PROFORM 66754 Wedge-Locking Header Bolts; Hex Head; M8 X .984in; Chevy LS; Nickel Plt; 12 Pcs

PROFORM
PRF66754
6 In Stock
$44.35
$44.35
$44.35

PROFORM 66754 Wedge-Locking Header Bolts; Hex Head; M8 X .984in; Chevy LS; Nickel Plt; 12 Pcs

Vendor: PROFORM

PROFORM 66754 Wedge-Locking Header Bolts; Hex Head; M8 X .984in; Chevy LS; Nickel Plt; 12 Pcs

$44.35

Vendor: PROFORM

PROFORM 66754 Wedge-Locking Header Bolts; Hex Head; M8 X .984in; Chevy LS; Nickel Plt; 12 Pcs

$44.35
Engine Header Bolts; Wedge-Locking Technology; Hex Head Type; M8 Thread X .984 Inch Long; Shiny Nickel Plated; 12.9 Steel; 12 Pcs in kit; Fits GM LS Engines with 1/4in Wide Flange
Each PROFORM 12.9 Steel (equiv. Grade 8+) Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft-lbs, the washers super-hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self-locked in this manner, any bolt-loosening rotation is blocked by a wedge-locking action created by the washers interfacing, matching cams. It's an uphill climb: vibration that might ordinarily loosen the bolt actually increases the wedge-locking tension, securing the bolt even more. Because this simple wedge-locking method uses tension instead of friction, contact with oil actually facilitates the wedge effect. When changing headers, PROFORM Header Bolts can be untightened with a normal wrench, lubricated, and reused.

Application Summary:

Year Make/Model
2007-2013 Chevrolet Avalanche
2002-2006 Chevrolet Avalanche 1500
1997-1999 Chevrolet C1500
1997-1999 Chevrolet C1500 Suburban
1997-2000 Chevrolet C2500
1997-1999 Chevrolet C2500 Suburban
1997-2000 Chevrolet C35
1997-2000 Chevrolet C3500
1997-2002 Chevrolet Camaro
2010-2017 Chevrolet Camaro
2011-2017 Chevrolet Caprice
1997-2000 Chevrolet Cargo Van
2004 Chevrolet Cargo Van
2007-2017 Chevrolet Cheyenne
2009-2012 Chevrolet Colorado
1997-2017 Chevrolet Corvette
1997-2014 Chevrolet Express 1500
1997-2019 Chevrolet Express 2500
1997-2019 Chevrolet Express 3500
2009-2019 Chevrolet Express Cargo
2009-2019 Chevrolet Express Pasajeros
2006-2009 Chevrolet Impala
1997-1999 Chevrolet K1500
1997-1999 Chevrolet K1500 Suburban
1997-2000 Chevrolet K2500
1997-1999 Chevrolet K2500 Suburban
1997-2000 Chevrolet K3500
1999-2000 Chevrolet L30
2016-2018 Chevrolet LCF 3500
2006-2007 Chevrolet Monte Carlo
1997-2000 Chevrolet P30
2002-2004 Chevrolet P30
1997-1999 Chevrolet Silverado
1999-2017 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2001-2003 Chevrolet Silverado 1500 HD
2005-2006 Chevrolet Silverado 1500 HD
2007 Chevrolet Silverado 1500 HD Classic
1999-2014 Chevrolet Silverado 2500
2001-2019 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2001-2006 Chevrolet Silverado 3500
2008-2013 Chevrolet Silverado 3500
2015-2018 Chevrolet Silverado 3500
2007 Chevrolet Silverado 3500 Classic
2007-2019 Chevrolet Silverado 3500 HD
2000-2006 Chevrolet Sonora
2014-2017 Chevrolet SS
2003-2006 Chevrolet SSR
2014 Chevrolet Suburban
2016-2019 Chevrolet Suburban
1997-2014 Chevrolet Suburban 1500
2000-2013 Chevrolet Suburban 2500
2016-2019 Chevrolet Suburban 3500 HD
1997-2014 Chevrolet Tahoe
2006-2009 Chevrolet Trailblazer
2003-2006 Chevrolet Trailblazer EXT