1984-1996
1968-1982
1963-1967
1953-1962
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Camshaft for OE Roller (87-91 Corvette C4)Find parts that fit my vehicle
Item EK-25-906121
$0.00
Our Price
$549.95 each
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Camshaft for OE Roller
- Intended for a Straightforward Installation Procedure
- Requires No Drilling, Modification, or Cutting
- Developed with Strict Attention to Detail
- Fabricated in a State-of-the-Art Facility
- Features Application- and Vehicle-Specific Properties
- Serves as a Direct-Fit and Bolt-On Restoration Component
- Guaranteed to Deliver an Unparalleled and Long-Lasting Performance
- Manufactured from Top-Notch Quality Material
- Camshaft Gear Attachment: 3-Bolt
- Advertised Intake Duration: 299
- Advertised Exhaust Duration: 319
- Intake Valve Lift: 0.533
- Exhaust Valve Lift: 0.519
- Lobe Separation: 107
- Valve Timing Lift: 0.006
- Intake Duration at .050 Inch Lift: 243
- Exhaust Duration .050 Inch Lift: 257
- Developed through Innovative Technology
- Resistant Against Premature Wear and Tear
- With a Rigorously Tested and Proven Performance
- Boasts a Corrosion- and Rust-Resistant Composition
- Fabricated with a Weather-Tight Structure
- Made to Meet or Exceed Industry-Leading Quality and Safety Standards
- Engineered for All 1987-1991 Chevrolet Corvette C4 Models
Description
Aggressive Street Cam Upgrade. The Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Camshaft for OE Roller brings an aggressive idle and superior street performance to your C4 Corvette. With its thumping exhaust note and extended duration profile, this camshaft is engineered for drivers seeking noticeable power gains, especially in the mid-to-high RPM range.
Construction and Appearance. Precision-manufactured from premium materials, this camshaft features a 3-bolt gear attachment, corrosion-resistant finish, and a weather-tight design. Developed in a state-of-the-art facility, it includes a 243/257 duration at .050" lift, 0.533/0.519 valve lift, and 107 lobe separation to deliver optimal valve timing and engine breathing efficiency.
Installation. Installation is straightforward with no drilling or cutting required. The camshaft is a direct bolt-on replacement compatible with OE roller setups and fits without the need for modification.
Warranty. This product includes a limited warranty covering manufacturing and material defects.
Application. This Comp Cams Big Mutha' Thumpr 243/257 Hydraulic Roller Camshaft for OE Roller fits 1987-1991 Chevrolet Corvette C4 models.
Comp Cams 08-602-8
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Hydraulic Roller Camshaft
4.7
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Reviews of Comp Cams Engine products have an average rating of 4.74 out of 5
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