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

Name: Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat (89-02 5.2L, 5.9L Dakota)
Brand: Comp Cams
SKU: DD4837
Price: 309.95 USD
Availability: InStock

Item DD4837

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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, Requires 9.5:1 Compression, 2800+ Stall Torque Converter, Intake, Gears And Headers, May Cause 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 at .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 engineered to enhance the performance of Chrysler 273-360 engines. Ideal for street and strip applications, it provides increased valve lift and duration to optimize power output. This camshaft requires supporting modifications including 9.5:1 compression ratio and a torque converter with a stall speed above 2800 rpm to reach its full potential.

Construction and Appearance. Manufactured with precision metallurgy, this hydraulic flat tappet camshaft offers reliable durability and consistent performance. It features a clean, machined finish that ensures accurate valve timing and smooth operation while minimizing wear. The design emphasizes robust construction suitable for demanding high-RPM use.

Installation. Installation requires moderate mechanical skill. The camshaft fits directly onto a 1-bolt cam gear without drilling or extensive modifications. Proper break-in procedures are essential to maintain longevity and functionality.

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

Application. Designed to fit 1989-2002 5.2L and 5.9L Dodge Dakota engines, it is specifically intended for Chrysler 273-360 cubic inch V8 engines within that range.

Comp Cams 20-602-4

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