Athena Big Bore Piston Kit β 97.95mm YFZ450R/X (2004-2013)
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π Athena Forged Big Bore Piston Kit β 97.95mm (Yamaha YFZ450R/X)
Upgrade your Athena big bore setup with this 97.95mm Forged Piston Kit, designed for max compression, high RPM durability, and serious horsepower. Built from 2618 forged aluminum and tested under racing conditions, this piston is ideal for high-performance YFZ450 builds running Athena big bore cylinders.
β Whatβs Included
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Athena 97.95mm forged piston
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Piston rings
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Wrist pin
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Circlips
π¦ Fitment
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2004β2011 Yamaha YFZ450 (carbureted)
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2009β2013 Yamaha YFZ450R
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2010β2011 Yamaha YFZ450X
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Designed for use with Athena big bore cylinders only
βοΈ Features
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High-strength 2618 forged aluminum construction
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12.4:1 compression ratio
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Optimized for racing and high-load environments
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Engine dyno and track tested under progressive stress
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Handles thermal and mechanical extremes
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Ideal for 4-stroke ATV performance builds
π‘οΈ Warranty
Backed by Athenaβs limited warranty against manufacturing defects.
π¦ Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: MondayβThursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2β4 weeks
- EVP exhaust systems: 2β4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact usβwe respond within 24 hours.
