CONDITION: Pulled from a working Yamaha DGX-640 with a GHL88 graded hammer action. Keys are clean with normal cosmetic wear from use. Hinges, pivots, and bushings are intact. No cracks, warping, or broken tabs. Shipped within one day of payment. ? DESCRIPTION: OEM Yamaha 7-key white group from a GHL88 weighted action. This section includes keys C through B, pre-mounted together exactly as shown?ideal for replacing worn, yellowed, noisy, or damaged white keys. These key groups are used across a wide range of Yamaha digital pianos and keyboards that share the GHL/GHE/GHS 88-key architecture, including: ? DGX Series: DGX-640, DGX-630, DGX-650, DGX-660* ? P-Series: P-85, P-95, P-115, P-120, P-140, etc.* ? YDP Arius Series: YDP-140, YDP-160, YDP-181, YDP-S31, etc.* ? Other models using Yamaha?s 88-key graded action (*Some models use GHE/GHS rather than full GHL?buyers should match their key style visually.) Each key group comes exactly as pictured and installs by sliding into the hinge rail and reattaching the hammer rail. No electronics involved. Perfect if you have sticking keys, sluggish return, broken tabs, or cosmetic damage on one octave of your keyboard. ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: Yamaha DGX640 DGX630 DGX650 DGX660 P85 P95 P115 P120 YDP140 YDP160 GHL88 GHE GHS keybed white keys replacement repair