Designed for applications in cars and trucks where petroleum vapors and blow-by gases are recirculated through the intake manifold for total combustion and reduced emissions, and on gasoline engines for fuel line applications, the Dayco Anti-Smog/PCV Hose features a tube and cover compound that resists oil and helps reduce emissions to acceptable EPA levels. The single ply of cord reinforcement provides increased strength and flexibility. The Dayco Anti-Smog/ PCV Hose meets SAE J30R7 requirements. Note: NOT suitable for fuel injection applications.Features include: