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$194.99
COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM
COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM

COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM

348 Chevy W-Series V8, 409 Chevy W-Series V8, Hydraulic Flat Tappet Camshaft Type

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COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM
COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM
COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM
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COMP Cams 48-602-5 Big Mutha Thumpr Cam, Chevy 348/409, 2500-6400 RPM
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We estimate this item will ship on or before June 17th.
Part # 282486025
$194.99
$199.99
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Details

Camshaft Type:
Hydraulic Flat Tappet
RPM Range:
2500-6400
Intake Duration:
294
Exhaust Duration:
312
Intake Duration (.050" Lift):
242
Exhaust Duration (.050" Lift):
257
Lobe Separation:
107 °
MFG. Part #:
48-602-5
GTIN Code:
036584213239
Sold in Quantity:
Each

Info

These COMP Cams Thumpr cams will make your 1958-1965 Chevy 348 or 409 wake up and sound nasty. Thumpr cams have a long exhaust duration and other grind characteristics to produce a powerful, hard-hitting exhaust note. Lifters sold separately.

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers. Very rough idle.

Thumpr Cam Spec Chart (GIF)

Item Details

Street/Strip/9.5:1 comp. - Very rough idle
2500-6400 RPM

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 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.
  • 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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