Edelbrock part #4254 With Rear Mounted Cam Sensor (LS1 and Early Model Trucks) These two-piece aluminum timing covers for GM Gen III & IV LS Series allow quick camshaft removal and installation without the need to remove the damper pulley or steering components. The cam can be installed and removed through a window in the front of the cover which is sealed with a plate and O-ring for superior leak prevention. Not for use with a double roller timing chains.
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