Installation Time
(approx) a Day
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
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Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat Camshaft K-Kit
(94-02 5.2L, 5.9L V8 RAM 2500
Find parts that fit my vehicle Item HR48274
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Big Mutha' Thumpr 243/257 Hydraulic Flat Cam K-Kit For Chrysler 273-360
- Street/Strip Use; Requires 9.5:1 Compression, 2800+ Stall, Intake, Gears, and Headers; Produces a Very Rough Idle
- 12-Month Warranty Included
- Engine Family: Chrysler 273-360 C.I. 8 Cylinder (1964-2002)
- RPM Operating Range: 2,500-6,400
- Cam Type: Hydraulic Flat Tappet
- Camshaft Series: Thumpr
- Advertised Intake Duration: 295 Degrees
- Advertised Exhaust Duration: 313 Degrees
- Intake Duration at .050 Inch Lift: 243 Degrees
- Exhaust Duration at .050 Inch Lift: 257 Degrees
- Intake Valve Lift: 0.507 Inches
- Exhaust Valve Lift: 0.494 Inches
- Lobe Separation Angle: 107 Degrees
- Fits 1994-2002 5.2L and 5.9L V8 RAM 2500 Engines
Description
High-Performance Camshaft. The Comp Cams Big Mutha Thumpr 243/257 Hydraulic Flat Camshaft K-Kit delivers enhanced valve timing for Chrysler 273-360 engines, optimizing power and torque for street and strip applications. It is designed to operate efficiently between 2,500 and 6,400 RPM, providing aggressive throttle response and performance suited for vehicles requiring a rough idle and supporting 9.5:1 compression, 2800+ stall, and aftermarket intake, gears, and headers.
Construction and Appearance. Manufactured with durable materials tailored for hydraulic flat tappet camshafts, this camshaft features precision-ground lobes and a flat tappet design engineered for reliable operation. The kit’s finish is designed for durability, ensuring longevity under high-stress street and strip conditions.
Installation. Installation requires moderate mechanical skill. This camshaft is a direct replacement for specified Chrysler engines and fits into existing lifter bores, maintaining compatibility with stock components where applicable.
Warranty. This camshaft kit includes a 12-month limited warranty covering manufacturing defects to ensure customer satisfaction. Application. It is designed specifically to fit 1994-2002 5.2L and 5.9L V8 RAM 2500 engines, providing targeted performance improvements without compatibility issues.
Comp Cams K20-602-4
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Camshaft Kit
4.7
Reviews of Comp Cams Engine Products (10)
Questions & Answers
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Will It Fit My Ram 2500
- 5.2L V8 - 94, 95, 96
- 5.9L V8 - 94, 95, 96, 97, 98, 99, 00, 01, 02
