JEGS
High-Strength Head Bolt Kit for 1997-2003 GM LS Engines [6-Point Head]
555-83405
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GM LS
JEGS 555-83405 Head Bolt Kit Features:
- Fits 1997-2003 GM LS engines including 4.8L, 5.3L, 6.0L, 6.2L and others based on the popular platform
- Ideal for engine repair when changing the cylinder heads or head gaskets
- Seals cylinder heads properly at a bargain price
- Made with high-quality materials
- These are reusable bolts as these are not torque-to-yield one-time-use fasteners
- These head bolts fit GM LS engines up to December 2003 and are NOT Torque-to-Yield and can be reused.
- This bolt kit is for GM LS engines that have two lengths of 11mm head bolts.
JEGS 555-83405 Head Bolt Kit Includes:
- (4) 11mm-2.0 x 103mm Head Bolts
- (16) 11mm-2.0 x 158mm Head Bolts
- (10) 8mm-1.25 x 48mm Head Bolts
- (30) Head Bolt Washers
FAQ
Can you reuse head bolts on a 5.3L LS engine?
- All GM LS-based engines use torque-to-yield bolts and are for one-time use only.
What size are the head bolts on a GM LS engine?
- The head bolts on GM LS engines vary in size. The JEGS 83405 LS head bolts are specifically designed for LS engines with 11mm head bolts, providing the correct sizing, gen 4 head bolt torque, and length for reliable installation.
How many head bolts does an LS1 engine have?
- An LS1 engine typically has 10 head bolts per cylinder head. Ensure proper installation with the JEGS 83405 LS head bolts, designed for optimal fit, and performance.
Are LS JEGS head bolts reusable?
- No, they are torque to yield and should not be reused.
Specifications:
What’s the torque for these bolts I know it’s their not torque to yield
Do these bolt come with instructions with a specific torque and sequence or are they just the same as oem?
Just had 2 studs snap on speedmaster studs and looked at others that had all streached out of shape. I know they are made in china. Where are your bolts made and quality compared to speedmaster studs?
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