Motorcycle Primary & Transmission Covers & Gears
Protect your engine's driveline while elevating its custom look with our Primary & Transmission Covers collection. Explore billet primary covers, derby covers, inspection covers, transmission top lids, and precision internal drive gears designed for leak-free sealing, gear protection, and bold engine styling.
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Custom Chrome 51 Tooth Rear Sprocket Fits For Harley Big Twins 73-85 XL 79-81 Replace 41470-73Fitment: Fit For Harley 4-Speed Big Twins 73-85, and Sportster Models 79-81 Product Information: Top-quality rear sprocket. Replace for 41470-73 / 41470-78T Flat chrome-plated Rear Sprocket. 51 tooth,offset 6mm No instructions. Package Included: 1x Sprocket * California Residents Warning: California's Proposition 65. For more...
- $54.89
- $54.89
- Unit price
- per
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RevTech 4-Speed 2.60:1 Close-Ratio Set Fit For Harley Big Twin models 1936-1964Fitment: Matched close-ratio transmission gear sets for Harley Big Twin models from 36-64. Note: Late 80-early 84 models require Original Equipment countershaft (OEM 35614-80) More Information: RevTech 4-Speed 2.60:1 Close-Ratio Set All of the gears are made from 8620H highstrength chromemoly steel, with gears...
- $479.99
- $479.99
- Unit price
- per
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Custom Chrome Flat Inspection Covers Fit For Harley 4-speed Big Twins 65-86 Softail Wide GlideFitment: Fits For 4-speed Big Twins with forward controls from 65-86 and Softail and Dyna WideGlide models from 86-06. Product Information: All the rubber components contained in this exclusive 17-piece kit are molded froma -Viton - material that resists swelling in all types of...
- $11.69
- $11.69
- Unit price
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Custom Chrome Reinforced Inner Primary Cover Cast Alum Housing Black For Harley Softail 1989-1993Fitment: Fits for Harley Davidson Softail 1989-1993 Models Product Information: Black wrinkle for Rugged, die-cast aluminum construction. Reinforced inner primary covers that have superior strength over the OEM counterpart and can be used as an OEM replacement part but are recommended if you run...
- $198.99
$269.99- $198.99
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Custom Chrome 28Tooth Transmission Drive Pulley 28T Fits For Harley Sportster XL 1991-2003 NewFitment: Fit For Harley Sportster models 1991-2003 Product Information: New 28 tooth Transmission Drive Pulley These transmission drive pulleys are made high grade steel then heat treated to last a long time. A great alternative to the higher price aluminum pulleys. Sold each. No...
- $60.29
- $60.29
- Unit price
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Custom Chrome Chrome Outer Primary Cover Fit For Harley Softail FL FLH 4-Speed 1970-1984Fitment: Fit For Harley Softail 4-speed FL models from 70-84 with chain final drive Product Information: The starter shaft support bearing is installed and additional thrust washers are provided for belt and chain drive. Ready to mount on 8-hole primaries with flat boss for...
- $255.99
- $255.99
- Unit price
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Custom Chrome Reinforced Inner Primary Cover Housings Fits For Harley Softail 1989-1993Fitment: Fits for Harley Davidson Softail 1989-1993 Models Product Information: CHROME plated for Rugged, die-cast aluminum construction. Reinforced inner primary covers that have superior strength over the OEM counterpart and can be used as an OEM replacement part but are recommended if you run...
- $319.99
- $319.99
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RevTech 4-Speed 2.60:1 Close-Ratio Set For Harley Big Twin 70-E77 loose rollersFitment: Matched close-ratio transmission gear sets for Harley Big Twin models from 1970-E77. (loose rollers) Note: Late 80-early 84 models require Original Equipment countershaft (OEM 35614-80) More Information: RevTech 4-Speed 2.60:1 Close-Ratio Set All of the gears are made from 8620H highstrength chromemoly steel,...
- $232.99
$479.99- $232.99
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Custom Chrome Black Outer Primary Cover Fit For Harley Softail FX 4/5-speed Models 1971-1988Fitment: Fit For Harley 4-speed FX and 5-speed Softail models 1971-1988 (small dowel pins) Product Information: Black Cast Early-Style Outer Primary Cover The starter shaft support bearing is installed and additional thrust washers are provided for belt and chain drive. Ready to mount on...
- $194.39
- $194.39
- Unit price
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RevTech 4-Speed 2.60:1 Close-Ratio Set Fit For Harley Big Twin models 1936-1964Fitment: Matched close-ratio transmission gear sets for Harley Big Twin models from 36-64. Note: Late 80-early 84 models require Original Equipment countershaft (OEM 35614-80) Product Information: RevTech 4-Speed 2.60:1 Close-Ratio Set All of the gears are made from 8620H highstrength chromemoly steel, with gears...
- $479.99
- $479.99
- Unit price
- per
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Custom Chrome Kickstart Cover Chrome Fit For Harley 4-speed Big Twin 1936-1986 Repl 33277-36TAFitment: Fit For Harley 4-speed Big Twin models 1936-1986. Product Information: Chrome Heavy-Duty Kickstart Cover for 4-Speed Big Twins Replace For 33277- 36TA The die-cast cover has a thicker wall with recessed, counterbored mounting holes for strength. Note: This kickstart kit may only be...
- $46.79
- $46.79
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Custom Chrome 49 Tooth Rear Sprocket Fit For Harley 4-Speed Big Twins 73-85 Sportster 79-81Fitment: Fit For Harley 4-Speed Big Twins 73-85, and Sportster Models 79-81 Product Information: Top-quality rear sprocket. Flat chrome-plated Rear Sprocket. 49 tooth,offset 6mm No instructions. Package Included: 1x Sprocket * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $54.89
- $54.89
- Unit price
- per
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Custom Chrome 28Tooth Transmission Drive Pulley Fit For Harley Sportster 2004-Up Repl.40379-04Fitment: Fit For Harley Sportster models 2004-Up Product Information: New 28 tooth Transmission Drive PulleyReplace for #40379-04These transmission drive pulleys are made high grade steel then heat treated to last a long time. A great alternative to the higher price aluminum pulleys. Sold each.No...
- $53.99
- $53.99
- Unit price
- per
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MotorFactory Stem Nut Lock Washer Kit Fit For Harley 4-speed FL models 49-84 Touring 80-13Fitment: Fit For Harley 4-speed FL models from 49-84, FXWG, FXST, FXDWG and Touring models from 80-13 (1"-24 thread). Product Information: No instructions. Package Included: 1 x Stem Nut Lock Washers * California Residents Warning: California's Proposition 65. For more Information Please Visit -...
- $11.69
- $11.69
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Custom Chrome Chrome Engine Derby Cover Fit For Harley Big Twin Models 1970-1998Fitment: Fit for Harley Big Twin Models 1970-1998 Product Information: Get that high-tech -racers only - look with our buttonhead -Riveted - chrome covers.Includes mounting hardware. No instructions. Package Included: 1x Engine Cover (as shown in picture) * California Residents Warning: California's Proposition 65....
- $36.99
- $36.99
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Custom Chrome Outer Primary 5-hole Cover Chrome Fits For Harley Softail 1999-2006 Dyna 1999-2005Fitment: Fits for Harley Davidson Softail 1999-2006 and Dyna 1995-2005 Models Product Information: Die-cast aluminum outer primary covers include starter shaft bushing and feature reinforcing ribs for increased strength and rigidity. Replace your scratched or peeling OEM chrome cover, or upgrade from plain aluminum...
- $145.99
$250.99- $145.99
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RevTech 4-Speed Gear Set 2.44:1 Close-Ratio Fit For Harley Big Twin 1977-E1984Fitment: Fit For Harley Big Twin Models Late 1977-E1984 (caged rollers) Note: Late 80-early 84 models require Original Equipment countershaft (OEM 35614-80) More Information: Each set is complete with the proper gears, shifter clutches, mainshaft, countershaft, countershaft bearings and all of the necessary snap...
- $479.99
- $479.99
- Unit price
- per
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RevTech 4-Speed Gear Set 2.44:1 Close-Ratio Fit For Harley Big Twin 1970-E77Fitment: Fit For Harley Big Twin Models 1970-E1977 (loose rollers) More Information: Each set is complete with the proper gears, shifter clutches, mainshaft, countershaft, countershaft bearings and all of the necessary snap rings and thrust washers. The shafts are polished at the spline and...
- $479.99
- $479.99
- Unit price
- per
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RevTech Transmission Gear Set 2.44:1 Close-Ratio Fit For Harley Big Twin 1936-1964Fitment: Fit For Harley Big Twin Models 1936-1964 More Information: Each set is complete with the proper gears, shifter clutches, mainshaft, countershaft, countershaft bearings and all of the necessary snap rings and thrust washers. The shafts are polished at the spline and maindrive bushing...
- $479.99
- $479.99
- Unit price
- per
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Custom Chrome 29Tooth Transmission Drive Pulley Fit For Harley Sportster 2004-Up Repl.40409-04Fitment: Fit For Harley Sportster models 2004-Up Product Information: New 29 tooth Transmission Drive Pulley Replace for #40409-04 These transmission drive pulleys are made high grade steel then heat treated to last a long time. A great alternative to the higher price aluminum pulleys....
- $60.29
- $60.29
- Unit price
- per
