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$561.99
COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B
COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B

COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B

289 Ford Small Block V8, 302 Ford Small Block V8, Hydraulic Roller Tappet Camshaft Type

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COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B
COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B
COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B
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COMP Cams CL31-601-8 Thumpr Hyd. Roller Camshaft Kit, Ford S/B
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We estimate this item will ship on or before November 10th.
Part # 282CL316018
$561.99
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Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
291
Exhaust Duration:
311
RPM Range:
2200 to 5900
Lobe Separation:
107 °
Intake Duration (.050" Lift):
235
Exhaust Duration (.050" Lift):
249
GTIN Code:
036584215059
MFG. Part #:
CL31-601-8
Grind Number:
291THR7
Intake Valve Lift w/ Rocker Arm Ratio:
0.54"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.526"
External Ignition Box Required:
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
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

CL31-601-8 - Cam and Lifter Kit, FS 291TH R7 THUMPR RF.

Ford 221-302 c.i. 8 cyl. 1963-1995 (Includes 221, 260, 289 & 302). Mutha' Thumpr-High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. Thumpr Retro-Fit Hydraulic Roller Camshaft. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

  • 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

1963-85 Ford 289-302

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!
  • A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.
  • Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.
  • 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.
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.
  • Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

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