For large displacement engines 110'' and larger with 10.5:1 to 11.5:1 compression and smaller engines, 96''-107'' with 11.0:1 to 12.0:1 compressionLess overlap and fast ramps build higher cylinder pressureLower TDC lift makes installation easierDesigned for use with hydraulic tappetsMade in the USAInstaller must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.Requires high-lift springs.
https://shopping.truda.io/product/640-cam
For large displacement engines 110'' and larger with 10.5:1 to 11.5:1 compression and smaller engines, 96''-107'' with 11.0:1 to 12.0:1 compressionLes