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275 Grind, Tool Steel Billet, Clone 13HP
275 Grind, Tool Steel Billet, Clone 13HP
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275 Grind, Tool Steel Billet, Clone 13HP

Item Number 275-GX390-TSB
Qty Break Price
1 $200.00
2 $190.74
3 $181.48
4 $172.22
5 and up $162.96

Description

  • 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.

Specs

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

Profile

IntakeExhaust
Open: 50.0 BTDC88.5 BBDC
Close: 88.0 ABDC50.0 ATDC
Lift: .276".276"
C/L: 108.0 ATDC110.0 BTDC
DUR @ 50:239.5 Deg238.8 Deg