Head Stud Bolt Kit for GM Chevy LS/LM Engine LS1 LS3 5.3L 5.7L 04+
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: BOLT-KIT-LS1-04UP
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 Listed, 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
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
Item(s) Included:
- M11 Studs x20
- M8 Studs x10
- Nuts and Washers x30
Installed Picture(s):
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.