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Mr. GasketPart 2235g✓ Fits 302 vehiclesMade in CN
Product Details
⚙️
Vehicle Fitment & Compatibility
302 applicationsCompatible Engines
5.7L V8 350ci5.0L V8 305ci5.3L V8 325ci3.6L V6 217ci6.0L V8 364ci4.8L V8 294ci6.6L V8 403ci6.2L V8 376ci
Application Notes
HEADLOCK LOCKING HEADER BOLTSMETRIC1997-UP CHEVY/GM/GMC ENGINES12 PC.
View all 302 vehicle applications
Years
Make / Model
Submodel
Engine
1997–1998
Chevrolet C1500
5.7L V8 350ci
1997–1998
Chevrolet C1500
5.7L V8 350ci
1997–1998
Chevrolet C1500
5.7L V8 350ci
1997–1998
Chevrolet C1500
5.0L V8 305ci
1997–1998
Chevrolet C1500
5.0L V8 305ci
1997–1998
Chevrolet C1500
5.0L V8 305ci
1997
Chevrolet C1500
5.0L V8 305ci
1999
Chevrolet C1500
5.0L V8 305ci
1999
Chevrolet C1500
5.7L V8 350ci
1997–2000
Chevrolet C2500
5.7L V8 350ci
1997–1998
Chevrolet C2500
5.7L V8 350ci
1997–1998
Chevrolet C2500
5.0L V8 305ci
1997–1998
Chevrolet C2500
5.0L V8 305ci
1997
Chevrolet C2500
5.0L V8 305ci
1998
Chevrolet C2500
5.0L V8 305ci
1998
Chevrolet C2500
5.7L V8 350ci
1999–2000
Chevrolet C2500
5.7L V8 350ci
1999
Chevrolet C2500
5.7L V8 350ci
1997–1998
Chevrolet C3500
5.7L V8 350ci
1997–1998
Chevrolet C3500
5.7L V8 350ci
1997
Chevrolet C3500
5.7L V8 350ci
1999–2000
Chevrolet C3500
5.7L V8 350ci
1999–2000
Chevrolet C3500
5.7L V8 350ci
2009–2012
Chevrolet Colorado
5.3L V8 325ci
2013
Chevrolet Colorado
3.6L V6 217ci
1997–2002
Chevrolet Express 1500
5.0L V8 305ci
1997–2002
Chevrolet Express 1500
5.0L V8 305ci
1997–2002
Chevrolet Express 1500
5.7L V8 350ci
1997–2002
Chevrolet Express 1500
5.7L V8 350ci
2001–2002
Chevrolet Express 1500
5.7L V8 350ci
2001–2002
Chevrolet Express 1500
5.0L V8 305ci
2003–2007
Chevrolet Express 1500
5.3L V8 325ci
2003–2007
Chevrolet Express 1500
5.3L V8 325ci
2006–2007
Chevrolet Express 1500
5.3L V8 325ci
1997–2002
Chevrolet Express 2500
5.7L V8 350ci
1997–2002
Chevrolet Express 2500
5.7L V8 350ci
1997–2002
Chevrolet Express 2500
5.0L V8 305ci
1997–2002
Chevrolet Express 2500
5.0L V8 305ci
2003–2014
Chevrolet Express 2500
6.0L V8 364ci
2003–2014
Chevrolet Express 2500
6.0L V8 364ci
2003–2009
Chevrolet Express 2500
4.8L V8 294ci
2003–2006
Chevrolet Express 2500
4.8L V8 294ci
2003–2005
Chevrolet Express 2500
5.3L V8 325ci
2003–2005
Chevrolet Express 2500
5.3L V8 325ci
2006–2014
Chevrolet Express 2500
6.0L V8 364ci
2006
Chevrolet Express 2500
4.8L V8 294ci
1997–2002
Chevrolet Express 3500
5.7L V8 350ci
1997–2002
Chevrolet Express 3500
5.7L V8 350ci
2003–2014
Chevrolet Express 3500
6.0L V8 364ci
2003–2014
Chevrolet Express 3500
6.0L V8 364ci
2005–2009
Chevrolet Express 3500
4.8L V8 294ci
2005
Chevrolet Express 3500
4.8L V8 294ci
2006–2014
Chevrolet Express 3500
6.0L V8 364ci
1997–1998
Chevrolet K1500
5.0L V8 305ci
1997–1998
Chevrolet K1500
5.7L V8 350ci
1997–1998
Chevrolet K1500
5.0L V8 305ci
1997–1998
Chevrolet K1500
5.0L V8 305ci
1997–1998
Chevrolet K1500
5.7L V8 350ci
1997–1998
Chevrolet K1500
5.7L V8 350ci
1997
Chevrolet K1500
5.7L V8 350ci
1997
Chevrolet K1500
5.0L V8 305ci
1999
Chevrolet K1500
5.7L V8 350ci
1999
Chevrolet K1500
5.0L V8 305ci
1997–1998
Chevrolet K2500
5.0L V8 305ci
1997–1998
Chevrolet K2500
5.7L V8 350ci
1997–1998
Chevrolet K2500
5.7L V8 350ci
1997
Chevrolet K2500
5.7L V8 350ci
1998
Chevrolet K2500
5.7L V8 350ci
1998
Chevrolet K2500
5.0L V8 305ci
1998
Chevrolet K2500
5.0L V8 305ci
1999–2000
Chevrolet K2500
5.7L V8 350ci
1999–2000
Chevrolet K2500
5.7L V8 350ci
1997–1998
Chevrolet K3500
5.7L V8 350ci
1997–1998
Chevrolet K3500
5.7L V8 350ci
1997
Chevrolet K3500
5.7L V8 350ci
1999–2000
Chevrolet K3500
5.7L V8 350ci
1999–2000
Chevrolet K3500
5.7L V8 350ci
1999–2013
Chevrolet Silverado 1500
5.3L V8 325ci
1999–2009
Chevrolet Silverado 1500
4.8L V8 294ci
1999–2009
Chevrolet Silverado 1500
4.8L V8 294ci
1999–2005
Chevrolet Silverado 1500
5.3L V8 325ci
1999–2005
Chevrolet Silverado 1500
4.8L V8 294ci
2002–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2002–2009
Chevrolet Silverado 1500
4.8L V8 294ci
2003–2006
Chevrolet Silverado 1500
6.0L V8 364ci
2004–2009
Chevrolet Silverado 1500
6.0L V8 364ci
2004–2006
Chevrolet Silverado 1500
5.3L V8 325ci
2004–2005
Chevrolet Silverado 1500
5.3L V8 325ci
2004–2005
Chevrolet Silverado 1500
4.8L V8 294ci
2004–2005
Chevrolet Silverado 1500
6.0L V8 364ci
2005
Chevrolet Silverado 1500
6.0L V8 364ci
2007–2008
Chevrolet Silverado 1500
5.3L V8 325ci
2007–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2007–2009
Chevrolet Silverado 1500
6.0L V8 364ci
2009–2013
Chevrolet Silverado 1500
6.0L V8 364ci
2010–2013
Chevrolet Silverado 1500
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
6.0L V8 364ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
6.0L V8 364ci
2007
Chevrolet Silverado 1500 Classic
5.3L V8 325ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2007
Chevrolet Silverado 1500 Classic
4.8L V8 294ci
2001–2003
Chevrolet Silverado 1500 HD
6.0L V8 364ci
2001–2003
Chevrolet Silverado 1500 HD
6.0L V8 364ci
2005–2006
Chevrolet Silverado 1500 HD
6.0L V8 364ci
2005
Chevrolet Silverado 1500 HD
6.0L V8 364ci
2005
Chevrolet Silverado 1500 HD
6.0L V8 364ci
2007
Chevrolet Silverado 1500 HD Classic
6.0L V8 364ci
1999–2004
Chevrolet Silverado 2500
6.0L V8 364ci
1999–2004
Chevrolet Silverado 2500
6.0L V8 364ci
1999–2004
Chevrolet Silverado 2500
6.0L V8 364ci
1999–2000
Chevrolet Silverado 2500
5.3L V8 325ci
1999–2000
Chevrolet Silverado 2500
5.3L V8 325ci
1999–2000
Chevrolet Silverado 2500
5.3L V8 325ci
2004
Chevrolet Silverado 2500
6.0L V8 364ci
2001
Chevrolet Silverado 2500 HD
6.6L V8 403ci
2001
Chevrolet Silverado 2500 HD
6.6L V8 403ci
2001
Chevrolet Silverado 2500 HD
6.6L V8 403ci
2002–2014
Chevrolet Silverado 2500 HD
6.0L V8 364ci
2002–2006
Chevrolet Silverado 2500 HD
6.0L V8 364ci
2002–2005
Chevrolet Silverado 2500 HD
6.0L V8 364ci
2003–2014
Chevrolet Silverado 2500 HD
6.0L V8 364ci
2007–2014
Chevrolet Silverado 2500 HD
6.0L V8 364ci
2007
Chevrolet Silverado 2500 HD Classic
6.0L V8 364ci
2007
Chevrolet Silverado 2500 HD Classic
6.0L V8 364ci
2007
Chevrolet Silverado 2500 HD Classic
6.0L V8 364ci
2001–2006
Chevrolet Silverado 3500
6.0L V8 364ci
2001–2006
Chevrolet Silverado 3500
6.0L V8 364ci
2001
Chevrolet Silverado 3500
6.6L V8 403ci
2001
Chevrolet Silverado 3500
6.6L V8 403ci
2001
Chevrolet Silverado 3500
6.6L V8 403ci
2004
Chevrolet Silverado 3500
6.0L V8 364ci
2006
Chevrolet Silverado 3500
6.0L V8 364ci
2007
Chevrolet Silverado 3500 Classic
6.0L V8 364ci
2007
Chevrolet Silverado 3500 Classic
6.0L V8 364ci
2007
Chevrolet Silverado 3500 Classic
6.0L V8 364ci
2007–2014
Chevrolet Silverado 3500 HD
6.0L V8 364ci
2007–2014
Chevrolet Silverado 3500 HD
6.0L V8 364ci
2007–2014
Chevrolet Silverado 3500 HD
6.0L V8 364ci
1997–1999
GMC C1500
5.0L V8 305ci
1997–1999
GMC C1500
5.7L V8 350ci
1997–1999
GMC C1500
5.0L V8 305ci
1997–1999
GMC C1500
5.0L V8 305ci
1997–1999
GMC C1500
5.7L V8 350ci
1997–1999
GMC C1500
5.7L V8 350ci
1997–1998
GMC C1500
5.0L V8 305ci
1997–1998
GMC C1500
5.7L V8 350ci
1997
GMC C1500
5.7L V8 350ci
1997
GMC C1500
5.0L V8 305ci
1997–2000
GMC C2500
5.7L V8 350ci
1997–2000
GMC C2500
5.7L V8 350ci
1997–2000
GMC C2500
5.7L V8 350ci
1997–1998
GMC C2500
5.0L V8 305ci
1997–1998
GMC C2500
5.0L V8 305ci
1997–1998
GMC C2500
5.0L V8 305ci
1997–2000
GMC C3500
5.7L V8 350ci
1997–2000
GMC C3500
5.7L V8 350ci
1997–2000
GMC C3500
5.7L V8 350ci
2009–2012
GMC Canyon
5.3L V8 325ci
2009–2012
GMC Canyon
5.3L V8 325ci
1997–1999
GMC K1500
5.7L V8 350ci
1997–1999
GMC K1500
5.0L V8 305ci
1997–1999
GMC K1500
5.7L V8 350ci
1997–1999
GMC K1500
5.0L V8 305ci
1997–1999
GMC K1500
5.0L V8 305ci
1997–1999
GMC K1500
5.7L V8 350ci
1997–1998
GMC K1500
5.7L V8 350ci
1997–1998
GMC K1500
5.0L V8 305ci
1997–2000
GMC K2500
5.7L V8 350ci
1997–2000
GMC K2500
5.7L V8 350ci
1997–2000
GMC K2500
5.7L V8 350ci
1998
GMC K2500
5.0L V8 305ci
1998
GMC K2500
5.0L V8 305ci
1998
GMC K2500
5.0L V8 305ci
1997–2000
GMC K3500
5.7L V8 350ci
1997–2000
GMC K3500
5.7L V8 350ci
1997–2000
GMC K3500
5.7L V8 350ci
1997–2002
GMC Savana 1500
5.0L V8 305ci
1997–2002
GMC Savana 1500
5.7L V8 350ci
1997–2000
GMC Savana 1500
5.0L V8 305ci
1997–2000
GMC Savana 1500
5.7L V8 350ci
2001–2002
GMC Savana 1500
5.0L V8 305ci
2001–2002
GMC Savana 1500
5.7L V8 350ci
2003–2007
GMC Savana 1500
5.3L V8 325ci
2003–2005
GMC Savana 1500
5.3L V8 325ci
2006–2007
GMC Savana 1500
5.3L V8 325ci
2006–2007
GMC Savana 1500
5.3L V8 325ci
1997–2002
GMC Savana 2500
5.7L V8 350ci
1997–2002
GMC Savana 2500
5.0L V8 305ci
1997–2000
GMC Savana 2500
5.0L V8 305ci
1997–2000
GMC Savana 2500
5.7L V8 350ci
2001–2002
GMC Savana 2500
5.7L V8 350ci
2001–2002
GMC Savana 2500
5.0L V8 305ci
2003–2014
GMC Savana 2500
6.0L V8 364ci
2003–2009
GMC Savana 2500
4.8L V8 294ci
2003–2005
GMC Savana 2500
6.0L V8 364ci
2003–2005
GMC Savana 2500
5.3L V8 325ci
2003–2005
GMC Savana 2500
4.8L V8 294ci
2003–2005
GMC Savana 2500
5.3L V8 325ci
2007–2014
GMC Savana 2500
6.0L V8 364ci
2007–2014
GMC Savana 2500
6.0L V8 364ci
2009–2010
GMC Savana 2500
6.0L V8 364ci
2009–2010
GMC Savana 2500
6.0L V8 364ci
2012–2013
GMC Savana 2500
6.0L V8 364ci
2012–2013
GMC Savana 2500
6.0L V8 364ci
1997–2002
GMC Savana 3500
5.7L V8 350ci
1997–2000
GMC Savana 3500
5.7L V8 350ci
2001–2002
GMC Savana 3500
5.7L V8 350ci
2003–2014
GMC Savana 3500
6.0L V8 364ci
2003–2005
GMC Savana 3500
6.0L V8 364ci
2004–2009
GMC Savana 3500
4.8L V8 294ci
2004–2005
GMC Savana 3500
4.8L V8 294ci
2006–2014
GMC Savana 3500
6.0L V8 364ci
2006–2014
GMC Savana 3500
6.0L V8 364ci
2009–2010
GMC Savana 3500
6.0L V8 364ci
2009–2010
GMC Savana 3500
6.0L V8 364ci
2012–2013
GMC Savana 3500
6.0L V8 364ci
2012–2013
GMC Savana 3500
6.0L V8 364ci
1999–2013
GMC Sierra 1500
5.3L V8 325ci
1999–2013
GMC Sierra 1500
5.3L V8 325ci
1999–2009
GMC Sierra 1500
4.8L V8 294ci
1999–2004
GMC Sierra 1500
4.8L V8 294ci
1999–2003
GMC Sierra 1500
4.8L V8 294ci
1999–2003
GMC Sierra 1500
5.3L V8 325ci
2001
GMC Sierra 1500
6.0L V8 364ci
2002–2011
GMC Sierra 1500
5.3L V8 325ci
2002–2009
GMC Sierra 1500
4.8L V8 294ci
2002–2005
GMC Sierra 1500
5.3L V8 325ci
2002–2005
GMC Sierra 1500
4.8L V8 294ci
2002
GMC Sierra 1500
4.8L V8 294ci
2002
GMC Sierra 1500
5.3L V8 325ci
2004–2009
GMC Sierra 1500
6.0L V8 364ci
2004–2009
GMC Sierra 1500
6.0L V8 364ci
2004
GMC Sierra 1500
6.0L V8 364ci
2004
GMC Sierra 1500
6.0L V8 364ci
2005–2006
GMC Sierra 1500
5.3L V8 325ci
2006–2009
GMC Sierra 1500
4.8L V8 294ci
2006
GMC Sierra 1500
5.3L V8 325ci
2007–2008
GMC Sierra 1500
6.2L V8 376ci
2009–2013
GMC Sierra 1500
6.0L V8 364ci
2010–2013
GMC Sierra 1500
5.3L V8 325ci
2010–2013
GMC Sierra 1500
5.3L V8 325ci
2012
GMC Sierra 1500
5.3L V8 325ci
2013
GMC Sierra 1500
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
6.0L V8 364ci
2007
GMC Sierra 1500 Classic
6.0L V8 364ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2007
GMC Sierra 1500 Classic
6.0L V8 364ci
2007
GMC Sierra 1500 Classic
4.8L V8 294ci
2007
GMC Sierra 1500 Classic
5.3L V8 325ci
2001–2003
GMC Sierra 1500 HD
6.0L V8 364ci
2001–2003
GMC Sierra 1500 HD
6.0L V8 364ci
2005–2006
GMC Sierra 1500 HD
6.0L V8 364ci
2005–2006
GMC Sierra 1500 HD
6.0L V8 364ci
2007
GMC Sierra 1500 HD Classic
6.0L V8 364ci
2007
GMC Sierra 1500 HD Classic
6.0L V8 364ci
1999–2004
GMC Sierra 2500
6.0L V8 364ci
1999–2004
GMC Sierra 2500
6.0L V8 364ci
1999–2002
GMC Sierra 2500
6.0L V8 364ci
1999–2000
GMC Sierra 2500
5.3L V8 325ci
1999–2000
GMC Sierra 2500
5.3L V8 325ci
1999–2000
GMC Sierra 2500
5.3L V8 325ci
2002–2004
GMC Sierra 2500
6.0L V8 364ci
2003–2004
GMC Sierra 2500
6.0L V8 364ci
2001–2014
GMC Sierra 2500 HD
6.0L V8 364ci
2001–2014
GMC Sierra 2500 HD
6.0L V8 364ci
2001–2002
GMC Sierra 2500 HD
6.0L V8 364ci
2002–2005
GMC Sierra 2500 HD
6.0L V8 364ci
2003–2014
GMC Sierra 2500 HD
6.0L V8 364ci
2006
GMC Sierra 2500 HD
6.0L V8 364ci
2011–2014
GMC Sierra 2500 HD
6.0L V8 364ci
2007
GMC Sierra 2500 HD Classic
6.0L V8 364ci
2007
GMC Sierra 2500 HD Classic
6.0L V8 364ci
2007
GMC Sierra 2500 HD Classic
6.0L V8 364ci
2007
GMC Sierra 2500 HD Classic
6.0L V8 364ci
2001–2006
GMC Sierra 3500
6.0L V8 364ci
2001–2006
GMC Sierra 3500
6.0L V8 364ci
2001–2002
GMC Sierra 3500
6.0L V8 364ci
2004–2006
GMC Sierra 3500
6.0L V8 364ci
2006
GMC Sierra 3500
6.0L V8 364ci
2007
GMC Sierra 3500 Classic
6.0L V8 364ci
2007
GMC Sierra 3500 Classic
6.0L V8 364ci
2007
GMC Sierra 3500 Classic
6.0L V8 364ci
2007
GMC Sierra 3500 Classic
6.0L V8 364ci
2007–2014
GMC Sierra 3500 HD
6.0L V8 364ci
2007–2014
GMC Sierra 3500 HD
6.0L V8 364ci
2007–2014
GMC Sierra 3500 HD
6.0L V8 364ci
2011–2014
GMC Sierra 3500 HD
6.0L V8 364ci
2005–2007
Hummer H2
6.0L V8 364ci
2005–2007
Hummer H2
6.0L V8 364ci
2005–2007
Hummer H2
6.0L V8 364ci
2007
Hummer H2
6.0L V8 364ci
2009–2010
Hummer H3T
5.3L V8 325ci
2008–2009
Pontiac G8
6.0L V8 364ci
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⭐
Key Features
Fits GM LS or LT Series Engines
Headlock™ Bolts eliminate the need for lock washers, Period. That's because each Headlock™ Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.
Fits GM LS or LT Series Engines
- 12 per Package
- Includes Ball Head Socket Tool - to Start Header Bolt Into Head
- 410 stainless steel
- Minimum 180,000 PSI tensile strength
- 24 equally spaced clockwise teeth
📖
About this product
Fits GM LS or LT Series Engines
📋
Product Specifications
Brand
Mr. Gasket
California Proposition 65 Chemical Name
20
Category
Exhaust
Emission Code
5
Finish
Polished
Material
410 stainless steel
Part Type
Exhaust Header Bolt
Product Type
HeadLock Locking Header Bolts
Size
M8-1.25 x 25mm
Warning
California Proposition 65
Warranty
Manufacturer's Limited 90 Day Warranty
Weight
5
🛡️
Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
CN
Emissions Code
5
HS Code
7318158045
📐
Dimensions & Shipping
Product Dimensions
6.0 × 4.0 × 1.95 in
Shipping Dimensions
6.0 × 4.0 × 1.95 in
Weight
243 g (0.24 kg)