Total Seal CR3690-75 Classic Race Piston Rings 4.075" Bore 1/16 1/16 3/16 8-Cylinder Set

Total Seal CR3690-75 Classic Race Piston Rings deliver proven performance for street and race applications with a 4.075-inch bore. Part of Total Seal's renowned CR series, these ring sets are engineered for demanding naturally aspirated engines and mild levels of forced induction or nitrous.

Construction Features:

• Ductile iron plasma-moly coated conventional top ring for superior wear resistance
• Conventional cast iron tapered face second ring for optimal oil control
• 3-piece standard-tension stainless steel oil ring for reliable sealing
• 1/16" x 1/16" x 3/16" ring thickness configuration
• File-fit design allows for precise end gap adjustment

Application:

• 8-cylinder set (complete rings for all 8 pistons)
• Ideal for street use, race applications, and mild levels of nitrous or forced induction
• Designed for use with naturally aspirated and mildly boosted engines

Total Seal's CR Classic Race ring sets combine durability with performance, featuring a conventional gap design that provides excellent ring seal while maintaining optimal oil control. The plasma-moly coating on the top ring ensures long-lasting performance even under demanding conditions.