JAMES GASKETS SKU: 681-4415

James Gaskets Big Twin Gasket Kit - Trans Sprocket FLT FXR Softail Dyna KIT 120… — Harley-Davidson (1984-1992)

$27.95
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James Gaskets Big Twin Gasket Kit for transmission sprocket installation on Harley FLT, FXR, Softail, and Dyna models. Complete gasket and seal set designed to ensure proper transmission case sealing during sprocket replacement or rebuild work.

Features

  • Complete transmission sprocket gasket set
  • All seals included for transmission case
  • OEM-equivalent sealing performance
  • Fits Big Twin FLT, FXR, Softail, and Dyna platforms

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 12050-K
  • Length: 5.75 in
  • Width: 7.45 in
  • Height: 0.65 in
  • Weight: 0.207 lbs

Fitment

Fits Harley-Davidson Big Twin transmission sprocket installations on FLT Touring, FXR Super Glide, Softail, and Dyna model platforms.

Frequently Asked Questions

What gaskets are included in this kit?

All seals and gaskets needed for transmission case sealing during sprocket replacement or rebuild — exact contents match OEM Harley kits.

Will this fit my Twin Cam Softail?

Yes — this kit works on Softail models with Big Twin engines, including both Twin Cam and older generation platforms.

Do I need any other seals or gaskets for a complete sprocket job?

This is a complete transmission sprocket gasket set. It includes everything required for proper case sealing during installation.

Is this a direct OEM replacement?

Yes — James Gaskets manufactures these kits to OEM specifications as direct replacements for Harley transmission case work.

BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4415
WEIGHT0.21 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.86
28 RATINGS
5★ 24
4★ 4
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Mar 8, 2021

Better gaskets than oem never had a leak on any bike I've put them on!

— Anonymous
✓ VERIFIED
Oct 9, 2023

No surprise

Perfect. Exactly what i expected.

— Thomas A
✓ VERIFIED
Jan 18, 2023

Very good kit everything you need for topend build

— Anonymous
✓ VERIFIED
Oct 18, 2022

Perfect fit

— Anonymous
✓ VERIFIED
Mar 5, 2022

looks like all the gaskets i need to rebuild my top end are in the kit right now im tearing down and prepping

— Anonymous
✓ VERIFIED
Feb 1, 2022

First time doing top end rebuild. Pleased with the quality- everything was there so hopefully they do what they are supposed to. Pleased with the purchase.

— Anonymous