Street Bike Seals /Orings and Kits

A quality derby cover O-ring is essential for maintaining a reliable seal on your engine's primary cover, preventing oil seepage that can compromise performance and create maintenance headaches. James Gasket's 54122-14-VIC delivers the durability and...

Countershaft seal failure is one of the most common sources of transmission fluid loss in high-performance engines, leading to costly internal damage if left unaddressed. The COMETIC Shift Shaft Seal OS197 is engineered to eliminate this vulnerability...

Countershaft seal leaks are a common failure point in high-performance applications, leading to oil contamination and premature wear on critical drivetrain components. The COMETIC Shift Shaft Seal OS305 delivers factory-grade sealing reliability with...

Countershaft sprocket seals are critical to preventing gear oil leaks that compromise engine performance and create costly maintenance headaches. The COMETIC OS331 is engineered to maintain precise tolerances under sustained racing conditions, ensuring...

A compromised countershaft seal doesn't just leak oil—it invites contamination into your transmission and risks catastrophic drivetrain failure. The COMETIC Countershaft Seal OS415 restores proper sealing integrity, ensuring your transmission stays dry...

Countershaft seal leaks are a common maintenance issue that can compromise your transmission's integrity and lead to costly damage if left unaddressed. The COMETIC Countershaft Seal OS416 is engineered to deliver reliable, long-lasting sealing...

Countershaft seal leaks are a common maintenance issue that can compromise your transmission's integrity and lead to costly damage if left unchecked. The COMETIC Shift Shaft Seal OS227 is engineered to deliver reliable sealing performance where it...

Countershaft seal leaks are a common source of oil loss that compromises your transmission's reliability and performance. The COMETIC Shift Shaft Seal OS420 is a precision-engineered replacement seal that eliminates leaks at the source, ensuring proper...

Countershaft seal leaks compromise engine oil integrity and create messy, unreliable conditions in the garage or on the track. The COMETIC OS425 delivers precision sealing where it matters most, engineered to maintain proper tolerances under demanding...

A failing water pump seal allows coolant to bypass your system, leading to overheating, engine damage, and catastrophic failure on the track or trail. This K&L Supply seal kit includes every gasket, O-ring, and seal required for a complete water pump...