MAHLE 3021075 Performance Piston Ring Set 4.395" Bore 1/16" Width THG Design

The MAHLE 3021075 Plain Ring Set is a precision-engineered performance piston ring set designed for 4.3950-inch bore applications. This high-quality ring set features 1/16-inch edge width rings with an advanced Taper Hook Groove (THG) second ring design that delivers superior oil control compared to traditional reverse twist taper-faced rings.

Key Features:

• Bore Size: 4.3950 inches (file-to-fit design allows custom fitting)
• Ring Width: 1/16-inch edge width for optimal sealing performance
• THG Second Ring: Taper Hook Groove design for enhanced oil control
• Top Ring: Positive-twist ductile iron, barrel-faced with plasma-moly inlaid coating
• Oil Control Ring: Standard or low tension 3-piece design for efficient oil management
• Ultra-flat ring flanks maximize ring-to-piston sealing
• Engineered using MAHLE's advanced ring simulation technology to minimize friction

MAHLE is a world-leading manufacturer of pistons and rings, pioneering the use of computer development tools to create rings that provide measurable horsepower gains by successfully reducing friction. This ring set is ideal for performance engine builds, rebuilds, and racing applications where precision and reliability are critical. File-to-fit design allows for proper end gap adjustment to match your specific application requirements.