Manley 46770ST-6 Total Seal AP Premium Steel Piston Ring Set 3.770in Bore

The Manley 46770ST-6 is a Total Seal AP Premium Steel Piston Ring Set engineered for high-performance engine builds requiring a 3.770-inch bore. Developed in collaboration with Total Seal, this ring set incorporates Advanced Profiling (AP) manufacturing technology for superior cylinder wall conformability and sealing performance.

The 1.2mm x 1.5mm x 2.5mm ring stack configuration delivers a proven combination of compression retention and oil control suitable for the most demanding performance applications.

Key Features:

• Total Seal AP Technology: Advanced Profiling manufacturing produces a precision-ground ring face for exceptional sealing and reduced friction
• Premium Steel Construction: High-strength steel material built to endure the thermal and mechanical demands of high-horsepower engines
• File-to-Fit Design: Allows builders to set precise ring end gaps tailored to their specific application and power level
• Ring Stack: 1.2mm x 1.5mm x 2.5mm configuration optimized for performance piston builds
• Bore Size: 3.770 inches, precision-matched for Manley Platinum Series pistons
• Oil Ring Tension: 12–16 lb. tension range for effective oil control and reduced blow-by
• Forced Induction & Nitrous Ready: Recommended for supercharged, turbocharged, and nitrous oxide applications
• Complete Set: Includes all rings for 6 cylinders

Manley Performance has partnered with Total Seal to bring AP Premium Steel piston rings to their lineup, combining Manley's piston engineering expertise with Total Seal's industry-leading ring technology. This ring set is the correct complement for Manley Platinum Series pistons and is an ideal choice for engine builders targeting high output street, strip, or track applications.