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COMP Cams Part # CCA11-246-20

COMP Cams Nitrided Camshaft CB XE274H-1 - 11-246-20

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Xtreme Energy NIT 230/236 Hydraulic Flat Cam for Chevrolet Big Block 396-454

Application: Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

High performance street, very strong mid-range, with headers and 2200+ stall. Nitrided.

Xtreme Energy NIT 230/236 Hydraulic Flat Tappet Cam for Chevy Big Block 396-454 (Nitrided). High performance street. Very strong mid-range with headers and a 2200+ stall.

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.

  • Excellent performance in street carbureted applications.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.

  • Usage: Street/Strip
  • Intake Valve Lift: 0.552 in.
  • Exhaust Valve Lift: 0.555 in.
  • Basic Operating RPM Range: 1,800-6,000 RPM
  • Lobe Separation: 110°
  • Advertised Intake Duration: 274°
  • Advertised Exhaust Duration: 286°
  • Camshaft Gear Attachment: 3-Bolt
  • Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
  • Camshaft Material: Nitrided Cast Iron
  • Grind Number: XE274H
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: Yes

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