JAMES GASKETS SKU: 681-4466

James Gaskets Panhead/Shovelhead Front Tappet Block Gasket Paper .030 10-Pack - Harley-Davidson

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About James Gaskets

James Gaskets has supplied American V-twin gaskets, seals and O-rings for decades and is one of the most widely stocked names for Harley-Davidson engine, primary and transmission rebuilds. When a service manual calls for a specific gasket, James almost always has an exact-fit answer.

Ensure a tight seal on your Panhead or Shovelhead's front tappet block with this James Gaskets paper gasket. Precision-cut to .030 inch thickness, it's designed to meet OEM specifications for reliable performance on vintage V-twin engines. This 10-pack is an essential for any serious builder or mechanic.

Why riders pick this

  • OEM-spec for Panhead and Shovelhead front tappet blocks
  • Durable .030 inch paper construction
  • Ensures reliable, leak-free sealing
  • Convenient 10-pack for multiple services
  • Made in the U.S.A

For riders and builders who demand authenticity and reliability for their Panhead or Shovelhead, the James Gaskets front tappet block gasket is a crucial component. Made in the U.S.A. from durable paper stock at a .030 inch thickness, these gaskets are engineered to provide a consistent and leak-free seal. Having a 10-pack on hand means you're always prepared for routine maintenance or comprehensive engine overhauls.

Reliable Sealing for Classic Engines

  • OEM-spec replacement for Panhead and Shovelhead front tappet blocks
  • Durable paper gasket stock at .030 inch thickness
  • Ensures a consistent and reliable seal to prevent oil leaks
  • Bulk 10-pack quantity for shops and multiple builds
  • Made in the U.S.A. for trusted quality

Maintain Your Vintage Harley's Integrity

Keeping your classic Harley-Davidson running without leaks is a point of pride and a necessity for longevity. This 10-pack of front tappet block gaskets from James Gaskets provides the precise fit and sealing capability required for your Panhead or Shovelhead engine. It's a direct replacement, designed to integrate seamlessly into your build. Note that this gasket is not suitable for Evolution, Twin Cam, or Milwaukee-Eight engines.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 18634-48-A/B
  • Material: Paper
  • Thickness: 0.030 in
  • Length: 4.25 in
  • Width: 3.25 in
  • Quantity: 10 per pack
  • Weight: 0.049 lbs

Common questions

What thickness is this gasket?

This paper gasket is .030 inch thick, matching OEM specifications for Panhead and Shovelhead tappet blocks.

How many gaskets are included in the pack?

This product contains a 10-pack of front tappet block gaskets, ideal for professional use or stocking up for future projects.

Will this gasket fit Evolution or Twin Cam engines?

No, this gasket is specifically designed for Panhead and Shovelhead engines and is not compatible with Evolution or Twin Cam platforms.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4466
WEIGHT0.05 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
2 RATINGS
5★ 2
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✓ VERIFIED
Jul 2, 2021

Quality and price as expected.

— Anonymous
✓ VERIFIED
Apr 3, 2019

works great

— Anonymous