Description
Rocker arm sealing failures can lead to oil leaks, increased wear, and costly engine damage—especially in high-performance Twin Cam applications where precision matters. The JAMES GASKET Rocker Arm Support O-Ring is engineered to maintain a reliable seal under demanding conditions, preventing oil bypass and protecting your engine’s internal components. A critical wear item that belongs in every rebuild kit.
- Manufacturer: JAMES GASKET
- Part Number: JGI-11270
- Application: Twin Cam engines
- Fitment: OEM replacement specification
- Material: High-grade elastomer
- Installation: Bolt-on replacement
- Origin: Made in the U.S.A.
- Function: Rocker arm support seal









