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2 sets needed per Engine. These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM # 12498545.


The basic heads and camshaft bolt and Gasket kit comes with everything needed for your heads and cam swap! The kit includes new gaskets and bolts. Kit includes: ls9 head gaskets best gasket to use on most LS builds Head Bolts all long bolts Water Pump Gaskets Timing Cover Seal Front Seal GM Harmonic Balancer Bolt.





Replaces part234-4317. While this is not genuine OEM part, it is a direct replacement. See below for the full vehicle compatible list. Lifetime warrantythe cylinder gasket head stud Bolt from KET comes complete with a lifetime warranty.
3l 5. 7l 6. 0l engines ; 2004-2019 chevy lS1 LS6 L98 4. 8l 5. 3l 6. 0l engines. Package includes10* m8 studs;20* m11 head studs;30* parallel-ground washers;30* 12-point Nuts. 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.
1. Fel-Pro
#ad
FEL-PRO ES 72173 Head Bolt Set
#adFel-Pro #ad - Meets or exceeds all original equipment specifications. Validated for fit, form and function. Unsurpassed quality you can trust. Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Application specific design to ensure a perfect fit.More information #ad
Brand | Fel-Pro #ad |
Manufacturer | FEL-PRO #ad |
Height | 2.3 Inches |
Length | 9.7 Inches |
Weight | 2.76 Pounds |
Width | 4.5 Inches |
Part Number | ES72173 |
Model | ES72173 |
More information #ad
2. Michigan Motorsports
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Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 Bolts for 2 Heads
#adMichigan Motorsports #ad - 1997-2003 heads used qty 8 155mm bolts, and qty 5 45mm bolts 2004-2014 heads used qty 10 100mm bolts, qty 2 100mm bolts, and QTY 5 45mm bolts 2 Sets Needed per Engine These cannot be reused after being torqued down because they stretch when torqued.2 sets needed per Engine. These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM # 12498545.
More information #ad
They are the gen-3 design that use three different bolt lengths and were used by GM from 1997 through mid-year 2004. Choose the option for enough fasteners for one or both cylinder heads. Ls 1997-2003 ls head bolt kit ls1 ls6 lq4 lq9 lm7 4. 8 5. 3 5. 7 6. 0 .Brand | Michigan Motorsports #ad |
Manufacturer | Michigan Motorsports #ad |
Part Number | AJ251 |
More information #ad
3. Michigan Motorsports
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Michigan Motorsports LS 2004-2014 LS Head Bolt Kit LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 5.3 5.7 6.0 6.2 Bolts for 2 Heads
#adMichigan Motorsports #ad - Be sure to note which head bolts you need as GM used two different style LS head bolts. Michigan motorsports ls 2004-2014 ls head bolt kit ls2 ls6 lq4 lq9 ly5 LY6 LM7 5. 3 5. 7 6. 0 6. 2. In early 2004, gm changed the head bolt design from various sizes to the new style which are all the shorter length.More information #ad
2 sets needed per Engine. 1997-2003 heads used qty 8 155mm bolts, qty 2 100mm bolts, and qty 5 45mm bolts 2004-2014 heads used qtY 10 100mm bolts, and QTY 5 45mm bolts. Choose the option for enough fasteners for one or both cylinder heads.Brand | Michigan Motorsports #ad |
Manufacturer | Michigan Motorsports #ad |
Height | 2 Inches |
Length | 9.5 Inches |
Width | 6 Inches |
Part Number | AJ251 |
More information #ad
4. Michigan Motorsports
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Cam Bolt & Gasket Kit Fits LS Models 2004 and up 4.8 5.3 5.7 6.0 LS3 LQ9 LQ4 LS9, Michigan Motorsports Heads
#adMichigan Motorsports #ad - Please be sure you know which style bolts your vehicle requires before ordering. Prior to 2004, all of the gen3 and Gen4 GM small block engines had head bolts of varying lengths.The basic heads and camshaft bolt and Gasket kit comes with everything needed for your heads and cam swap! The kit includes new gaskets and bolts. Kit includes: ls9 head gaskets best gasket to use on most LS builds Head Bolts all long bolts Water Pump Gaskets Timing Cover Seal Front Seal GM Harmonic Balancer Bolt.
More information #ad
In early 2004, gm changed the head bolt design from that style to the new style which are all the shorter length. 2004+ ls basic heads & cam Bolt & Gasket Kit.Brand | Michigan Motorsports #ad |
Manufacturer | Michigan Motorsports #ad |
Part Number | LS9HeadGasket,CamGasket,2004+ bolts |
More information #ad
5. CNS EngineParts
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LS-6, LS-1", CNS Complete Cylinder Head Bolts Set 1st Design Compatible with 97-04 GM/Isuzu 4.8L & 5.3L & 5.7L & 6.0L OHV V8 16V,"VORTEC
#adCNS EngineParts #ad - Compatible with: 97 - 04 gm / isuzu 4. 8l & 5. 3l & 5. 7l & 6. 0l ohv v8 16v, "vortec, LS-6, LS-1".30 cylinder head bolts 16-Long, 4-Medium, 10-Short. Please refer to hbk130 if you are looking for the 2nd design of these Head Bolts.More information #ad
Brand | CNS EngineParts #ad |
Manufacturer | CNS Engine Parts #ad |
Weight | 6 Pounds |
Part Number | HB5980 |
More information #ad
6. Michigan Motorsports
#ad
LS3 L76 L99 Head Rocker Arm Conversion Kit LS1 LS2 LQ4 LQ9 5.3 5.7 6.0 and bolts
#adMichigan Motorsports #ad - This kit is made for those converting to ls3/l76/l99/L92/LS9 Heads. You will simply reuse your stock LS1 style exhaust rocker arms to complete the kit. Ke rocker arms and stands specific to these heads. Ls3 rocker arms conversion kit.More information #ad
These style heads use 1. 7 offset intake rocker arms and stands specific to these heads. Fits all ls3 l99 l76 l92 LS9 Heads. Includes qty 8 new gm ls3 rocker arms, qty 2 GM LS3 Rocker Arm Stands, QTY 16 New Trunion Bolts. This kit includes the intake rocker arms, stands and bolts.Brand | Michigan Motorsports #ad |
Manufacturer | Michigan Motorsports #ad |
Part Number | 24500-08+25400-02+24300 |
More information #ad
7. DNJ
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Buick, DNJ HBK3165 Head Bolt Kit/For 1997-2006/ Avanti, Pontiac/ 4.8L-6.0L/ V8/ 16V/ OHV/ LM4, GMC, Chevrolet, LS1, LM7, Cadillac, Hummer
#adDNJ #ad - It makes sense for us to carry a brand that would help us earn customer loyalty in the long run. Fitment notes: one set services complete Engine, w/ 1st Design, LR4, One Set Services Complete Engine. Fits: 97-06 isuzu, gmc 4. 8l-6. 0l v8 ohv naturally aspirated lh6, Chevrolet, L59, -, ls1, LM4, LM7.More information #ad
We carefully selected dnj engine components as the sole provider. Dnj has a 30+ year track record of quality, experience, and trust. This is brand new: DNJ® Head Bolt Kit. Dnj engine components is a full line provider of Domestic & Japanese engine parts for cars and trucks.Brand | DNJ #ad |
Manufacturer | DNJ #ad |
Height | 3 Inches |
Length | 9 Inches |
Width | 5 Inches |
Part Number | HBK3165 |
Model | HBK3165 |
Warranty | 1 year manufacturer |
More information #ad
8. Fel-Pro
#ad
FEL-PRO ES 72220 Head Bolt Set
#adFel-Pro #ad - Avoid risk associated with re-use of T-T-Y torque to yield head bolts. Fit type: Vehicle Specific. Application specific design to ensure a perfect fit. Meets or exceeds all original equipment specifications. Validated for fit, form and function. Unsurpassed quality you can trust.More information #ad
Brand | Fel-Pro #ad |
Manufacturer | FEL-PRO #ad |
Height | 2.4 Inches |
Length | 7.6 Inches |
Weight | 2 Pounds |
Width | 4 Inches |
Part Number | ES72220 |
Model | ES 72220 |
Warranty | Contact retailer/seller for assistance |
More information #ad
9. YZQPNB
#ad
12-Point Cylinder Gasket Head Stud Bolt Kit Compatible with 2004-2019 LS1 LS3 5.3L 5.7L 6.0L Engines / Chevy LS1 LS6 4.8L 5.3L 6.0L 234-4317
#adYZQPNB #ad - With professional processing technology the surface is treated with black oxide finish and the old or damaged cylinder head bolt kits can be directly replaced. Premium builtcylinder head stud kit is made of 8740 high tensile strength chromoly steel strict quality testing.Replaces part234-4317. While this is not genuine OEM part, it is a direct replacement. See below for the full vehicle compatible list. Lifetime warrantythe cylinder gasket head stud Bolt from KET comes complete with a lifetime warranty.
More information #ad
If there is any problem with the product, please contact us and we'll solve it for you immediately. Compatible with2004-newer ls1 ls3 5. 3l 5. 7l 6. 0l engines ; 2004-2019 chevy lS1 LS6 L98 4. 8l 5. 3l 6. 0l engines. Package includes10* m8 studs;20* m11 head studs;30* parallel-ground washers;30* 12-point Nuts. 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.
Brand | YZQPNB #ad |
Manufacturer | KET #ad |
Part Number | 234-4317 |
More information #ad