The Texas Speed LS1 / LS6 Intake Manifold Gasket Set is a replacement intake gasket set for cathedral-port LS engines, listed by Texas Speed as comparable to GM part number 12533587. It is the gasket set needed any time the intake manifold is removed for a camshaft swap, a cylinder head change or an intake manifold upgrade on an LS1 or LS6 style engine.
Texas Speed lists the set for its Gen III 4.8L, 5.3L, 5.7L and 6.0L and Gen IV 6.0L and 6.2L LS applications. Texas Speed publishes only the GM cross-reference for this part, so confirm the gasket matches the intake manifold and cylinder head port style on the engine before ordering.
Specifications
- Type: Intake manifold gasket set
- Replaces: GM 12533587 (comparable part)
- Title application: LS1 and LS6
- Engines per Texas Speed: Gen III LS 4.8L, 5.3L, 5.7L and 6.0L; Gen IV LS 6.0L and 6.2L
- Part number: TSP-LS1IG3587 (Texas Speed LS1IG3587)
Vehicle Applications
Engine families listed by Texas Speed: Gen III LS 4.8L, 5.3L, 5.7L and 6.0L and Gen IV LS 6.0L and 6.2L. Vehicle list reflects the fitment published by Texas Speed; confirm the intake manifold and cylinder head port style before ordering.
Chevrolet Camaro
- 1998 Chevrolet Camaro
- 1999 Chevrolet Camaro
- 2000 Chevrolet Camaro
- 2001 Chevrolet Camaro
- 2002 Chevrolet Camaro
Chevrolet Corvette
- 1997 Chevrolet Corvette
- 1998 Chevrolet Corvette
- 1999 Chevrolet Corvette
- 2000 Chevrolet Corvette
- 2001 Chevrolet Corvette
- 2002 Chevrolet Corvette
- 2003 Chevrolet Corvette
- 2004 Chevrolet Corvette
- 2005 Chevrolet Corvette
- 2006 Chevrolet Corvette
- 2007 Chevrolet Corvette
- 2008 Chevrolet Corvette
- 2009 Chevrolet Corvette
- 2010 Chevrolet Corvette
- 2011 Chevrolet Corvette
- 2012 Chevrolet Corvette
- 2013 Chevrolet Corvette
Cadillac CTS-V
- 2004 Cadillac CTS-V
- 2005 Cadillac CTS-V
Cadillac Escalade
- 2005 Cadillac Escalade
- 2008 Cadillac Escalade
- 2009 Cadillac Escalade
- 2010 Cadillac Escalade
- 2011 Cadillac Escalade
- 2012 Cadillac Escalade
- 2013 Cadillac Escalade
- 2014 Cadillac Escalade
Pontiac Firebird
- 1998 Pontiac Firebird
- 1999 Pontiac Firebird
- 2000 Pontiac Firebird
- 2001 Pontiac Firebird
- 2002 Pontiac Firebird
Pontiac GTO
- 2004 Pontiac GTO
- 2005 Pontiac GTO
- 2006 Pontiac GTO
GMC Sierra 1500
- 1999 GMC Sierra 1500
- 2000 GMC Sierra 1500
- 2001 GMC Sierra 1500
- 2002 GMC Sierra 1500
- 2003 GMC Sierra 1500
- 2004 GMC Sierra 1500
- 2005 GMC Sierra 1500
- 2006 GMC Sierra 1500
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2009 GMC Sierra 1500
- 2010 GMC Sierra 1500
- 2011 GMC Sierra 1500
- 2012 GMC Sierra 1500
- 2013 GMC Sierra 1500
Chevrolet Silverado 1500
- 1999 Chevrolet Silverado 1500
- 2000 Chevrolet Silverado 1500
- 2001 Chevrolet Silverado 1500
- 2002 Chevrolet Silverado 1500
- 2003 Chevrolet Silverado 1500
- 2004 Chevrolet Silverado 1500
- 2005 Chevrolet Silverado 1500
- 2006 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
Chevrolet Suburban
- 2000 Chevrolet Suburban
- 2001 Chevrolet Suburban
- 2002 Chevrolet Suburban
- 2003 Chevrolet Suburban
- 2004 Chevrolet Suburban
- 2005 Chevrolet Suburban
- 2006 Chevrolet Suburban
- 2007 Chevrolet Suburban
- 2008 Chevrolet Suburban
- 2009 Chevrolet Suburban
- 2010 Chevrolet Suburban
- 2011 Chevrolet Suburban
- 2012 Chevrolet Suburban
- 2013 Chevrolet Suburban
- 2014 Chevrolet Suburban
Chevrolet Tahoe
- 2000 Chevrolet Tahoe
- 2001 Chevrolet Tahoe
- 2002 Chevrolet Tahoe
- 2003 Chevrolet Tahoe
- 2004 Chevrolet Tahoe
- 2005 Chevrolet Tahoe
- 2006 Chevrolet Tahoe
- 2007 Chevrolet Tahoe
- 2008 Chevrolet Tahoe
- 2009 Chevrolet Tahoe
- 2010 Chevrolet Tahoe
- 2011 Chevrolet Tahoe
- 2012 Chevrolet Tahoe
- 2013 Chevrolet Tahoe
- 2014 Chevrolet Tahoe
GMC Yukon
- 1999 GMC Yukon
- 2000 GMC Yukon
- 2001 GMC Yukon
- 2002 GMC Yukon
- 2003 GMC Yukon
- 2004 GMC Yukon
- 2005 GMC Yukon
- 2006 GMC Yukon
- 2007 GMC Yukon
- 2008 GMC Yukon
- 2009 GMC Yukon
- 2010 GMC Yukon
- 2011 GMC Yukon
- 2012 GMC Yukon
- 2013 GMC Yukon
- 2014 GMC Yukon
Vehicle applications reflect the fitment published by Texas Speed & Performance for this part number. Confirm your engine and cylinder head configuration before ordering.
FAQ
What GM part number does the Texas Speed LS1 / LS6 intake gasket set replace?
Texas Speed lists the set as comparable to GM part number 12533587, the factory intake manifold gasket set used on LS1 and LS6 engines.
Which engines does this intake manifold gasket set fit?
Texas Speed names the LS1 and LS6 in the title and lists the set under its Gen III 4.8L, 5.3L, 5.7L and 6.0L and Gen IV 6.0L and 6.2L LS applications. Match the gasket to the cathedral-port intake and heads on the engine before ordering.
When do I need new LS intake manifold gaskets?
Any time the intake manifold is removed, including a camshaft swap, a cylinder head change, a valve spring job that requires intake removal or an intake manifold upgrade, a fresh gasket set is the normal practice to avoid vacuum leaks.
How many gaskets are in the set?
Texas Speed sells the part as an intake manifold gasket set for one engine. It does not publish the piece count, so BPS can confirm the contents before purchase if needed.
Is this a Texas Speed branded gasket or a GM gasket?
It is a Texas Speed part number, TSP-LS1IG3587, sold as a comparable replacement for GM 12533587 rather than the GM-boxed gasket.
