Sealed Power R19105-5 Hellfire Piston Ring Set Bore - 4.375 1/16 1/16 3/16

The Sealed Power R19105-5 Hellfire piston ring set is engineered for high-performance and racing applications requiring maximum durability and sealing capability. This 8-cylinder ring set is designed for engines with a 4.375-inch bore diameter and features file-fit end gaps for precise installation.

Key Features:

• 4.375-inch bore diameter for performance engine builds
• 1/16 x 1/16 x 3/16-inch ring thickness configuration
• Ductile iron construction for superior strength and durability
• Standard tension design for reliable sealing and oil control
• File-fit rings allow for custom end gap adjustment
• Complete 8-cylinder set includes rings for all pistons
• Designed to withstand high-stress racing conditions

The Hellfire series represents Sealed Power's premium piston ring line, specifically engineered for serious race engines running nitrous, forced induction, or bracket racing applications. This set includes a rugged top compression ring, reverse-twist second ring, and standard-tension oil ring assembly for exceptional cylinder sealing and oil control in demanding performance environments.