PAGID RSH 42 Racing Brake Pad (Shape 4122) S4122H42001
Built for serious track work, the RSH 42 gives strong bite, consistent stopping power, and confident pedal feel over long sessions. It works from low temperatures and stays stable at high heat, making it a trusted choice for historic racing and tarmac rally where control and repeatability matter.
Use it for historic circuit racing, tarmac rally, hill climb, sprints, and fast track days on classic and retro competition cars. Shape 4122 suits a range of popular motorsport calipers. Please use our vehicle lookup or see the Vehicle Fitment tab to confirm fitment.
- Strong initial bite with progressive, easy modulation
- Wide temperature window with high fade resistance
- Consistent friction for sprint and endurance use
- Disc-friendly with balanced wear rates
Note: Motorsport compound. Not designed for everyday road use.
Technical details
| Compound | PAGID RSH 42 |
| PAGID part number | S4122H42001 |
| Pad shape | 4122 |
| EAN | 4056029005584 |
| Friction characteristic | Medium-high, strong bite, stable feel |
| Temperature range | Works from low temp, stable at racing temps |
| Fade resistance | High |
| Disc compatibility | For iron brake discs |
Applications and setup
– Suits historic circuit cars, classic GT and touring cars, tarmac rally and hill climb.
– Often used front and rear on light cars, or rear with a higher-friction front compound on heavier cars.
– Bed in with gentle heat cycles, then increase load to achieve full performance.
Pad Dimensions
PAGID Racing Authorised Distributor






