Spark & Fastener Marker Sticker Set Enhance Your Competition Vehicle. This A4-sized sticker sheet includes a selection of high-visibility spark and fastener markers designed for motorsport use. Whether you're prepping for inspection or maintaining compliance, these stickers are essential for competitive vehicles. Key Features Sheet Size: A4 Sticker Types: Assorted spark and fastener markers in two sizes Motorsport Compliance: Arrow stickers meet D1GP and D1Lights technical regulations Durable Adhesive: Designed for secure application in demanding conditions Installation Notes Apply only to clean, dry surfaces for optimal adhesion Recommended for use in track, drift, or racing setups This sticker set is a must-have for drivers, mechanics, and teams seeking regulatory compliance and clear fastener tracking on competition vehicles.