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Street Race Truck More... The Toolbox
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$1,087.99
COMP Cams K12-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams K12-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy S/B

COMP Cams K12-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy S/B

Chevy Small Block V8, Hydraulic Roller Tappet Camshaft Type, 299 Intake Duration

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COMP Cams K12-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams K12-602-8 Thumpr Hyd. Roller Camshaft Kit, Chevy S/B
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We estimate this item will ship on or before December 5th.
Part # 282K126028
$1,087.99
each
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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.

Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
299
Exhaust Duration:
319
RPM Range:
2500 to 6200
Lobe Separation:
107 °
Intake Duration @ .050" Lift:
243
Exhaust Duration @ .050" Lift:
257
GTIN Code:
036584153450
MFG. Part #:
K12-602-8
Grind Number:
299THR7
Intake Valve Lift w/ Rocker Arm Ratio:
0.531"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.517"
Computer-Controlled Compatible:
No
Valve Springs Required:
No
Valve Spring Included:
Yes
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

K12-602-8 - Camshaft Kit, CS 299T HR-7 BMT THUMPR.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. Street/strip, Needs 9.5:1 compression, 2800+ stall, intake, gears & headers, Very rough idle. Thumpr -Optimize engine character & sound, while providing excellent valvetrain stability & a wide power range. Complete kit. 3 grinds to fit all of your performance needs. Long exhaust duration. Produces a powerful hard-hitting exhaust note. 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

1955-86 Chevy 262-400
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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