✓ VERIFIED
Oct 1, 2023
Excellent set
Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10
JAMES GASKETS
SKU: 681-4463
James Gaskets Big Twin Tappet Block Gasket - Rear Paper .020 10/PK 18633-48-D — Harley-Davidson (1991-1999)
$12.95
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James Gaskets big twin tappet block gasket in .020 paper thickness, sold in a 10-pack for engine rebuilds or multi-bike service. OEM-spec replacement for V-twin engines requiring a rear tappet block seal.
Features
- 10-pack quantity
- Made in the U.S.A.
- Paper construction .020 thickness
- Direct OEM replacement
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 18633-48-D
- Quantity: 10 per pack
- Length: 4.1 in
- Width: 2.95 in
- Height: 0.6 in
- Weight: 0.038 lbs
Fitment
Fits V-twin engines including Harley-Davidson Big Twin and Indian Motorcycle platforms requiring a rear tappet block gasket.
Frequently Asked Questions
What thickness is this gasket?
.020 paper construction — engineered to OEM specification for proper tappet block sealing.
Why is it sold in 10-packs?
10-pack quantity is ideal for shops, fleets, and engine builders who service multiple bikes or rebuild engines regularly.
Is this an OEM Harley or Indian part?
James Gaskets manufactures this to OEM specifications. It is a direct-fit replacement gasket for Big Twin and Indian V-twin engines.
| BRAND | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-4463 |
| WEIGHT | 0.04 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
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14 RATINGS
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✓ VERIFIED
Sep 11, 2023
Good quality
Breaking engine in right now and everything is holding tight. Very pleased
✓ VERIFIED
Aug 28, 2023
Gasket set
Great gasket set, includes everything you need to reseal top end.
✓ VERIFIED
Jul 31, 2021
Quality parts in a timely manner
✓ VERIFIED
Mar 29, 2021
Fit like it should, super quick shipping
✓ VERIFIED
Mar 21, 2021
Gasket set seems to be of good quality. Everything fit just like oem gaskets and seals but made better lol. So far so good, Everything is nice a dry now.
