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$152.99
COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B
COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B

COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B

396 Chevy Big Block V8, 402 Chevy Big Block V8, 427 Chevy Big Block V8, 454 Chevy Big Block V8

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COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B
COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B
COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B
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COMP Cams 11-243-4 Xtreme Energy 4x4 Hydraulic Camshaft, Chevy B/B
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We estimate this item will ship on or before July 20th.
Part # 282112434
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Details

Camshaft Type:
Hydraulic Flat Tappet
RPM Range:
2000-6200
Intake Duration:
278
Exhaust Duration:
288
Intake Duration (.050" Lift):
234
Exhaust Duration (.050" Lift):
244
Intake Valve Lift w/ Rocker Arm Ratio:
0.564"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.570"
Lobe Separation:
111 °
Grind Number:
X4 278H
MFG. Part #:
11-243-4
GTIN Code:
036584038597
External Ignition Box Required:
No
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

COMP Cams Xtreme 4X4 X4278H-11 Hydraulic Hydraulic Camshaft for Big Block Chevy.

Chevrolet 396-454 c.i. 8 CYL. 1965-1996. Hydraulic-Good top end power, needs good intake, headers and gears. Use with 9.5 compression and 2500+ stall. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

  • Improved throttle response & increased low & mid-range RPM horsepower for towing & off-road
  • Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds

Application

1967-95 Chevy 396-454

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 4 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • Learn about the importance of getting the chain tension set correctly, and why it is critical that we get it as near perfect as we can. Walkthrough a basic procedure that effectively and consistently gets the chain tension set properly every time.
  • Picking a proper camshaft for your project can rapidly deteriorate into chaos. So many possibilities. Want a little advice? Click here!
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.
  • Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

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