Product Description
Michigan Motorsports Stock Replacement LQ4 / LS1 / LQ9 Camshaft – Replaces GM 12561721
Specs: 196/207 .466/.477 116 LSA 3-Bolt Pattern | Fits 2001–2007 LQ4 6.0L & 2001–2004 LS1 5.7L
The Michigan Motorsports Stock Replacement LS Camshaft is a USA-made OEM-style replacement for GM camshaft part number 12561721 used in LQ4 6.0L truck engines and LS1 5.7L car engines. Designed to restore factory drivability, reliability, and fuel economy, this camshaft is ideal for replacing worn or damaged stock cams or returning a modified vehicle back to original performance specifications. Built with OEM-style specifications and compatible with factory Gen III LS valvetrain components, this camshaft maintains the smooth idle characteristics and torque curve expected from the original equipment camshaft.
Key Features & Benefits
- OEM-Style Replacement Camshaft – Direct replacement for GM camshaft part number 12561721 used in LS1, LQ9 and LQ4 engines.
- Factory Camshaft Specifications – 196/207 duration with .466"/.477" lift and 116 LSA delivers smooth idle quality, dependable drivability, and stock-like performance.
- Maintains OEM Drivability – Perfect for restoring stock performance, fuel mileage, and daily driving reliability.
- Compatible with Factory 3-Bolt Sprocket – Designed for use with the original 3-bolt cam sprocket found on Gen III LS engines.
- USA-Made Quality – Manufactured in the USA to provide high quality construction and reliable long-term durability.
Camshaft Specifications
- Duration: 196° / 207°
- Lift: .466" / .477"
- LSA: 116°
- Camshaft Pattern: 3-Bolt
Notes & Installation Information
- Fits Gen III LS engines with rear camshaft sensor configuration.
- Compatible with factory 3-bolt cam sprockets used on 1999-2007 LS engines.
- Gen IV engines (2007+) require a 3-bolt cam sprocket conversion kit.
- Not compatible with VVT engines.
Key Fitments (5.7L & 6.0L Models)
- CADILLAC ESCALADE 2002-2006
- CHEVROLET CAMARO 2001-2002
- CHEVROLET CORVETTE 2001-2004
- CHEVROLET EXPRESS 2500 2003-2007
- CHEVROLET EXPRESS 3500 2003-2007
- CHEVROLET SILVERADO 1500 2001-2006
- CHEVROLET SILVERADO 1500 CLASSIC 2007
- CHEVROLET SILVERADO 2500 2001-2006
- CHEVROLET SILVERADO 2500 CLASSIC 2007
- CHEVROLET SILVERADO 3500 2001-2006
- CHEVROLET SILVERADO 3500 CLASSIC 2007
- CHEVROLET SUBURBAN 1500 2006
- CHEVROLET SUBURBAN 2500 2001-2006
- GMC SAVANA 2500 2003-2007
- GMC SAVANA 3500 2003-2007
- GMC SIERRA 1500 2001-2006
- GMC SIERRA 1500 CLASSIC 2007
- GMC SIERRA 2500 2001-2006
- GMC SIERRA 2500 CLASSIC 2007
- GMC SIERRA 3500 2001-2006
- GMC SIERRA 3500 CLASSIC 2007
- GMC YUKON 2001-2006
- GMC YUKON XL 1500 2001-2006
- GMC YUKON XL 2500 2001-2006
- HUMMER H2 2003-2007
- PONTIAC FIREBIRD 2001-2002
- PONTIAC GTO 2004
