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Original price was: $140.95.$91.99Current price is: $91.99.
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This cam is used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel.
The lobes are welded to increase durability, extending the life of this cam.
Product Specs:
- Engine: 390cc OHV Clone 13HP or 301cc Predator Engine 8HP
- Recommended Class: Modified
- Target (MAX) RPM: 6500
- Spring Pressure (In / Ex): 32 lbs Single Spring
- Valve Lash (In/Ex): .003″
- Ignition Timing:
93 Octane 28 Deg BTDC
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC - Compression Ratio:10.2 to 1
| Grind Number : 275 | ||
| Recommended Class: GX-390 Mild Modified | ||
| Valve Timing | ||
| Intake | Exhaust | |
| Open | 50 BTDC | 88.5 BBDC |
| Close | 88 ABDC | 50.0 ATDC |
| Lift | .276 | .276 |
| C/L | 108 ATDC | 110 BTDC |
| Valve Lash | .003 | .003 |
| Check lash when engine is cold | ||
Be the first to review “New ???? BMI Dyno Cams 275 Grind For 13HP Honda GX390 Also Works On 8HP 301cc Predator ✔️”
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