DEI Vapor Block Fuel Line Sleeve for Vapor Lock Prevention

DEI Vapor Block Fuel Line Sleeve — Prevent Vapor Lock DEI Vapor Block is a split fuel line sleeve engineered to reduce heat transfer and prevent vapor lock, keeping fuel cooler for reliable starts and smooth idling. Model: 5/8 in (16 mm) ID × 36 in length Design: Split sleeve with adhesive flap — installs without disconnecting lines Material: Glass fiber and polyester core laminated to an aluminum outer layer for long-lasting thermal protection Use: Ideal for fuel lines; also effective on cables, hoses, and other lines needing heat protection Installation: Wrap around the line, remove adhesive liner, press flap in place; easy to cut to length Benefits: Prevents boiling and vapor lock caused by extreme heat, reduces rough idling and hard starting, and avoids costly repairs or modifications. Important: Do not apply directly to exhaust components. Items with custom cut patterns or lengths are non-returnable.