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$782.99
COMP Cams CL11-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy B/B
COMP Cams CL11-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy B/B

COMP Cams CL11-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy B/B

396 Chevy Big Block V8, 402 Chevy Big Block V8, 427 Chevy Big Block V8, 454 Chevy Big Block V8

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COMP Cams CL11-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy B/B
COMP Cams CL11-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy B/B
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We estimate this item will ship on or before July 25th.
Part # 282CL116028
$782.99
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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
Intake Duration:
299
Exhaust Duration:
319
RPM Range:
2300 to 6100
Lobe Separation:
107 °
Intake Duration @ .050" Lift:
243
Exhaust Duration @ .050" Lift:
257
GTIN Code:
036584153481
MFG. Part #:
CL11-602-8
Grind Number:
299THR7
Intake Valve Lift w/ Rocker Arm Ratio:
0.57"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.554"
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Valve Spring Included:
No
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

CL11-602-8 - Cam and Lifter Kit, CB 299T HR-7 BMT THUMP.

Chevrolet 396-454 c.i. 8 CYL. 1965-1996. Hydraulic Roller-(Big Mutha' Thumpr) Street/strip, needs 9.5:1 CR , 2800+ stall, intake, gears, and headers, very rough idle. Thumpr Retro-Fit Hydraulic Roller Camshafts. Camshaft and lifter kit. 3 grinds to fit all of your performance needs. Long exhaust duration. Produces a powerful hard-hitting exhaust abote. Excellent horsepower gains and broad torque curve. Delivers real seat of the pants performance. Designed for use with the latest in valve train components.

  • 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

1967-95 Chevy 396-454
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!
  • 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.
  • Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

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