ARP 134-3610 Chevy GM LS1 LS6 Cylinder HEAD BOLT Kit 2004-06 4.8L 5.3L 5.7L 6.0L

Description

ARP 134-3610 Chevy GM LS1 LS6 Cylinder HEAD BOLT Kit 2004-06 4.8L 5.3L 5.7L 6.0L
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You are bidding on a brand new ARP HEAD BOLT KIT p/n 134-6310 Fits mid-2004 and Newer GM LS GEN III engines with all same length head bolts.
!!!
IMPORTANT NOTE:
MUST HAVE
ALL
SAME length primary head bolts. There is a Mid-Year split on the head bolts, if you have 2 different size head bolts this kit is
NOT
for YOU, see part# 134-3609 in our other auction,
CLICK HERE to GO
IF UNSURE, DO NOT BUY THIS KIT
until you have pulled the head and verified the size.
!!!
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.