CXRacing Chromoly Cylinder Head Stud Kit + Crank Bolt / Harmonic Balancer Bolt for 2004+ GM/Chevy Gen III LS/LM Engines
Fits 2004 and Up Chevy Gen III LS Series, 4.8L / 5.3L / 5.7L

1. Does NOT Fit Gen IV LS9/LQ9 6.0L / 6.2L / 7.0L Engines

2. Does NOT Fit Pre-2003 Gen III Engines, Which Have Different Length M11 Studs. But We Also Carry These Studs, Please Check Our Other Items.

Note: Due to Different Length and QTY of Bolts Used In Different Yr/Model of Engines, Please Make Sure to Double Check Your Existing Bolts to Match What Is Sold, See Below Description and Pictures


Features:

- 220,000 PSI Strength

- 12 Point Nuts, with Washers

- Black Oxide Finish

- Comes with:

M11 x 186mm Stud x 20 pcs
M8 x 64mm Stud x 10 pcs
Crank Bolt / Harmonic Balancer Bolt and Washer x 1 pcs

These Cylinder Head Studs Are Made With High Quality Chromoly Steel, Hold Extreme Strength for High Power Engine Builts, Such As Boosted Applications.

Recommended Torque Spec:

1. First Pass All M11 Bolts in Sequence: 22 lb/ft

2. Second Pass All M11 Bolts in Sequence: 90 degrees, 50 lb/ft

3. Final Pass All M11 Bolts in Sequence (Excluding the Bolts at the Front and Rear of Each Cylinder): 90 degrees, 75 lb/ft

4. Final Pass M11 Bolts at the Front and Rear of Each Cylinder Head in Sequence: 70 degrees, 75 lb/ft

5. M8 Inner Bolts in Sequence: 22 lb/ft

What's in the box?:
This Item is for the Stud Bolt Kit and Crank Bolt / Harmonic Balancer Bolt ONLY, All Other Parts Shown are NOT INCLUDED.

Product(s):
- 20x M11 Studs
- 10x M8 Studs
- 30x Nuts and Washers
- 1x Crank Bolt / Harmonic Balancer Bolt + Washer


Installed Photos:


























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Head Stud Bolt Kit + Crank Crankshaft Bolt for GM Chevy LS/LM Engine LS1 LS3 5.3L 5.7L 04+

  • Brand: CXRacing
  • Product Code: BOLT-KIT-LS1-04UP-CRANK
  • Availability: In Stock
  • $62.73


  • Emissions Control Warning:
  • It is illegal to sell, install, or offer for sale any aftermarket part that alters or modifies the original design or performance of the motor vehicle pollution control system. Product(s) listed here is(are) solely for Competition Vehicles(race vehicles) that are for Off-Road, Track Racing ONLY. All parts are for use on a vehicle that will NEVER be used, or licensed, or registered for use upon a street and highway. DO NOT Purchase the part(s) if you are intending to use it(them) on a Street/Highway vehicle(s).

  • All Products by CXRACING are solely for Competition Vehicles(race vehicles) that are for Off-Road, Track Racing ONLY. All parts are for used on a vehicle that will NEVER be used, or licensed, or registered for use upon a street and highway. DO NOT Purchase the part(s) if you are intending to use it(them) on a Street/Highway vehicle(s).

  • PROPOSITION 65 WARNING

  • These products may contain chemicals known to the State of California to cause birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov.