About This Product
GM Genuine Timing Components
4X Reluctor 3-Bolt Cam Gear
This GM Genuine camshaft sprocket is the correct 3-bolt, 4X reluctor cam gear used on Gen IV LS engines with a 58X crankshaft reluctor. It is required when converting from a factory VVT camshaft to a non-VVT setup and is commonly used with aftermarket camshafts in performance builds.
Correct VVT Delete Gear The proper OEM solution for converting Gen IV VVT engines to a non-VVT 3-bolt camshaft setup.
Accurate Signal Control Provides the correct camshaft position signal needed for proper ignition, fueling, and engine operation.
Part Number
- GM Genuine: 12586481
Product Features
- 3-bolt camshaft sprocket design
- Integrated 4X reluctor for camshaft position sensor
- OEM GM quality and precise fitment
- Compatible with standard LS timing chains
Engine Compatibility
- Fits GM Gen IV LS-based V8 engines with 58X crank reluctor
- 4.8L LY2, LY5
- 5.3L LH6, LC9, LMG, LMF
- 6.0L LY6, L96, L76, L77
- 6.2L L92, L9H, L94, L99
Common Applications
- VVT delete conversions for 2007-2013 LS engines
- Aftermarket 3-bolt camshaft installations
- Performance engine builds and cam swaps
Performance Benefits
- Provides correct camshaft position signal for ECM
- Required for proper engine operation after VVT delete
- Ensures accurate ignition and fueling control
- Reliable OEM durability for high-performance use
Warranty
- GM Genuine Parts manufacturer warranty
- Direct OEM replacement for applicable LS engines
Important Fitment Notes
This cam gear is designed for 3-bolt, 58X Gen IV LS engines and must be matched to the correct non-VVT camshaft setup.
- For use with 3-bolt camshafts only
- Designed for 58X crankshaft engines 2007 and newer
- Not compatible with VVT camshaft phasers
- Not for single bolt camshaft applications
Installation Information ›
- Professional installation recommended
- Use new camshaft bolts during installation
- Verify timing alignment during assembly
- Typically installed with timing chain and camshaft upgrades
Note:
This cam gear is required when converting VVT engines to a non-VVT camshaft setup. Using the incorrect cam gear will result in improper camshaft position readings and engine performance issues.
