ARP 134-3609 Cylinder HEAD BOLT Kit GM Chevy 1998-03 LS1 LS6 4.8L 5.3L 5.7L 6.0L

  

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Over 100,000+ customers and counting! (GM LS GEN III engines that utilize 2 different length head bolts plus a third smaller bolt size). IMPORTANT NOTE: MUST HAVE 2 different length primary head bolts plus a third smaller bolt. ARP® uses a premium grade 8740 chromoly that is rated far superior to to "aircraft quality".

Then, each bolt is placed vertically in special racks and precisely heat-treated to 200,000 psi. This procedure ensures complete heat penetration and the results are far superior to those lesser quality bolts from other manufacturers who just dump pieces in a basket and hope for the best.

Following heat-treat, each bolt is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part.

It s important to note that lesser quality bolts are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP® bolts are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that won t happen with inferior quality head bolts. ARP® bolts are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those bolts that are threaded prior to heat-treat (a very common industry practice).

It costs a lot more to do it this way, because it s tough on tooling, but the results are well worth the extra effort. In Stock, normally ships same day ordered (excluding weekends :-). The item "ARP 134-3609 Cylinder HEAD BOLT Kit GM Chevy 1998-03 LS1 LS6 4.8L 5.3L 5.7L 6.0L" is in sale since Monday, February 25, 2013. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Engine Rebuilding Kits".

The seller is "lightningmotorsports" and is located in Baton Rouge, Louisiana. This item can be shipped worldwide.

1. Country of Manufacture: United States
2. Part Brand: ARP
3. Country/Region of Manufacture: United States
4. Surface Finish: Black Oxide
5. Manufacturer Part Number: 134-3609
6. Other Part Number: ARP 134-3609
7. Brand: ARP
8. Fitment Type: Performance/Custom
9. Warranty: Yes