Description
Worn rocker arm bushings compromise valve train accuracy and accelerate engine wear—particularly critical in high-mileage Big Twin and XL engines where lateral play directly impacts performance and longevity. JIMS Rocker Arm Bushings restore proper clearances and reduce friction, ensuring your valvetrain operates with the precision these engines demand. Installation is straightforward, making this a smart maintenance upgrade for any serious Harley builder or restoration project.
- Fits: Harley-Davidson FLH 1970-1984
- Engine type: Big Twin, XL
- Material: Precision-engineered bushing
- Manufacturing: USA-made
- Installation: Bolt-on
- Reduces friction significantly
- Minimizes valve train wear
- Restores proper clearances
- High-stress rated
- OEM-equivalent fitment
- MPN: 17428-57K
