SKU: SKU: FOC20BP285B
Profile: BP285.
Application: Ultimate Road.
Unit Type: Blank.
If using Piper one piece followers - FOLST170M - You will need to purchase SHIM83, which will then need final grinding.
Note:Uprated Valve springs are recommended - VSSZETARK.
Note:Vernier Pulleys are recommended - PULDZETA.
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| Weight | 5 kg |
|---|---|
| Application | Ultimate Road |
| Power Band | 2500-7500 |
| Duration Inlet | 264° |
| Duration Exhaust | 256° |
| Valve Inlet Lift | .382" 9.71mm |
| Valve Exhaust Lift | .361" 9.18mm |
| Timing Inlet | 24 - 60 |
| Timing Exhaust | 56 - 20 |
| Full Inlet Lift | 108° |
| Full Exhaust Lift | 108° |
| TDC Inlet Lift | .063" 1.60mm |
| TDC Exhaust Lift | .045" 1.14mm |
| Valve Inlet Clearance | .010" .25mm |
| Valve Exhaust Clearance | .012" .30mm |