Twin Power 90-93 Big Twin 9 Tooth Starter Pinion Gear Use With 66T Ring Gear

Twin Powerâ„¢ starter pinion gears match 66T or 102T ring gears for 1990-2006 Big Twin starters.

• 9-tooth gears pair with 66-tooth ring gears; 10-tooth with 102-tooth
• Essential for starter rebuilds addressing stripped gear failures
• Hardened steel teeth withstand high starter loads without premature wear

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

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Reference Information