Kooks LS1/LS2/LS3/LS4/LS6/LS7/LS9/LSA Header Bolts and Locking Hardware

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" Stage 8 Locking Header Bolt Kit - 12) M8 - 1.25 x 25mm Bolts and Locking Hardware. GM LS Engines. Bolt Kits are included in most Header kits. This part number should only be ordered as a replacment for damaged or lost bolt kits. Stage 8 Locking Header Bolt Kit-12) M8-1.25 x 25mm Bolts and Locking Hardware. GM LS Engines. Bolt Kits are included in most Header kits. This part number should only be ordered as a replacment for damaged or lost bolt kits. Fitment: Buick Apollo Base 1973 to 1974 Buick GS Base 1970 to 1972 Buick GS 350 Base 1968 to 1969 Buick GS 400 Base 1968 to 1969 Buick GS 455 Base 1970 to 1972 Buick GS 455 GSX 1970 Buick Skylark 350 1970 Buick Skylark 350 1972 Buick Skylark Base 1968 to 1972 Buick Skylark Custom 1968 to 1972 Buick Sportwagon Base 1968 to 1972 Buick Sportwagon Custom 1968 to 1969 Cadillac CTS V 2009 to 2015 Cadillac Escalade Base 2002 to 2014 Cadillac Escalade Luxury 2011 to 2014 Cadillac Escalade Platinum 2008 to 2014 Cadillac Escalade Premium 2011 to 2014 Cadillac Escalade ESV Base 2003 to 2014 Cadillac Escalade ESV Luxury 2011 to 2014 Cadillac Escalade ESV Platinum 2008 to 2014 Cadillac Escalade ESV Premium 2011 to 2014 Cadillac Escalade EXT Base 2002 to 2013 Cadillac Escalade EXT Luxury 2011 to 2013 Cadillac Escalade EXT Premium 2011 to 2013 Chevrolet Camaro Base 1967 to 1980 Chevrolet Camaro Berlinetta 1979 to 1981 Chevrolet Camaro LT 1973 to 1978 Chevrolet Camaro LT Rally Sport 1976 to 1978 Chevrolet Camaro Rally Sport 1976 to 1980 Chevrolet Camaro RS 1967 to 1973 Chevrolet Camaro RS 1975 Chevrolet Camaro Sport 1981 Chevrolet Camaro SS 1967 to 1972 Chevrolet Camaro SS 2010 to 2015 Chevrolet Camaro Z/28 2014 to 2015 Chevrolet Camaro Z28 1967 to 1974 Chevrolet Camaro Z28 1977 to 1981 Chevrolet Camaro Z28 1998 to 2002 Chevrolet Camaro Z28 SS 1998 to 2002 Chevrolet Camaro ZL1 2012 to 2015 Chevrolet Caprice PPV 2011 to 2017 Chevrolet Chevelle 300 1968 Chevrolet Chevelle 300 Deluxe 1968 to 1969 Chevrolet Chevelle Base 1968 Chevrolet Chevelle Base 1970 to 1972 Chevrolet Chevelle Concours 1968 to 1972 Chevrolet Chevelle Concours Estate 1969 to 1972 Chevrolet Chevelle Greenbrier 1969 to 1972 Chevrolet Chevelle Malibu 1968 to 1972 Chevrolet Chevelle Nomad 1968 to 1972 Chevrolet Chevelle SS 1968 to 1972 Chevrolet Chevy II Nova 1968 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car 2003 Chevrolet Corvette Base 1997 to 2013 Chevrolet Corvette Grand Sport 2010 to 2013 Chevrolet Corvette Indianapolis 500 Pace Car 1998 Chevrolet Corvette Z06 2001 to 2004 Chevrolet Corvette Z06 2006 to 2013 Chevrolet Corvette Z06 Carbon 2011 Chevrolet Corvette ZR1 2009 to 2013 Chevrolet El Camino Base 1968 to 1972 Chevrolet El Camino Custom 1968 to 1972 Chevrolet El Camino SS 1968 to 1972 Chevrolet Nova Base 1969 to 1974 Chevrolet Nova Custom 1973 to 1974 Chevrolet Silverado 1500 Base 1999 to 2005 Chevrolet Silverado 1500 Hybrid 2004 to 2006 Chevrolet Silverado 1500 Hybrid 2009 Chevrolet Silverado 1500 LS 1999 to 2013 Chevrolet Silverado 1500 LT 1999 to 2013 Chevrolet Silverado 1500 LTZ 2007 to 2013 Chevrolet Silverado 1500 SS 2003 to 2006 Chevrolet Silverado 1500 WT 2002 to 2013 Chevrolet Silverado 1500 XFE 2010 to 2013 Chevrolet Silverado 1500 Z71 2004 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic SS 2007 Chevrolet Silverado 1500 Classic WT 2007 Chevrolet Silverado 1500 HD Base 2005 Chevrolet Silverado 1500 HD LS 2003 Chevrolet Silverado 1500 HD LS 2005 Chevrolet Silverado 1500 HD LT 2003 Chevrolet Silverado 1500 HD LT 2005 to 2006 Chevrolet Silverado 1500 HD Classic LT 2007 Chevrolet SS Base 2014 to 2017 Chevrolet Suburban 1500 Base 2000 to 2001 Chevrolet Suburban 1500 Base 2006 Chevrolet Suburban 1500 LS 2000 to 2014 Chevrolet Suburban 1500 LT 2000 to 2014 Chevrolet Suburban 1500 LTZ 2006 to 2014 Chevrolet Suburban 1500 Z71 2004 to 2007 Chevrolet Tahoe Base 2000 to 2001 Chevrolet Tahoe Base 2006 Chevrolet Tahoe LS 2000 to 2014 Chevrolet Tahoe LT 2000 to 2014 Chevrolet Tahoe LTZ 2007 to 2014 Chevrolet Tahoe PPV 2012 to 2014 Chevrolet Tahoe SSV 2012 to 2014 Chevrolet Tahoe Z71 2003 to 2006 GMC Sierra 1500 Base 2002 to 2005 GMC Sierra 1500 C3 2001 GMC Sierra 1500 Denali 2002 to 2013 GMC Sierra 1500 HT 2002 GMC Sierra 1500 Hybrid 2005 to 2006 GMC Sierra 1500 Hybrid 2009 GMC Sierra 1500 SL 1999 to 2003 GMC Sierra 1500 SL 2006 to 2013 GMC Sierra 1500 SLE 1999 to 2013 GMC Sierra 1500 SLT 1999 to 2013 GMC Sierra 1500 WT 2002 to 2013 GMC Sierra 1500 XFE 2010 to 2013 GMC Sierra 1500 Classic Denali 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT 2007 GMC Sierra 1500 HD SLE 2001 to 2003 GMC Sierra 1500 HD SLE 2005 to 2006 GMC Sierra 1500 HD SLT 2001 to 2003 GMC Sierra 1500 HD SLT 2005 to 2006 GMC Sierra 1500 HD Classic SLE 2007 GMC Sierra 1500 HD Classic SLT 2007 GMC Sprint Base 1971 to 1977 GMC Sprint Classic 1975 to 1977 GMC Sprint Custom 1972 to 1974 GMC Sprint High Sierra 1975 GMC Sprint Sierra Madre Del Sur 1976 GMC Sprint SP 1975 to 1976 GMC Yukon Denali 2001 to 2014 GMC Yukon SL 2006 GMC Yukon SLE 2000 to 2014 GMC Yukon SLT 2000 to 2014 GMC Yukon XL 1500 Denali 2001 to 2014 GMC Yukon XL 1500 SL 2006 GMC Yukon XL 1500 SLE 2000 to 2014 GMC Yukon XL 1500 SLT 2000 to 2014 Jeep Wrangler 70th Anniversary 2011 Jeep Wrangler 75th Anniversary 2016 Jeep Wrangler Rubicon 2007 to 2017 Jeep Wrangler Sahara 2007 to 2017 Jeep Wrangler Sport 2010 to 2017 Jeep Wrangler Sport S 2016 Jeep Wrangler Unlimited 70th Anniversary 2011 Jeep Wrangler Unlimited 75th Anniversary 2016 Jeep Wrangler Unlimited Rubicon 2007 to 2017 Jeep Wrangler Unlimited Sahara 2007 to 2017 Jeep Wrangler Unlimited Sport 2010 to 2017 Jeep Wrangler Unlimited Sport S 2016 Jeep Wrangler Unlimited X 2007 to 2010 Jeep Wrangler X 2007 to 2010 Jeep Wrangler JK Rubicon 2018 Jeep Wrangler JK Sahara 2018 Jeep Wrangler JK Sport 2018 Jeep Wrangler JK Sport S 2018 Jeep Wrangler JK Unlimited Rubicon 2018 Jeep Wrangler JK Unlimited Sahara 2018 Jeep Wrangler JK Unlimited Sport 2018 Jeep Wrangler JK Unlimited Sport S 2018 Oldsmobile 442 Base 1968 to 1971 Oldsmobile Cutlass Base 1968 to 1972 Oldsmobile Cutlass Cruiser 1972 Oldsmobile Cutlass S 1968 Oldsmobile Cutlass S 1971 to 1972 Oldsmobile Omega Base 1973 to 1974 Oldsmobile Vista Cruiser Base 1968 to 1972 Pontiac Firebird 350 1969 Pontiac Firebird 350 HO 1969 Pontiac Firebird 400 1969 Pontiac Firebird Base 1969 to 1981 Pontiac Firebird Esprit 1970 to 1981 Pontiac Firebird Formula 1970 to 1981 Pontiac Firebird Formula 1998 to 2002 Pontiac Firebird Sprint 1969 Pontiac Firebird Trans Am 1969 to 1981 Pontiac Firebird Trans Am 1998 to 2002 Pontiac G8 GT 2008 to 2009 Pontiac G8 GXP 2009 Pontiac GTO Base 1968 to 1972 Pontiac GTO Base 2004 to 2006 Pontiac GTO The Judge 1970 to 1971 Pontiac LeMans Base 1968 to 1972 Pontiac LeMans Luxury 1972 Pontiac LeMans Safari 1969 to 1970 Pontiac LeMans Sport 1970 to 1972 Pontiac LeMans T37 1971 Pontiac Tempest Base 1968 to 1970 Pontiac Tempest Custom 1968 to 1969 Pontiac Tempest GT 1970 Pontiac Tempest Safari 1968 to 1969 Pontiac Ventura Base 1971 to 1974 Pontiac Ventura Custom 1973 to 1974