JAMES GASKETS SKU: 681-4382

James Gaskets Big Twin Gasket Kit - Motor EVO W/MLS Head Gaskets KIT 17035-83-M… — Harley-Davidson (1984-1991)

$171.95
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NOT SURE ABOUT FITMENT?

James Gaskets Big Twin gasket kit with MLS head gaskets for Evolution engines, containing all primary gaskets and seals needed for a complete motor rebuild or top-end service. MLS head gaskets provide superior sealing under high compression and heat cycling.

Features

  • MLS head gaskets included
  • Complete motor gasket set
  • All primary engine seals and gaskets
  • Direct fit Evolution Big Twin engines

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 17035-83-MLS
  • Length: 9.2 in
  • Width: 7.2 in
  • Height: 1.3 in
  • Weight: 0.959 lbs

Fitment

Fits Harley-Davidson Evolution Big Twin engines for complete motor rebuild or top-end gasket replacement.

Frequently Asked Questions

What gaskets are included in this kit?

All primary engine gaskets and seals needed for a full motor rebuild or top-end service, including MLS head gaskets.

Will this fit my Twin Cam or Milwaukee-Eight engine?

No — this kit is specific to Evolution Big Twin engines. Twin Cam and Milwaukee-Eight engines require different gasket sets.

Do I need any additional gaskets for a complete rebuild?

This kit covers primary engine seals. Verify your specific rebuild scope with your shop to confirm no supplemental gaskets are needed for your application.

What are MLS head gaskets?

MLS (Multi-Layer Steel) head gaskets provide improved sealing and durability compared to traditional gaskets, especially under high compression and heat.

BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4382
WEIGHT0.96 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