✓ VERIFIED
Jan 16, 2020
Almost identical to OEM. Good fit. I did miss that they are sold as each and not as a pair. Small detail and my fault but it did slow my project down a bit.
COMETIC
SKU: 68-9523
Cometic Panhead/Shovelhead/Evo Big Twin Seal - EVO 5/PK EVO Oe#35230-39dl — Harley-Davidson (1955-1999)
$28.01
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Cometic panhead/shovelhead/evo big twin seal engineered for V-twin motorcycle engines. OEM replacement specification designed to seal critical engine interfaces on classic and modern big twin platforms.
Features
- 5-pack quantity
- OEM specification replacement
- For Panhead, Shovelhead, and Evolution big twin engines
Specifications
- Brand: Cometic
- Manufacturer Part #: C9523
- Quantity: 5 per pack
- Weight: 0.34 lbs
Fitment
Fits Harley-Davidson and Indian Motorcycle V-twin engines including Panhead, Shovelhead, and Evolution big twin platforms.
Frequently Asked Questions
Is this an OEM equivalent or aftermarket upgrade?
This is an OEM-specification replacement seal made by Cometic to match factory engineering standards.
How many seals are in a pack?
The pack contains 5 seals — enough for one engine rebuild with spares.
Will this fit both Harley and Indian big twins?
Yes — this seal fits V-twin engines across Harley-Davidson and Indian Motorcycle platforms that use this specification.
What engines does this seal?
Designed for Panhead, Shovelhead, and Evolution big twin engines in V-twin motorcycles.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9523 |
| WEIGHT | 0.34 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.87
15 RATINGS
5★
13
4★
2
3★
0
2★
0
1★
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✓ VERIFIED
Oct 18, 2021
Great seals and gaskets do the job once when you use quality gaskets
✓ VERIFIED
Sep 26, 2019
Seal good and I haven't had any issues..
✓ VERIFIED
Jun 27, 2025
It worked like it was suppose to, delivery was quick. <br />Pleased.
✓ VERIFIED
Dec 19, 2023
Just what I needed
Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.
✓ VERIFIED
Jun 12, 2023
Cometic from here on out
These seals are the only ones I'll use. others came close but, for me, these are best.
