. Many have noted significant improvements in their engine’s responsiveness and overall performance. The precision engineering and quality materials have earned this product high praise from both amateur and professional racers alike.

Upgrade your engine with the JE Pistons Chevrolet LS Gen III/IV Piston and experience the difference that expert craftsmanship can make on the track!

WARNING: Cancer and Reproductive Harm