Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
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Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400

5 stars out of 9 reviews
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Key item features

Proform 66753 PFM66753 WEDGE-LOCKIN HDR BLTS 1L X 3/8
Additional Features
  • Color:Black Oxide
  • Finish:Black Oxide
Current price is $34.99$34.99/lb
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Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
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Comparison Chart:
Vehicle model66753Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400PlasticExhaust Pipe Muffler Tailpipe, Car Modification Exhaust Pipe for Enhanced Vehicle Aesthetics and Performance, Universal Fit for Cars, Easy InstallationP75-66757Proform 66757 Wedge-Locking Collector Bolts 3/8 Diameter 1.25 Long Black Oxide FSilverado 1500Exhaust Clamp - Compatible with 1999 - 2018 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 20178885Trans-Dapt Mini Head Header Bolts (12)MalibuWalker Rear Converter To Resonator Exhaust Clamp compatible with Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6 2008-2012Victor Big BlockEdelbrock Stainless Steel Exhaust Valve for Victor Big Block Chrysler Cylinder HeadsSilverado 1500Exhaust Manifold Hardware Kit - Compatible with 1999 - 2022 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021CamaroLine To Muffler Exhaust Clamp - Compatible with 1984 - 2002 Chevy Camaro Z28 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 200166751Proform 66751 PFM66751 WEDGE-LOCKIN HDR BLTS 3/4L X 3 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
Vehicle year1988Proform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400-Exhaust Pipe Muffler Tailpipe, Car Modification Exhaust Pipe for Enhanced Vehicle Aesthetics and Performance, Universal Fit for Cars, Easy Installation-Proform 66757 Wedge-Locking Collector Bolts 3/8 Diameter 1.25 Long Black Oxide F1999Exhaust Clamp - Compatible with 1999 - 2018 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017-Trans-Dapt Mini Head Header Bolts (12)2008Walker Rear Converter To Resonator Exhaust Clamp compatible with Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6 2008-2012-Edelbrock Stainless Steel Exhaust Valve for Victor Big Block Chrysler Cylinder Heads1999Exhaust Manifold Hardware Kit - Compatible with 1999 - 2022 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 20211984Line To Muffler Exhaust Clamp - Compatible with 1984 - 2002 Chevy Camaro Z28 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 20011999Proform 66751 PFM66751 WEDGE-LOCKIN HDR BLTS 3/4L X 3 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
Vehicle makeGMProform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400-Exhaust Pipe Muffler Tailpipe, Car Modification Exhaust Pipe for Enhanced Vehicle Aesthetics and Performance, Universal Fit for Cars, Easy InstallationFord, ChevroletProform 66757 Wedge-Locking Collector Bolts 3/8 Diameter 1.25 Long Black Oxide FChevroletExhaust Clamp - Compatible with 1999 - 2018 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017ChevyTrans-Dapt Mini Head Header Bolts (12)ChevroletWalker Rear Converter To Resonator Exhaust Clamp compatible with Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6 2008-2012ChryslerEdelbrock Stainless Steel Exhaust Valve for Victor Big Block Chrysler Cylinder HeadsChevroletExhaust Manifold Hardware Kit - Compatible with 1999 - 2022 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021ChevroletLine To Muffler Exhaust Clamp - Compatible with 1984 - 2002 Chevy Camaro Z28 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001ChevroletProform 66751 PFM66751 WEDGE-LOCKIN HDR BLTS 3/4L X 3 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
Vehicle fitment typeSpecificProform 66753 Header Bolts-Black Oxide Finish - Grade 8 Steel - Set of 12 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400-Exhaust Pipe Muffler Tailpipe, Car Modification Exhaust Pipe for Enhanced Vehicle Aesthetics and Performance, Universal Fit for Cars, Easy InstallationSpecificProform 66757 Wedge-Locking Collector Bolts 3/8 Diameter 1.25 Long Black Oxide FSpecificExhaust Clamp - Compatible with 1999 - 2018 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017SpecificTrans-Dapt Mini Head Header Bolts (12)SpecificWalker Rear Converter To Resonator Exhaust Clamp compatible with Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6 2008-2012SpecificEdelbrock Stainless Steel Exhaust Valve for Victor Big Block Chrysler Cylinder HeadsSpecificExhaust Manifold Hardware Kit - Compatible with 1999 - 2022 Chevy Silverado 1500 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021SpecificLine To Muffler Exhaust Clamp - Compatible with 1984 - 2002 Chevy Camaro Z28 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001UniversalProform 66751 PFM66751 WEDGE-LOCKIN HDR BLTS 3/4L X 3 Fits select: 1999-2021 CHEVROLET SILVERADO, 1988-2000 CHEVROLET GMT-400
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5 out of 5 stars
stars9 ratings5 reviews
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Showing 1-3 of 5 reviews

Feb 14, 2015
Retired With Jeeps
5 out of 5 stars review

Great invention !!

2nd time I've used these bolts. I won't use anything else from here on out. Over the years I've had issues with header bolts loosening..what a pain. NOT WITH THESE BOLTS ! Try 'em and you'll like 'em. Kinda pricey........til you use 'em.

Review from jegs.com
Helpful?1Q9WLV58U8Z9141698499
Oct 3, 2016
Justravlin
5 out of 5 stars review

Awesome Locking Header Bolts

I am amazed on how well these bolts and wedges hold. I have rechecked them after a 100 miles and they are the same tightness as when I installed them.

Review from jegs.com
Helpful?1Q9WLV58U8Z9141698499
Jun 12, 2022
Squaresville Nate
5 out of 5 stars review

Still good after the years.

Just like my title says. I installed them the years ago, along with dead soft aluminum gaskets. Perfect combo! Not a leak and not a single issue.

Review from jegs.com
Helpful?1Q9WLV58U8Z9141698499