FREE 1 to 3-Day Delivery on Orders $149+ Details

Father’s Day Sale – Up to 40% Off! Shop Now >

Find Engine Components for your Ram 1500

Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Flat Camshaft (2002 5.9L RAM 1500)Find parts that fit my vehicle

Item R170961
Product Image
361 Reviews of Comp Cams
Our Price

$297.95 each

Military, Medical & First Responders $14.90 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program
    Join For FREE
    Loading Indicator

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Chrysler 273-360 Engines
      • Designed for Street and Strip Performance
      • Requires Minimum 9.5:1 Compression, 2800+ Stall Converter, Compatible Intake Manifold, Rear Gears, and Headers
      • Produces a Very Rough Idle
      • RPM Operating Range: 2500-6400
      • Hydraulic Flat Tappet Camshaft
      • Part of the Thumpr Camshaft Series
      • 1-Bolt Camshaft Gear Attachment
      • Advertised Intake Duration: 295°
      • Advertised Exhaust Duration: 313°
      • Intake Duration at 0.050" Lift: 243°
      • Exhaust Duration at 0.050" Lift: 257°
      • Intake Valve Lift: 0.507"
      • Exhaust Valve Lift: 0.494"
      • Lobe Lift Intake: 0.338"
      • Lobe Lift Exhaust: 0.329"
      • Lobe Separation Angle: 107°
      • Intake Centerline: 102°
      • Valve Timing at 0.006" Lift
      • Exhaust Close After TDC: 49°
      • Intake Open Before TDC: 44°
      • Exhaust Open Before BDC: 84°
      • Intake Close After BDC: 71°
      • Compatible with Hydraulic Flat Tappet Lifters
      • Fits 2002 5.9L RAM 1500 Without Modifications

      Description

      Performance Hydraulic Cam. The Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat camshaft is engineered for aggressive street and strip use, delivering high valve lift and duration for increased power and a distinctive exhaust sound. It requires a minimum compression ratio of 9.5:1 and operates effectively between 2,500 and 6,400 RPM.

      Construction and Appearance. Featuring a durable hydraulic flat tappet design, this camshaft withstands high RPM and aggressive use. It utilizes a single-bolt camshaft gear attachment for secure installation, finished to resist wear and corrosion for extended longevity.

      Installation. The camshaft installs directly on Chrysler 273-360 V8 engines without the need for special drilling or modifications. Standard mechanical skills and tools are sufficient for proper installation.

      Warranty. This product includes a 12-month warranty covering manufacturing defects.

      Application. Specifically designed to fit the 2002 5.9L RAM 1500 engine, ensuring compatibility without modifications.

      Comp Cams 20-602-4

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 6 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Camshaft
      4.7

      Reviews of Comp Cams Engine Products (361)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Ram 1500

      • 5.9L V8 - 02