The Michigan Motorsports Four Pole (4x) Cam Gear is a 3-bolt timing chain sprocket designed for those converting from a single-bolt camshaft to a 3-bolt camshaft setup. It’s also fully compatible with Gen III LS engines featuring the camshaft position sensor located at the rear of the block.
Built to meet OEM standards, this gear offers excellent durability and timing accuracy for both stock and performance builds.
 
Features:
3-bolt design, 4 Pole (4x) camshaft gear
Ideal for 1-bolt to 3-bolt camshaft conversions
Works with Gen III LS engines with rear-mounted cam sensors
Direct replacement for GM Part #12586481
Precision-engineered for durability and accurate timing
 
Compatibility:
Suitable for a wide range of GM Gen III/IV LS gasoline V8 engines, including but not limited to:
Holden V8: 4.8L, 5.3L, 5.7L, 6.0L LS2, LS3
Works in applications requiring a 4x cam gear and a 3-bolt camshaft pattern
 
Warranty & Policies:
Warranty: Included (conditions apply)
Returns: Not accepted if the wrong part is ordered – please verify compatibility before purchase
 
Shipping Information:
Orders shipped within 1–2 business days
Tracking number provided on dispatch
Australia-wide and international shipping available