National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles. Product Features:Includes timing cover seal and harmonic balancer sleeveSolves the oil leaking around timing cover sealMade of stainless steelTakes up gaps caused by worn-out harmonic balancer shafts
