This COMP Cams timing set boasts robust adjustment clamping without concern for loosening, along with a bulletproof SAE 4340 design featuring wear-resistant, plasma nitride gear hardening on the gear teeth. Meanwhile, a perfect cam sensor signal is trigger-tested to over 10,000 RPM and is compatible with any OEM or aftermarket engine control system. An all-new Allen wrench adjustment design allows for precise adjustment (+/- 6 degrees) to advance and retard on each bank PartNumber : cca10254 Description : Timing Gear Set Title : 10254 Cam Gear Set, 4.6L/5.4L S/DOHC California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Engine Components::Cam Gears