Dyno Cams Camshaft 275 Grind Tool Steel Billet Gx390 Predator 420Cc

Dyno Cams Camshaft 275 Grind, Tool Steel Billet, GX390, Predator 420cc

Regular price$278.00
Shipping calculated at checkout.

This cam is used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel.
Tool Steel Billet cores are the best choice in high RPM applications.
The two piece design of the Tool Steel Billet core allows you to advance or retard the cam to meet your application needs.

Engine: 390cc OHV Clone 13HP
Recommended Class: Modified
Target (MAX) RPM: 6500
Spring Pressure (In / Ex): 32 lbs Single Spring
Valve Lash (In/Ex): .003"
Ignition Timining: 93 Octane 28 Deg BTDC
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC
Compression Ratio: 10.2 to 1

Intake Exhaust
Open: 50.0 BTDC 88.5 BBDC
Close: 88.0 ABDC 50.0 ATDC
Lift: .276" .276"
C/L: 108.0 ATDC 110.0 BTDC
DUR @ 50: 239.5 Deg 238.8 Deg

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