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Start ShoppingCometic C9328F5 Evo Big Twin Cam Service Kit - Premium Gasket Kit for Harley-Davidson Engines
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Description
Upgrade your Harley-Davidson Evolution Big Twin's performance with Cometic's premium cam service gasket kit. This essential maintenance tool ensures reliable engine operation and long-term durability for riders who demand top-tier performance.
Key Features
- Comprehensive Gasket Set: Includes cam cover, lifter blocks, and other critical seals for complete cam service coverage
- USA-Made Quality: Manufactured in the United States with precision-engineered materials for superior sealing performance
- Engine-Specific Design: Tailored for Harley-Davidson Evolution Big Twin engines to ensure perfect fitment and function
- Industry-Standard Components: Uses high-performance materials that meet or exceed OEM specifications
Why Choose This Product
Cometic's cam service kit provides riders with a reliable solution for maintaining engine integrity. The carefully selected gaskets and seals help prevent leaks and ensure optimal compression, while the USA manufacturing ensures quality control. This kit simplifies complex cam service procedures by including all necessary components in one package, saving time and reducing downtime. Whether you're performing routine maintenance or addressing performance issues, this kit delivers the reliability you expect from a trusted powersports brand.
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Upgrade your Harley-Davidson Evolution Big Twin's performance with Cometic's premium cam service gasket kit. This essential maintenance tool ensures reliable engine operation and long-term durability for riders who demand top-tier performance.
Key Features
- Comprehensive Gasket Set: Includes cam cover, lifter blocks, and other critical seals for complete cam service coverage
- USA-Made Quality: Manufactured in the United States with precision-engineered materials for superior sealing performance
- Engine-Specific Design: Tailored for Harley-Davidson Evolution Big Twin engines to ensure perfect fitment and function
- Industry-Standard Components: Uses high-performance materials that meet or exceed OEM specifications
Why Choose This Product
Cometic's cam service kit provides riders with a reliable solution for maintaining engine integrity. The carefully selected gaskets and seals help prevent leaks and ensure optimal compression, while the USA manufacturing ensures quality control. This kit simplifies complex cam service procedures by including all necessary components in one package, saving time and reducing downtime. Whether you're performing routine maintenance or addressing performance issues, this kit delivers the reliability you expect from a trusted powersports brand.| SKU | GM152E0B60 |
|---|---|
| MPN | C9328F5 |
| Brand | Cometic |
| Category | Gaskets/Seals |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Harley-Davidson | Big Twin (Evo) | 1984-1999 |
Frequently Asked Questions
It is designed for Evolution Big Twin engines generally (approx. 1984–1999), but you should confirm exact model/year coverage against a current Cometic catalog or retailer fitment tool before purchase.
No. It is a cam service/top-end style kit focused on gaskets and seals needed for cam service on Evo Big Twin engines, not a full engine gasket kit.
No. C9328F5 is a gasket/service kit only. Camshafts, bearings, and other hard parts must be purchased separately.
Follow the Harley-Davidson service manual and any Cometic instructions. Some joints may be installed dry with just the gasket, while others may call for a thin film of approved sealant.
Yes, if you are comfortable working inside the cam area of an Evo Big Twin and have a factory manual and proper tools. Many riders prefer to have a professional shop do the work if they lack engine experience.
Installation Guide
Difficulty
Medium
Est. Time
3 hr 0 min
Tools Required
- basic SAE socket and wrench set
- torque wrench (inch-lb and ft-lb ranges)
- Allen/hex key set (SAE)
- scraper or plastic razor for gasket removal
- brake cleaner or gasket surface cleaner
- shop rags
- service manual for torque specs and sequence
Pro Tips
- Dry-fit each gasket to confirm orientation and hole alignment before applying sealant or installing bolts.
- Use brake cleaner and lint-free rags to ensure all oil and debris are removed from mating surfaces.
- Hand-start all bolts and snug in a cross-pattern before final torque to avoid warping covers.
- After first heat cycle, inspect for weeping around cam cover and related joints and re-torque if the manual allows.
Common Mistakes to Avoid
- Reusing old gasket material or not fully cleaning mating surfaces, causing leaks.
- Over-tightening cam cover and lifter block bolts and warping covers.
- Using excessive RTV or sealant where a dry gasket is specified, leading to squeeze-out into the engine.
- Not following the proper torque sequence from the factory service manual.
Comparison vs Stock/OEM
Aftermarket gasket kit intended to replace OEM Harley-Davidson gaskets for Evo Big Twin cam service.
Improvements
- Consolidates commonly needed gaskets and seals for cam service into a single kit.
- Uses Cometic performance gasket materials, which enthusiasts often prefer for durability and sealing on performance builds.
Considerations
- Must verify fitment and contents against the specific Evo Big Twin model and year.
- Does not include hard parts (cams, bearings, hardware); it is a gasket/service kit only.
Durability & Warranty
Warranty
Standard Cometic limited warranty against defects in materials and workmanship (exact terms vary by region/retailer).
Maintenance
No special maintenance beyond normal engine service intervals; inspect for leaks at cam cover and related joints after initial heat cycles.
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