Vertex Top End Kit 99.95mm Cast Replica 9:1 – Yamaha YFM660R Raptor 660 (2001–2005) (174-23104)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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✓ Fits:
- 2001-2005 Yamaha YFM660R Raptor 660
✓ Features:
- 99.95mm Cast Replica piston — Gravity cast aluminum alloy with 18% silicone — extremely light but very strong
- 9:1 compression ratio for improved power and torque across the RPM range
- Piston skirt coated with Molybdenum Disulfide for faster break-in and longer piston life
- DLC coated wrist pins on forged pistons for reduced friction
- All pistons heat treated with T-5 hardening and tempering cycle
- All rings are OEM replacements
- Complete kit — everything needed for a full top end rebuild
✓ What's Included:
- Piston, rings, wrist pin, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable
Ships fast from DuneGoonShop!
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
