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Vehicle Info NeededCHEVROLET PERFORMANCEPART NUMBER: 809-17800568
Cylinder Head Bolt Kit LS Engine Gen III and Gen IV
$4599
Ships on Nov 03, 2026
Lowest Price Guarantee
Cylinder Head Bolt Kit
- Cylinder Head Bolt Kit
- LS Engine Gen III and Gen IV
- Kit of 15 bolts for LS-Series engines produced from January 2004and later
- Bolts are 5mm shorter than previous design
- Services single cylinder head only (2 kits required per engine)
- Chevrolet Performance Cylinder Head Bolts offer exact tolerances and reliability for installation on iron or aluminum cylinder heads. Essential to engine building, cylinder head bolts are crucial to proper jointing of the cylinder head to the block. Chevrolet Performance designs their cylinder head bolts to withstand rigorous specifications and are manufactured to be worry free when building your street, hot rod or race engine.
Part TypeCylinder Head Bolt
Product LineChevrolet Performance Cylinder Head Bolts
BrandCHEVROLET PERFORMANCE
Package Height2.7
Package Width5.3
Package Length1.783
Weight2.05 PG
Part CategoryPerformance Parts
Head Tool Size (Mm)10
Thread Diameter0.315
Minimum Length21.68
MaterialsSteel Rockwell C 38
Bolt Length (In)4
Washers IncludedNo
Thread Length (In)0.862
Bolt Thread Diameter (Mm)11
Bolt FinishPhosphate Zinc
Thread Length (Mm)21.9
Fastener StyleBolt
Head Drive TypeHex Head Flanged
ColorSilver
QuantitySold as a set
Fastener FinishCadmium plated
Bolt Grade10.9
MaterialSteel
Thread TypeCoarse
Fastener MaterialChromoly
Undercut StudNo
Head Tool Size0.394
Bolt Length (Mm)101.1
Cut To FitNo
Part FitmentSemi Universal
Head StyleHex
Bolt Thread Diameter (In)0.4
Vendor Part Number17800568
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
