
Kyosho UB038 Slipper Spring Set (RB7.5)
Fine-tune your Ultima RB7.5's acceleration with these performance slipper springs – the key to putting power down without wheelspin. When stock springs lose their tension, this Kyosho-engineered set gives you back that perfect balance of grip and slip.
Key Features
-
Precision tension rates – Consistent performance lap after lap
-
Tempered steel construction – Resists fatigue better than stock
-
Multiple spring options – Lets you adjust for different track conditions
-
Factory-matched specs – Maintains original clutch feel
Why These Springs Help Your Drive
-
Prevents excessive drivetrain wear from slippage
-
Allows customizable power delivery
-
Genuine Kyosho quality ensures reliable operation
Technical Details
-
Part No.: UB038
-
Application: Ultima RB7.5 slipper clutch
-
Set includes: Multiple spring options
-
Note: Does not include slipper pads or plates
Dial in your ideal power transfer with the UB038 Spring Set – the racer's choice for precise acceleration control. Whether you're setting up for high-traction surfaces or slippery conditions, these springs give you the adjustability you need. Click to order and take command of your RB7.5's launch characteristics!
Kyosho UB038 Slipper Spring Set (RB7.5)
Fine-tune your Ultima RB7.5's acceleration with these performance slipper springs – the key to putting power down without wheelspin. When stock springs lose their tension, this Kyosho-engineered set gives you back that perfect balance of grip and slip.
Key Features
-
Precision tension rates – Consistent performance lap after lap
-
Tempered steel construction – Resists fatigue better than stock
-
Multiple spring options – Lets you adjust for different track conditions
-
Factory-matched specs – Maintains original clutch feel
Why These Springs Help Your Drive
-
Prevents excessive drivetrain wear from slippage
-
Allows customizable power delivery
-
Genuine Kyosho quality ensures reliable operation
Technical Details
-
Part No.: UB038
-
Application: Ultima RB7.5 slipper clutch
-
Set includes: Multiple spring options
-
Note: Does not include slipper pads or plates
Dial in your ideal power transfer with the UB038 Spring Set – the racer's choice for precise acceleration control. Whether you're setting up for high-traction surfaces or slippery conditions, these springs give you the adjustability you need. Click to order and take command of your RB7.5's launch characteristics!
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fine-tune your Ultima RB7.5's acceleration with these performance slipper springs – the key to putting power down without wheelspin. When stock springs lose their tension, this Kyosho-engineered set gives you back that perfect balance of grip and slip.
Key Features
-
Precision tension rates – Consistent performance lap after lap
-
Tempered steel construction – Resists fatigue better than stock
-
Multiple spring options – Lets you adjust for different track conditions
-
Factory-matched specs – Maintains original clutch feel
Why These Springs Help Your Drive
-
Prevents excessive drivetrain wear from slippage
-
Allows customizable power delivery
-
Genuine Kyosho quality ensures reliable operation
Technical Details
-
Part No.: UB038
-
Application: Ultima RB7.5 slipper clutch
-
Set includes: Multiple spring options
-
Note: Does not include slipper pads or plates
Dial in your ideal power transfer with the UB038 Spring Set – the racer's choice for precise acceleration control. Whether you're setting up for high-traction surfaces or slippery conditions, these springs give you the adjustability you need. Click to order and take command of your RB7.5's launch characteristics!












