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Promo: HAPPY    Expires: 7/12/20
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COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM
COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM

COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM

Chevy Small Block V8, Solid Flat Tappet Camshaft Type, 3400-7200 RPM Range, 290 Intake Duration

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COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM
COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM
COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM
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COMP Cams 12-690-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3400-7200 RPM
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Part # 2821269047
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Details

Camshaft Type:
Solid Flat Tappet
RPM Range:
3400-7200
Intake Duration:
290
Exhaust Duration:
300
Intake Duration (.050" Lift):
260
Exhaust Duration (.050" Lift):
266
Lobe Separation:
106 °
MFG. Part #:
12-690-47
GTIN Code:
036584084167
Sold in Quantity:
Each

Info

Mechanical flat tappet camshaft for oval track applications by COMP Cams. Cam features a 4/7 swap firing order (18736542 firing order) which exchanges the 4 and 7 camshaft lobe timing in small block Chevy V8s. This provides a smoother application of force to the crankshaft. Some 4/7 swap engines will experience horsepower gains, but all of them will gain an exceptionally smooth torque curve with this new firing order technology.

Cam Application Chart (GIF)

282-1269047 Specs (Link)

Item Details

3/8 to 1/2 tight, 360+ ci. 12:1+ 4BBL with good intake and exhaust.

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.

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