The James Super Nut Kit for 1936-1985 Big Twin with Chain Final Drive by James Gaskets is displayed next to a metal engine part, featuring a selection of gaskets, seals, and hardware components—including a four-speed transmission seal—neatly arranged on a white surface.
The James Super Nut Kit for 1936-1985 Big Twin with Chain Final Drive by James Gaskets is displayed next to a metal engine part, featuring a selection of gaskets, seals, and hardware components—including a four-speed transmission seal—neatly arranged on a white surface.
The James Super Nut Kit for 1936-1985 Big Twin with Chain Final Drive by James Gaskets is displayed next to a metal engine part, featuring a selection of gaskets, seals, and hardware components—including a four-speed transmission seal—neatly arranged on a white surface.

James Super Nut Kit for 1936-1985 Big Twin w/ Chain Final Drive

Regular price$51.95

SKU: 110-0336

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Add Transmission Jig

Holds four-speed Harley Big Twin transmissions securely in your vise during service

Add Transmission Pulley/Sprocket Tool

Special service tool removes and installs pulleys and sprockets with ease

Add Clutch Hub Holding Tool

Permits removal and installation of the clutch hub nut without a primary belt or chain installed

Add Clutch Hub Puller Tool

Used to remove Big Twin four-speed Harley-Davidson clutch hubs from tapered mainshaft

Add Clutch Hub

Lining preinstalled

Add Clutch Long Roller Conversion Kit

Long rollers help the clutch shell run true with the mainshaft and clutch hub for consistent, even clutch engagement

Add Clutch Pack Retaining Tool

Specially sized washer permits removal of the pressure plate, clutch springs, and spring retainer as a unit

Add Clutch Hub Basket Retainer Kit

Prevents clutch-hub "walk-out" that can cause grabby clutch or dragging even when clutch is engaged

Add Clutch Friction Discs

Add Steel Discs

Add Oil

Big Twin primary-specific fluid (1 qt.)

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James Super Nut Kit for 1936-1985 Harley-Davidson Big Twin With Chain Final Drive

A leaking four speed is often cause for total overhaul or at least a stopgap mid-season solution.

  • Kit contents:
    • Super Nut
    • Tabbed lock washers
    • Two seals to double-stack in the clutch hub nut
    • That little bitty main drive gear spacer key that gets lost and left out of many rebuilds
  • Made in USA

The fourth gear mainshaft seal is a known transmission oil loss area. Whether you've got an active leaker or want to "belt and suspenders" this area during a rebuild, a Super Nut can help you keep your jockey-, rotary-, or ratchet-top dry.

The Super Nut is Super because it has an integrated seal, unlike the OEM units. Coupled with the double-stacked seal for the hub nut, it can help account for wear in the main drive gear bushing. 

With a Super Nut in service, walking out to see a puddle under your primary side in the mornings will be a thing of the past.

  • 1936-1984 Harley-Davidson Big Twin with four-speed transmission
  • If used with open belt drive on eared (cast primary-type) transmissions and mainshaft support bearing, spacers for each ear will be required to provide adequate clearance
  • 110-0336; replaces DS-194076, JGI-35211-36DL, 17-1498, 12-0479, 35211-36

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