Profile: 2170.
Application: National Hot Rod.
Unit Type: Blank.
For use with throttle bodies.
Note: Not suitable for use with standard O.E. Springs. Piper VDSDUR Spring Kit must be used.
Note: Additional machining to the pistons required with this profile.
| Application | Race |
| Power Band | 2500-7800 |
| Power Increase | – |
| Duration Inlet | 280° |
| Duration Exhaust | 272° |
| Valve Inlet Lift | .492″ 12.49mm |
| Valve Exhaust Lift | .450″ 11.42mm |
| Timing Inlet | 36 – 64 |
| Timing Exhaust | 60 – 32 |
| Full Inlet Lift | 104° |
| Full Exhaust Lift | 104° |
| TDC Inlet Lift | .152″ 3.85mm |
| TDC Exhaust Lift | .126″ 3.20mm |
| Valve Inlet Clearance | .008″ .20mm |
| Valve Exhaust Clearance | .010″ .25mm |
| Manufacturer | Ford |
| Product Type | Camshaft |
Top Hat Shim / Lash Caps ST170 (SINGLE) (Z088) 
