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2.750" 14mm Belt Drive for
Big Twin
[EV-40349]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 14mm belt with 46T on transmission and 30T on engine (ratio 1.5333)
- 2-3/4” wide belt
- Six springs or Diaphragm spring
- Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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2.750" 14mm Belt Drive for
Big Twin without Guard
[EV-40349A]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 14mm belt with 46T on transmission and 30T on engine (ratio 1.5333)
- 2-3/4” wide belt
- Six springs or Diaphragm spring
- No Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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2.750" 8mm Belt Drive for
Big Twin
[EV-40149]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 8mm belt – 80T on transmission & 52T on engine (ratio 1.5384)
- 2-3/4” wide belt
- Six springs or Diaphragm spring
- Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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2.750" 8mm Belt Drive for
Big Twin without Guard
[EV-40149A]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 8mm belt – 80T on transmission & 52T on engine (ratio 1.5384)
- 2-3/4” wide belt
- Six springs or Diaphragm spring
- No Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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3.750" 14mm Belt Drive
for Big Twin
[EV-40450]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 14mm belt with 46T on transmission and 30T on engine (ratio 1.5333)
- 3-3/4” wide belt
- Six springs or Diaphragm spring
- Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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3.750" 14mm Belt Drive for
Big Twin without Guard
[EV-40450A]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 14mm belt with 46T on transmission and 30T on engine (ratio 1.5333)
- 3-3/4” wide belt
- Six springs or Diaphragm spring
- No Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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3.750" 8mm Belt Drive for
Big Twin
[EV-40250]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 8mm belt – 80T on transmission & 52T on engine (ratio 1.5384)
- 3-3/4” wide belt
- Six springs or Diaphragm spring
- Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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3.750" 8mm Belt Drive for
Big Twin without Guard
[EV-40250A]
- More clutch area – improves clutch life
- Quieter clutch
- Runs 8mm belt – 80T on transmission & 52T on engine (ratio 1.5384)
- 3-3/4” wide belt
- Six springs or Diaphragm spring
- No Belt Guard
- Lighter than most belt drives
- Unique “Double-Basket” life
- Fits most Big Twins
Manufactured to fit Evolution Industries inner clutch hub only.
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3” XL Belt Drive for Sportsters
[EV-40044]
- Runs 8mm belt - 45T on engine sprocket, and 72T on clutch basket
- Uses 6 Kevlar friction plates & 6 steel plates
6 Springs
- Utilizes the original clutch mechanism
- The only belt drive for OEM Sportsters that is manufactured in the
U.S.A.
- Fits all 5-speed Sportsters, 1991-2003
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Billet Belt Guards
[EV-170]
- Fits most 3” open belt drives
- 3-piece design
- Machined from 6061 billet aluminum
- Chrome or Polish Finish
- Designs available – Plain, Diamond Milled or Ball Milled
- Mounting bracket and hardware included. Bolt size 5/16” x 1-1/2”
Available Options:
Finish: Plain, Diamond, Milled Ball, Milled
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