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Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat (89-02 5.2L, 5.9L Dakota)Find parts that fit my vehicle

Item DD4837
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361 Reviews of Comp Cams
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$297.95

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      Product Information

      Features, Description, Q&A

      Features

      • Big Mutha' Thumpr 243/257 Hydraulic Flat Cam For Chrysler 273-360
      • Street/Strip, Needs 9.5:1 Compression, 2800+ Stall, Intake, Gears And Headers, Very Rough Idle
      • Rpm Operating Range 2,500-6,400
      • Cam Type Hydraulic Flat Tappet
      • Camshaft Series Thumpr
      • Camshaft Gear Attachment 1-Bolt
      • Usage Street/Strip
      • Advertised Intake Duration 295
      • Advertised Exhaust Duration 313
      • Intake Duration at .050 Inch Lift 243
      • Exhaust Duration .050 Inch Lift 257
      • Intake Valve Lift 0.507
      • Exhaust Valve Lift 0.494
      • Lobe Lift Intake 0.338
      • Lobe Lift Exhaust 0.329
      • Lobe Separation 107
      • Intake Centerline 102
      • Valve Timing Lift 0.006
      • Exhaust Close Atdc 49
      • Intake Open Btdc 44
      • Exhaust Open Bbdc 84
      • Intake Close Abdc 71
      • Lifter Type Hydraulic Flat Tappet
      • Fits 89-02 5.2L, 5.9L Dakota

      Description

      Hydraulic Flat Camshaft. The Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat camshaft is designed to enhance the performance of Chrysler 273-360 engines. It is suitable for street and strip applications, providing increased valve lift and duration to optimize power output. This camshaft requires specific supporting modifications such as 9.5:1 compression and high stall torque converters to achieve its full potential.

      Construction and Appearance. Crafted with precision metallurgy, this hydraulic flat tappet camshaft delivers reliable durability and consistent performance. Its surface features a clean, machined finish, ensuring accurate valve timing and smooth operation without excessive wear. The design focuses on robust construction for demanding high-RPM use.

      Installation. Moderate mechanical skill is required for installation, and the camshaft fits directly onto the 1-bolt cam gear without drilling or extensive modifications. Proper break-in procedures are recommended to maintain longevity and functionality.

      Warranty. This camshaft includes a 12-month manufacturer warranty covering defects in materials and workmanship.

      Application. This camshaft fits 89-02 5.2L, 5.9L Dakota engines and is intended specifically for Chrysler 273-360 cubic inch V8s within that range.

      Comp Cams 20-602-4

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

      4.7

      Reviews of Comp Cams Engine Products (361)

      Questions & Answers

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      Will It Fit My Dakota

      • 5.2L V8 - 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
      • 5.9L V8 - 98, 99, 00, 01, 02