This overdrive allows anyone with any Yamaha snowmobile to get more top speed by forcing the clutching system to shift into overdrive. All sheaves are CNC Machined. (Shims are required for this sheave to work and are included.)

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Aluminum overdrive sheave

$119

This roller secondary is CNC machined from solid aluminum, and is combined with strong rollers for quicker shifting, and longer life.  Machining is required for installation.  Call with questions.

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Roller secondary (Installation $50)

$199

We offer helixes as well, which are quite possibly the cheapest way to go faster.  The right helix will get more of your horsepower to the track and that is really the only horsepower that counts.  We carry many helixes that work and will cut any helix you want.  Call with questions. When ordering enter angle(s) into the blank(s) using 2 digit numbers.

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Pre-cut helix (Straight)

$89

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Pre-cut helix (Multi-angle)

$89

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Custom-cut helix

$99

We offer Springs to help you dial in your sled to perform better.  These springs coupled with a helix will make you go faster than you have before.  Colors are on the price sheet.  Call with questions. When ordering enter 6 character part # from price sheet into the blank in the part number.

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Primary spring

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Secondary spring

We offer weights to help you dial in your sled to perform better. These weights will help your acceleration tremendously and let you adjust your engagement RPM. Weight is on the price sheet. Call with questions. When ordering enter 6 character part # from price sheet into the blank in the part number.

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Clutch weights