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Your cart is empty.It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud 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 studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each stud 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 studs 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 studs 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 studs Head Bolt Kit w/ Motown LS Iron Block w/LS Series Heads w/ Motown LS Iron Block w/LS Series Heads w/ Motown LS Iron Block w/LS Series Heads w/ Motown LS Iron Block w/LS Series Heads w/ Motown LS Iron Block w/LS Series Heads
Alston huesers
2025-09-05 20:07:58
Misleading information. These do not fit the 5.3/4.8 ls motors. These head bolts are super short.
Chase Atkinson
2024-12-09 15:20:00
I disliked the fact Amazon told me these would fit my motor and they did not fit!
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