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$296.99
COMP Cams 08-601-8 Thumpr Hyd. Roller Camshaft, Chevy 5.0/5.7L
COMP Cams 08-601-8 Thumpr Hyd. Roller Camshaft, Chevy 5.0/5.7L

COMP Cams 08-601-8 Thumpr Hyd. Roller Camshaft, Chevy 5.0/5.7L

305 Chevy Small Block V8, 350 Chevy Small Block V8, Hydraulic Roller Tappet Camshaft Type

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COMP Cams 08-601-8 Thumpr Hyd. Roller Camshaft, Chevy 5.0/5.7L
COMP Cams 08-601-8 Thumpr Hyd. Roller Camshaft, Chevy 5.0/5.7L
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We estimate this item will ship on or before September 26th.
Part # 282086018
$296.99
each
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 3 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 Roller Tappet
RPM Range:
2200 to 5900
Intake Duration:
291
Exhaust Duration:
311
Lobe Separation:
107 °
Grind Number:
291THR7
Intake Duration @ .050" Lift:
235
Exhaust Duration @ .050" Lift:
249
Intake Valve Lift w/ Rocker Arm Ratio:
0.522"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.509"
MFG. Part #:
08-601-8
GTIN Code:
036584171980
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

COMP Cams Mutha' Thumpr 291THR7 Camshaft for Small Block Chevrolet Carbureted Engines Originally Equipped with Hydraulic Roller Cams.

Thumpr. High performance street/strip, Needs 9:1 compression, 2500+ stall, intake, gears & headers, Rough idle. Hydraulic Roller - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

  • Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
  • Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
  • Best with aftermarket converters & more rear gear

Application

1987-98 Chevy 305-350
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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