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Street Race Truck More... The Toolbox
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$224.99
$186.99
COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM
COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM

COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM

Chevy Small Block V8, Hydraulic Flat Tappet Camshaft Type, 3000-6000 RPM Range

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COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM
COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM
COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM
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COMP Cams 12-521-5 S/B Chevy .420 Lift Hydraulic Cam, 3000-6000 RPM
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Part # 282125215
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Details

Camshaft Type:
Hydraulic Flat Tappet
RPM Range:
3000-6000
Intake Duration:
297
Exhaust Duration:
299
Intake Duration (.050" Lift):
246
Exhaust Duration (.050" Lift):
250
Lobe Separation:
106 °
MFG. Part #:
12-521-5
GTIN Code:
036584642404
Sold in Quantity:
Each

Info

COMP Cams hydraulic flat tappet camshaft for .420" low lift rules. Camshafts must be used with an oil additive (sold separately).

Cam Application Chart (GIF)

282-125215 Specs (Link)

Item Details

.420" lift rules. Rough idle. Low vacuum, under 10".

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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.
  • A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.
  • 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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