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Street Race Truck More... The Toolbox
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$199.99
$188.99
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
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We estimate this item will ship on or before December 4th.
Part # 282486025
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$188.99
$199.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 14 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.

Details

Camshaft Type:
Hydraulic Flat Tappet
RPM Range:
2500 to 6400
Intake Duration:
294
Exhaust Duration:
312
Lobe Separation:
107 °
Intake Duration @ .050" Lift:
242
Exhaust Duration @ .050" Lift:
257
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
Some parts are not legal for use in California or other states with similar laws/regulations

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  • 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!

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