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12-Point Cylinder Gasket Head Stud Bolt Kit Compatible with Chevy LS1 LS3 LS6 4.8L 5.3L 5.7L 6.0L 2004-2019 Replacement for 234-4317

4.8 (6) Write Review
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$48.69

$ 22 .99 $22.99

In Stock

About this item

  • 【Compatibility】 The cylinder head screw set is compatible with Chevy Chevrolet 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 LS1 LS6 4.8L 5.3L 5.7L 6.0L engines
  • 【Forging Process】The bolts are cold forged to ensure molecular integrity and heat treated before thread rolling and machining, with a nominal rating of 200,000 psi.
  • 【Quality Standard】Each cylinder head screw set is strictly manufactured to ensure zero defects-hardened and parallel ground washers are included with zero failures to ensure uniform load distribution and accurate torque readings.
  • 【Features】The 12-point cylinder head and large-area flange eliminate the valve mechanism disassembly required for cylinder head torsion, and allow the use of larger diameter valve springs, providing more "stretch" to eliminate cylinder head gasket failure to compensate for gasket failure Extra compression.
  • 【Installation Suggestions】Product installation involves the engine, the internal structure of the engine is complex, it is recommended to operate under professional installation


Material: Iron
Compatible with Chevy Chevrolet 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Compatible with Chevy Chevrolet LS1 LS6 4.8L 5.3L 5.7L 6.0L engines.
Performance: The high-performance cylinder head bolts have a reduced hexagon wrench or 12-point and large-area flange head, which can eliminate the need to disassemble the valve mechanism to facilitate the re-tightening of the cylinder head. All high-performance series bolts are 180,000 psi (15% stronger than grade 8), and the kit is also equipped with hardened parallel ground washers.
Products include: as shown in the picture


Carlton
2025-08-12 17:47:09
All good
Ashley Harkins
2025-06-14 16:31:59
One bolt was not threaded read reviews from now on I guess
JASON
2025-03-24 18:56:04
Only came with half of the nuts to build engine
Brian r.
2025-01-25 18:18:05
The media could not be loaded.
RonaldFraser
2025-01-17 14:49:40
So far so good
Max
2024-12-04 11:25:48
There missing half the nuts. Don't buy this item.