MAHLE 4535MS File Fit Piston Ring Set - 4.530 005 1/16 1/16 3/16

The MAHLE 4535MS is a performance piston ring set designed for a 4.530" bore diameter with a +.005" file fit finish. Ring thickness is 1/16" top, 1/16" second, and 3/16" oil, making this set a direct choice for high-performance and racing engine builds using large-bore applications.

Key Features:

• Bore Size: 4.530" standard | +.005" file fit oversize
• Ring Dimensions: 1/16" (top) x 1/16" (second) x 3/16" (oil)
• File Fit Design: Allows the builder to custom-fit ring end gap to their specific application and usage requirements
• Top Ring: Ductile iron construction with plasma moly barrel face coating for superior scuff resistance and sealing
• Second Ring: Cast iron reverse twist (napier) design for superior oil control and combustion gas management
• Standard Tension: Engineered to minimize friction and deliver measurable horsepower gains
• Ultra-flat ring flanks maximize ring-to-piston groove sealing
• Developed using MAHLE's proprietary piston ring simulation and computer development tools

MAHLE Motorsports piston rings are a staple in professional racing programs, trusted for their precision manufacturing, consistent tolerances, and performance under extreme conditions. The file fit configuration gives engine builders full control over end gap specification, making this set ideal for forced induction, nitrous, and high-compression naturally aspirated builds.