Buick, Cadillac, Chevy, Oldsmobile, Pontiac
Services 1 fuel rail set, right and left side.

Replace your worn, cracked, or damaged fuel injector O-rings with Standard Motor Products.
Your vehicle's fuel injectors operate under extreme pressures and are fitted with several O-rings to prevent leakage of fuel into hot engine compartments.
The operating conditions are tough on sealing materials, and O-rings must be capable of sealing from
as low as -40 degrees C to as high as +150 degrees C and be highly resistant to aggressive automotive fuels.
The consequence of O-ring failure could be catastrophic, so trust your engine to Standard Motor Products O-rings.