Radius Arm · Rear Axle
| System | Rear Axle |
| Subsystem | Radius Arm |
| Assembly | Rear Radius Arm to Axle Cross |
| Fastener | Bolt |
| Thread | M14x1.5 |
| Grade | 10 K |
| Years | 1972–1983 |
| Vehicles | 911SC, 911T/E/S |
| Confidence | Cross Referenced |
Source: Porsche 911 Workshop Manual, Section 5 (Rear Axle), page 525 (Tightening Torques); Porsche Technical Specifications (WKD 422 720, 78-81 Models, and WKD 423110, 82-83 Models), both stating 60 Nm directly for this position ("control arm to cross tube") - corrects the workshop manual's 9.0 kpm figure (approx. 88 Nm converted), which two independent factory publications agree does not match