Rocker Lockers Single Rocker Locking Kit - 1984-1999 Harley EVO Big Twin
About Rocker Lockers
Rocker Lockers parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Rocker Lockers item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The Rocker Lockers single rocker locking kit is engineered to eliminate the persistent top-end ticking often heard from 1984-1999 Harley EVO Big Twin engines. This noise is caused by play in the rocker arm shafts. The kit includes four precision-tapered brass bushings that lock these shafts securely in place, stopping the unwanted movement.
Why riders pick this
- Quiets 1984-1999 EVO Big Twin top-end ticking
- Secures rocker arm shafts
- Four brass precision tapered bushings
- Complete hardware and instructions included
Many owners of 1984-1999 EVO Big Twin engines are familiar with the distinctive ticking sound that can emanate from the top end. This noise typically arises when rocker arm shafts have slight play, allowing them to make contact with the mounting plate bolts. Rocker Lockers provide a proven solution, stabilizing these shafts to deliver a quieter, more refined engine sound.
Eliminate EVO Big Twin Top-End Ticking
- Four brass precision tapered bushings per kit
- Locks rocker arm shafts firmly in place
- Eliminates ticking caused by shaft contact
- Includes all necessary mounting hardware
Refine Your EVO Big Twin Engine
This kit is a straightforward upgrade for 1984-1999 Harley-Davidson EVO Big Twin engines across Touring, Softail, and Dyna platforms. With detailed installation instructions and all hardware included, most riders can confidently perform this upgrade in their home garage. Enjoy a more pleasant riding experience without the distraction of top-end noise, allowing the true rumble of your EVO to shine through.
Specifications
- Brand: Rocker Lockers
- Manufacturer Part #: DK-RL-BTE
- Length: 4 in
- Width: 6.5 in
- Height: 0.5 in
- Weight: 0.16 lbs
Common questions
What causes the ticking noise this kit addresses in EVO Big Twins?
The ticking noise in 1984-1999 EVO Big Twin engines is typically caused by slight play in the rocker arm shafts, which allows them to make contact with the mounting plate bolts during operation. This kit prevents that movement.
Will this kit fit my Twin Cam or Sportster engine?
No, this specific Rocker Lockers kit is exclusively designed for 1984-1999 Harley-Davidson EVO Big Twin engines. Separate kits are available for Twin Cam and Sportster applications.
What is included with the Rocker Lockers kit?
The kit includes four brass precision tapered bushings, all necessary mounting hardware, and step-by-step installation instructions to guide you through the process.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Rocker Lockers |
| TYPE | Engine |
| SKU | 880-3012 |
| WEIGHT | 0.16 lb |
