The Ferrea titanium valve retainer for Nissan TB48DE engines is a Pro CNC machined component for double-spring valvetrains with a 6-degree seating angle. Titanium construction reduces moving mass and delivers accurate spring seating suited to TB48DE cylinder heads. This listing is a set of 24 retainers, intended for full-valve-train replacement on compatible Nissan TB48DE applications.
Ferrea Nissan TB48DE Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 24