Valve kit Detroit 170cc 5.5mm stems
Included:
- 28.5mm Inlet valve
- 25mm Exhaust Valve
Hardened steel construction with pre set valve faces.
You will still need to grind the valve faces to produce a proper fit with the head you intend to use them in.
Dimensions:
- A = 71.2mm
- B = 25mm exhaust
- C = 28.5mm inlet