Collection:
Transmission - BT 4 spd era
20 productsShop the range of aftermarket motorcycle transmission & final drive products at Pro Class Custom Parts.
Categories
Apparel
Brakes
-
Brake Disc Rotors
-
Brake Pads
-
Brake Upgrades - Front
-
Brake Upgrades - Rear
Cables & Hydraulic Lines
-
Cables & Hyd. Lines - Black
- Cables & Hyd. Lines Indian & Victory
- Cables & Hyd. Lines V-Rod & Street
- Clutch Cables 4 spd BT Black
- Clutch Cables 5 spd BT Black
- Clutch Cables 6 spd BT Black
- Clutch Cables XL'04UP Black
- Clutch Cables XL'86-03 Black
- Ready Made Front Brake Lines Black
- Ready Made Hyd. Clutch Lines Black
- Ready Made Rear Brake Lines Black
- Universal Hyd Lines & Fittings Black
-
Cables & Hyd. Lines - Chromite
Chassis & Sheet Metal
-
Engine Guards & Swingarms Etc
-
Engine Mounts & Jiffy Stands
-
Fenders & Associated Parts
-
Fuel Tanks & Related Parts
-
Oil Tanks & Associated Parts
-
Rear Belt & Chain Guards
-
Side Covers & Frame Covers etc.
Chrome Mounting Hardware
-
Bottom End Hardware
-
Complete Engine Showbike Kits
-
Front & Rear End Hardware
-
General Workshop Hardware
-
Top End & Rocker Hardware
Clutch & Primary Drive
-
Belt Drive Primary
-
Chain Drive Primary
Electrical
-
Charging Systems & Components
-
Ignition Systems & Components
-
Starter Motors & Components
-
Wiring Harness & Associated
Engine
-
Engine Power Pack & Hot Up Kits
-
Cam Chest & Cams & Oil Pumps
-
Complete Engines
-
Crankcase & Bottom End
-
Cylinder Heads & Components
-
Cylinders & Pistons
-
Oil & Engine Coolers & Parts
-
Pushrods+Cvrs & Lifters+Blocks
-
Rocker Covers & Rockers
Exhaust - Spare Parts Only
Exhaust - Systems & Mufflers
-
Exhaust Headers
-
Exhaust Mufflers
- Mufflers (BMW)
- Mufflers (Breakout)
- Mufflers (Can-Am)
- Mufflers (Dyna)
- Mufflers (Honda)
- Mufflers (Indian all touring)
- Mufflers (Indian Cruiser/Chief)
- Mufflers (Indian FTR)
- Mufflers (Indian Scout)
- Mufflers (Kawasaki)
- Mufflers (Multi Model Fitment)
- Mufflers (Nightster Special)
- Mufflers (Pan America)
- Mufflers (Polaris)
- Mufflers (Royal Enfield)
- Mufflers (Softail)
- Mufflers (Sportster)
- Mufflers (Street)
- Mufflers (Street '15-20)
- Mufflers (Touring & Trike)
- Mufflers (X350)
- Mufflers (X500)
-
Exhaust System 2:1
- Breakout (2:1)
- Dyna (2:1)
- Honda (2:1)
- Indian Challenger/Pursuit (2:1)
- Indian Cruiser/Chief (2:1)
- Indian Scout (2:1)
- Indian Touring/Bagger (2:1)
- Kawasaki (2:1)
- Nightster Special (2:1)
- Rocker (2:1)
- Royal Enfield (2:1)
- Softail (2:1)
- Sportster (2:1)
- Sportster S (2:1)
- Street (2:1)
- Touring & Trike (2:1)
- V-Rod (2:1)
- Yamaha (2:1)
-
Exhaust System 2:2
Foot Controls
- Air Shifters & Components
-
Floor Boards & Components
-
Foot Controls & Extensions
-
Foot Pegs & Shifter Pegs
-
Footpeg Mts, Adapters & Offsets
-
Spare Parts - Foot Brake
-
Spare Parts - Foot Shift
Fuel & Air Systems
-
Air Cleaner Kits & Components
-
Carburettor Kits & Components
-
Fuel - Taps & Lines & Filters
-
Fuel Injection & Components
-
Inlet Manifolds & Clamps etc
Gasket Kits & Gaskets & Seals
-
Gaskets Complete Engine Kits
-
Gaskets Primary
-
Gaskets Top End & Rocker
-
Gaskets Transmission
Handlebars & Controls
-
Hand Control Kits
-
Hand Grips & Throttle
- Handlebar Accessories
-
Handlebars & Risers H-D
- Handlebar Risers - Black
- Handlebar Risers - Chrome
- Handlebars 1" - Black
- Handlebars 1" - Chrome
- Handlebars 1-1/2" - Black
- Handlebars 1-1/2" - Chrome
- Handlebars 1-1/4" - Black
- Handlebars 1-1/4" - Chrome
- Risers 1" Clamp - Black
- Risers 1" Clamp - Chrome
- Risers 1-1/2" Clamp - Black
- Risers 1-1/2" Clamp - Chrome
- Risers 1-1/4" Clamp - Black
- Risers 1-1/4" Clamp - Chrome
- Risers 1-1/8" Clamp - Black
- Risers 1-1/8" Clamp - Chrome
- Handlebars & Risers Indian
-
Mirrors
Instruments & Gauges
-
Gauges - Bagger & Dresser
-
Oil+Volt+Temp & Other Gauges
-
Speedo 3-3/8" Tank & Bar MT
-
Speedo 4.5" Tank Mt 1936-03
-
Speedo 4.5" Tank Mt 2004up
-
Speedo Dash's & Bases & Other
-
Speedo Drives+Sensors+Cables
-
Speedos & Mts Custom App.
-
Tachometer
Lighting
- Accessory Lighting
-
Headlights & Associated
-
Passing Lamps & Associated
-
Tailights & Associated
-
Turn Signals & Associated
Oil Filters
Seats & Sissy Bars
-
Accessories for Seats & S/Bars
-
Dual Seats
- Dyna Dual Seats
- FXR Dual Seats
- Indian Dual Seats
- Metric Dual Seats
- Pan America Dual Seats
- Softail Dual Seats 1984-2017
- Softail Dual Seats 2018up
- Sportster Dual Seats
- Street 500/750 Dual Seats
- Touring (FLH) 1991-2007 Dual Seats
- Touring (FLH) 2008-2023 Dual Seats
- Touring (FLH) 2024up Dual Seats
- Vintage (1936-84) Dual Seats
-
Pillion Pads
-
Sissy Bar Side Straps
- Sissy Bar Uprights & Pads
-
Solo Seats
- Custom or Universal Solo Seats
- Dyna Solo Seats
- FXR Solo Seats
- Indian Solo Seats
- Softail Solo Seats (1984-2017)
- Softail Solo Seats 2018up
- Sportster Solo Seats
- Street 500/750 Solo Seats
- Touring (FLH) 1991-2007 Solo Seats
- Touring (FLH) 2008-2023 Solo Seats
- Touring (FLH) 2024up Solo Seats
- Vintage(1936-84) Solo Seats
Suspension
-
FXR
-
Front Susp. Related
-
Front Suspension: 35 & 39mm
-
Front Suspension: 41mm
-
Front Suspension: 49mm
- Rear Shocks Related - Universal
-
Rear Shocks: Dyna
-
Rear Shocks: FLH
-
Rear Shocks: HD Street
-
Rear Shocks: HD Trike
-
Rear Shocks: Indian & Victory
-
Rear Shocks: Metric
-
Rear Shocks: Softail
-
Rear Shocks: V-Rod
-
Rear Shocks: Vintage
-
Rear Shocks: XL'04up
-
Universal Suspension
-
XL'79-03
Tires & Wheels
-
Arlen Ness Wheels
-
Axles & Related Components
-
OEM Wheels & repl Components
-
Performance Machine Wheels
-
Renegade Wheels
-
Spoke Wheels
Tools & Supplies
-
General Workshop Equipment
-
Harley-Davidson Specific Tools
-
Indian & Victory Tools
Transmission & Final Drive
-
Final Drive
-
Transmission - BT 4 spd era
-
Transmission - BT 5 spd era
-
Transmission - BT 6 spd era
-
Transmission - XL 4 spd era
-
Transmission - XL 5 spd era
Windshields & Luggage
4th Main Drive Gear. Fits 4Spd Big Twin 1936-1976.
Regular price
$557.99
Sale price
$557.99
Regular price
Unit price
/per
Stock main drive gear (4TH) 26 Teeth.
* (1936-1976) loose rollars OEM 35065-65
* Replacement 4th gears are made with wider drive slots and steeper lead-in ramps for more positive 3-4 shifting.
Countershaft Gear. Fits 4Spd Big Twin 1936-1976.
Regular price
$472.99
Sale price
$472.99
Regular price
Unit price
/per
* OEM 35700-36 (loose rollars)
* Replacements for stock countershaft 3rd gear cluster.
* With Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better.
Kickstart Shaft. Fits 4Spd Big Twin 1936-1986.
Regular price
$307.99
Sale price
$307.99
Regular price
Unit price
/per
* High-quality steel replacement shaft
* Machined for an exact fit
* Made in the U.S.A.
* Replaces OEM # 33096-54
Transmission Gear Kit. Fits 4Spd Big Twin 1936-1976
Regular price
$2,490.99
Sale price
$2,490.99
Regular price
Unit price
/per
Gear Kit
* Includes all 6 gears, 2 shift clutches and 2 forks.
* Shafts and small parts kits must be ordered separately.(early c/s required… uses stock loose rollers oem#9084 = rollers need to b...
Transmission Gear Kit. Fits 4Spd Big Twin 1977-1986
Regular price
$2,566.99
Sale price
$2,566.99
Regular price
Unit price
/per
Gear Kit
* Includes all 6 gears, 2 shift clutches and 2 forks.
* Shafts and small parts kits must be ordered separately.
* Andrews 4 speed gears, transmissions last longer, shift faster, and jus...
Website designed & supported by Mama Design Studio
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
