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Engines and Components› Camshafts and Valvetrain
COMP Cams
Drop-In Valve Spring Kit for Magnum 5.2L /5.9L Heads with .500" Max Lift
SKU: C007 26986MCS-KIT
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: 26986MCS-KIT
COMP Cams Magnum 5.2L/5.9L Drop-in Valve Spring Kit is designed to maximize the potential of Magnum Cylinder Heads. Allowing up to .500" of lift, this kit provides spring rates that can handle significantly more aggressive lobe profiles. Designed to drop right onto stock Magnum 5.2L/5.9L cylinder heads, it includes beehive valve springs, retainers, and Metal-body Viton valve Seals while using stock valve locks. By combining quality components in a package that does not require any machining, the kit is developed to make your valve train upgrade as easy as possible!
Features:
- No Machining Required!
- Includes beehive springs, retainers, and metal body Viton valve seals
COMP Cams Magnum 5.2L/5.9L Drop-in Valve Spring Kit allows up to .500" lift for aggressive lobe profiles. The kit includes beehive valve springs, retainers, and Metal-body Viton valve Seals while using stock valve locks.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Valve float at high RPM during acceleration
- Loss of power at higher engine speeds
- Misfire or hesitation under heavy load
- Ticking noise from valvetrain at idle
- Rough idle after installing performance camshaft
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0341 – Cam Pos Snsr A Ckt Range/Perf
Relevant Conversations
- valve float at 5000 RPM Magnum 5.9
- best drop-in valve springs for 5.2L Magnum
- COMP Cams 26986MCS-KIT review forum
- upgrade valve springs .500 lift cam
- symptoms of weak valve springs high rpm
- P0300 after cam install fix
- beehive vs conventional valve springs comparison
- Magnum cylinder head valve spring upgrade kit
- where to buy COMP Cams drop-in spring kit
- no machining valve spring install Magnum
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | COMP Cams |
| Part Number | C007 26986MCS-KIT |
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