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COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM
COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM

COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM

Chevy Small Block V8, Solid Flat Tappet Camshaft Type, 1600-6000 RPM Range, 268 Intake Duration

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COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM
COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM
COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM
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COMP Cams 12-676-4 S/B Chevy Vacuum Solid Lifter Cam, 1600-6000 RPM
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We estimate this item will ship on or before April 23rd.
Part # 282126764
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Details

Camshaft Type:
Solid Flat Tappet
RPM Range:
1600-6000
Intake Duration:
268
Exhaust Duration:
274
Intake Duration (.050" Lift):
230
Exhaust Duration (.050" Lift):
236
Lobe Separation:
110 °
MFG. Part #:
12-676-4
GTIN Code:
036584070245
Sold in Quantity:
Each

Info

There are many things that effect vacuum. Camshaft lobe separation, lifter style, intake manifold, piston rings, compression ratio and overall valve and engine condition. Due to many and varied engine combinations, Speedway Motors offers no warranty on camshaft and or lifters for either performance, vacuum or longevity.

Must be used with break-in oil additive (sold separately).

Vacuum Rule Cam Chart (GIF) 

282-126764 Specs (PDF)

Important Messages

  • This item ships directly from the manufacturer. It may take an additional 6 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!
  • 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.
  • 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.

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