JE Pistons JG1004-3189 Piston Ring Set for 81.00 mm Bore 4-Cylinder Engines

Vehicle Fitment

• Universal fit for 4-cylinder engines with 81.00 mm (3.189 in.) bore

Features

• File-fit design for precise end gap customization
• High-performance 3-ring set for racing and street applications
• Top compression ring: carbon steel with nitride finish
• Second compression ring: ductile iron with phosphate coating
• Oil control ring: carbon steel with nitride coating
• Low-tension design reduces friction for improved horsepower
• Durable materials withstand high heat and pressure
• Compatible with JE Pistons Sports Compact Series

Specifications

• Bore Diameter: 81.00 mm (3.189 in.)
• Ring Type: 3-ring set (Top, Second, Oil)
• Top Ring Thickness: 0.0394 in. (1.0 mm)
• Second Ring Thickness: 0.0472 in. (1.2 mm)
• Oil Ring Thickness: 0.110 in. (2.8 mm)
• Material: Carbon Steel / Ductile Iron
• File Fit: Yes
• Engine Type: 4-Cylinder

Included Components

• 1x Top Compression Ring
• 1x Second Compression Ring
• 1x Oil Ring

Product Description

The JE Pistons JG1004-3189 Universal Piston Ring Set is engineered for precision performance in 4-cylinder engines with an 81.00 mm bore. Its file-fit design allows exact end gap adjustments for optimal engine efficiency and power delivery.

This high-performance 3-ring set includes a carbon steel top ring with nitride finish, a ductile iron second ring with phosphate coating, and a carbon steel oil ring with nitride coating. Low-tension design reduces friction and helps engines perform at peak levels in both street and track applications.

Ideal for engine builders, performance enthusiasts, and anyone upgrading or rebuilding compact engines, this universal piston ring set ensures durability, reliability, and maximum power potential across a wide variety of 4-cylinder applications.