Morel tie-bar performance hydraulic roller lifters for Chevrolet – Stock diameter. Fits most .842″ lifter bore GM applications including LS, LT, SBC.

Morel Hydraulic Pre-load Settings –

Cast Iron block and Cast Iron Head = .020″ – .025″
Cast Iron block and Aluminum Head = .030″ – .035″
Aluminum block and Aluminum Head = .045″ – .050″