Uncover the essence of your 87 Honda TRX 350 4x4 Fourtrax's engine with these genuine valve tappet covers. Bearing the OEM part number 12351-428-000, these covers are designed to fit perfectly, ensuring a seamless seal to maintain your engine's integrity and performance. Crafted with the precision you'd expect from Honda, these valve tappet covers originate from Japan, assuring quality and reliability. They are an essential component for any Honda enthusiast looking to keep their ATV running smoothly while adding a touch of original aesthetics to their ride.