This is a non-DOD hydraulic roller camshaft used as an AFM and displacement on demand delete cam for GM Gen IV 5.3L LS truck engines. It carries 0.466 in intake and 0.457 in exhaust lift, 190 degrees intake and 191 degrees exhaust duration, and a 114 degree lobe separation angle, giving a stock style idle while removing the active fuel management lobes.
Specifications:
- Camshaft
- Hydraulic Roller
- Lift 0.466 in / 0.457 in
- Duration 190 / 191
- 114 LSA
- GM LS-Series
- Sold as: Each
- Part number: 12689035
Applications:
- GM LS-Series Gen IV 5.3L engines (AFM/DOD delete) such as LMG, LY5, LH6, LC9
FAQ
What are the lift and duration specs?
Lift is 0.466 in on the intake and 0.457 in on the exhaust, with 190 degrees intake and 191 degrees exhaust duration.
What is the lobe separation angle?
It is a 114 degree lobe separation angle.
Can this cam be used to delete AFM or DOD?
Yes. It is a non-DOD profile used to delete active fuel management on Gen IV 5.3L engines, and it requires the appropriate delete hardware.
Is it a hydraulic roller cam?
Yes. It is a hydraulic roller camshaft.

