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$749.99
COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B

COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B

Chevy Small Block V8, Hydraulic Roller Tappet Camshaft Type, 276 Intake Duration

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COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B
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COMP Cams SK12-423-8 Xtreme Energy Hyd. Roller Camshaft Kit, Chevy S/B
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We estimate this item will ship on or before August 28th.
Part # 282SK124238
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Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
276
Exhaust Duration:
282
RPM Range:
1900 to 5600
Lobe Separation:
110 °
Intake Duration (.050" Lift):
224
Exhaust Duration (.050" Lift):
230
GTIN Code:
036584025733
MFG. Part #:
SK12-423-8
Grind Number:
CS XR276HR-10
Intake Valve Lift w/ Rocker Arm Ratio:
0.502"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.51"
External Ignition Box Required:
No
Valve Springs Required:
Yes
Valve Spring Included:
No
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

SK12-423-8 - Camshaft Kit, CS XR276HR-10.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. High performance street machines, 2000+ stall, gears, Choppy idle. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

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

Application

1958-86 Chevy 262-400

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 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 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.
  • A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.
  • Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.
  • Follow along as Jeff installs Mr. Gasket aluminum finned valve covers and gaskets to his iron-head engine. Learn how to prep the covers for a fresh coat of engine paint!
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.

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