Introduction
Find the right 3-bolt, 4-pole cam gear for 58X reluctor LS engines here. This guide highlights five products that best match a Gen IV 58X setup, helping you choose based on engine type, bolt pattern, and intended use. The top picks are ideal for performance builds, daily drivers seeking reliability, or restoration projects requiring OEM-style timing gear. Use the summary table to compare key details at a glance.
| Product | Reluctor Type | Bolt Pattern | Best For |
|---|---|---|---|
| Michigan Motorsports Four Pole 58X 3-Bolt Cam Gear Sprocket | 58X | 4-bolt | OEM-style replacement for Gen IV LS engines |
| AULINK Four Pole 58X 3-Bolt Gear | 58X | 3-bolt (4-pole) | Wide vehicle compatibility, OEM-style fit |
| Michigan Motorsports 1-Bolt to 3-Bolt Conversion Kit | 58X (conversion) | 3-bolt included | Converts 1-bolt to 3-bolt timing for 58X engines |
| Lizixny 3 Bolt 4X Timing Gear For Chevy LS | 58X | 3-bolt, 4-pole | Replacement for 58X Gen IV LS builds |
| Zieichy 3 Bolt 4X Timing Chain Cam Gear | 58X | 3-bolt, 4-pole | Direct replacement with robust steel construction |
Michigan Motorsports Four Pole 58X 3-Bolt Cam Gear Sprocket

This four-pole cam sprocket is designed for LS engines with a 58X crank reluctor and supports 4-bolt timing systems. It is a direct GM replacement for part #12586481, aligning with LS2 and LS3 variants. Best for builders wanting factory-level precision in Gen IV engines and reliable ECU communication with 58X reluctors.
Best for: standard or rebuild projects where OEM compatibility and precise timing alignment are critical. Better for: engines requiring a four-pole signal pickup to ensure proper ECU timing. Caution: verify your engine’s reluctor configuration before matching 58X 4-bolt timing gear to avoid timing misalignment.
AULINK Four Pole 58X 3-Bolt Engine Timing Camshaft Sprocket Gear

The AULINK gear carries OEM-number lineage (12586481) and compatibility across a wide range of GM models that use 58X reluctors. It lists fitment for numerous Cadillac, Chevrolet, GMC, and Chevrolet trucks, plus SUVs, making it a versatile choice for mixed-model garages or parts inventories.
Best for: a broad compatibility option when you work on multiple Gen IV LS builds. Better for: projects needing a direct 12586481 replacement that aligns with 58X four-pole signals. Caution: the broad fitment list can be confusing—confirm your exact year/model to ensure 3-bolt, 58X compatibility.
1 Bolt to 3 Bolt Cam Gear Conversion Kit for LS Engines

This conversion kit enables installation of a 3-bolt cam gear on engines originally equipped with a 1-bolt cam, specifically for 58X reluctor systems. It includes a 3-bolt cam gear and a timing chain dampener for LS2/LS3/LS7 setups, expanding compatibility when upgrading timing hardware.
Best for: users upgrading from 1-bolt to 3-bolt timing to support 58X systems. Better for: those focused on performance gains through a robust 3-bolt configuration. Caution: the kit requires correct matching to your engine’s reluctor and may necessitate auxiliary hardware checks during installation.
Michigan Motorsports 1-Bolt to 3-Bolt LS Cam Gear Conversion Kit

This kit converts 1-bolt LS cam gears to a 3-bolt design for 58X reluctor engines, including a 3-bolt cam gear and ARP cam bolts. It targets LS2/LS3 and variants such as L99 and L76, delivering high-strength hardware for durable timing chain operation.
Best for: owners who need a straightforward upgrade path from 1-bolt to 3-bolt timing. Better for: builds where ARP bolts are preferred for torque retention. Caution: verify compatibility with your specific year and model, as some GM variants may require additional adjustments.
Lizixny 3 Bolt 4X Timing Gear For Chevy LS

Lizixny offers a 3-bolt, 4x timing gear designed for LS engines, including LS2 and LS3 variants. The gear is presented as a direct replacement, suitable for engines requiring precise oil pump clearance and reliable timing signal synchronization.
Best for: builders prioritizing a direct, straightforward replacement for Gen IV LS engines. Better for: consistent timing signal with 58X reluctors. Caution: ensure the replacement part matches your GM OEM number (12586481) to avoid fitment issues.
Zieichy 3 Bolt 4X Timing Gear Sprocket 58X

Zieichy’s 3-bolt, 4X timing gear is made of durable steel and designed to fit GM LS Gen IV engines with 58X reluctors. It serves as a direct replacement option and emphasizes compatibility with 3-bolt configurations for smooth ECU communication and engine timing.
Best for: those seeking a robust steel option with straightforward fit for 58X Gen IV engines. Better for: replacement projects where OEM-style timing gear is preferred. Caution: check your engine year and model to confirm 3-bolt, 4X compatibility before purchasing.
Buying Guide: Key Considerations For 3-Bolt 4X LS Cam Gears
What should you check before buying? Confirm your engine’s reluctor type (58X vs 24X) and the bolt pattern (1-bolt vs 3-bolt). For 58X engines, a 3-bolt, 4-pole gear is typically needed to ensure proper ECU timing. Consider OEM replacement parts for ease of installation and compatibility with GM part numbers. If you own multiple Gen IV LS builds, a versatile kit or broad-fit option can simplify part sourcing. When upgrading, inspect hardware quality (bolts and timing chain dampeners) and verify oil pump clearance requirements.
Frequently Asked Questions
- What does 58X refer to in LS engines? – It denotes the crank reluctor wheel used for timing and ECU communication in Gen IV LS engines.
- What is the difference between 1-bolt and 3-bolt cam gears? – 3-bolt gears provide higher strength and improved timing stability, especially in performance builds.
- Can I mix brands for a cam gear and bolts? – It’s best to use components designed to fit 58X and 3-bolt configurations; mixing may cause timing issues.
- IsOEM replacement preferred for reliability? – OEM-style replacements offer straightforward compatibility with GM part numbers and installation fitment.
- What should I do if my engine is 24X reluctor? – Use a gear and kit specified for 24X reluctors, as 58X parts won’t align correctly.
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