Total Seal AP Steel Gapless Top Piston Ring Sets

The Total Seal AP steel gapless top piston ring sets combine advanced profiling (AP) technology with a precision-engineered gapless top ring design to deliver superior cylinder sealing, increased horsepower, improved crankcase vacuum, and reduced blow-by. Manufactured from high-strength AP stainless steel with a chromium nitrided face coating, these rings are stronger, lighter, flatter, and more durable than conventional ring sets, providing exceptional sealing performance and longer engine life under extreme racing conditions. Designed for naturally aspirated, turbocharged, supercharged, nitrous, and other high-performance applications, Total Seal AP steel gapless top ring sets offer reduced friction, improved oil control, and the precise tolerances trusted by top professional engine builders across motorsports. Show Less