SCOSCHE SAGMSV656 2014-Up Chevrolet Silverado or Sierra 6.75&rdquo; to 6.5&rdquo; or 5.25&rdquo; Front Door Speaker Adapter Pair UPGRADE YOUR SPEAKERS: Adapters enable you to upgrade your factory 6.75 to 6.5 or 5.25 aftermarket speakers into the actual factory door locations. SPEAKER COMPATIBILITY: Fits most 6.5 or 5.25 aftermarket speakers. VEHICLE COMPATIBILITY: 2014-Up Chevrolet Silverado or Sierra vehicles. QUALITY MATERIALS: High-grade ABS materials designed for a long lasting, secure fit. WHATS INCLUDED: One pair of speaker adapters and eight screws for mounting 5.25 spacers. BUY WITH CONFIDENCE: Backed by Scosche's Lifetime Tech Support and Limited Lifetime Warranty