Engine Kits

ARP Head Studs, Buick

ARP Buick Head Stud Kits.: It is for good reason that virtually every top professional engine builder relies on ARP  head studs for their all-out competition powerplants. Simply stated, there’s not a better stud setup on the market today.

For openers, ARP Head Stud Kits uses a premium grade 8740 alloy that is rated far superior to “aircraft” quality. Then, 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.

ARP
Head Stud KitsFollowing heat-treat, each ARP Head 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 Head Stud Kits 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.

ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (that’s ten times) better fatigue strength than those studs 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 ARP
Head Studworth the extra effort.

You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the “stretch” of both studs, which makes for a more consistent clamping force – and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing!

Premium quality heat-treated 8740 chrome moly steel head stud kits are available for most every domestic and import applications. You won’t find a better quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality.

ARP head stud kits are available with your choice of conventional hex nuts or compact 12-point nuts. Premium quality parallel ground washers are also included with each kit. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.

 

ARP
Head Stud Kits
Please read
Head Bolt and Stud Tech Tips
and
HEAD STUDS vs. BOLTS



This product is in the following categories:

HomeBolt Kits, Studs, FastenersHead Bolts and Head Studs

Manufacturer:

ARP Bolts

Part #: 123-4001

Buick V6 Stage I (1977-1985), ARP 123-4001 Cylinder Head Stud kit with hex nuts.
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Buick 215, ARP 124-4202 Cylinder Head Stud kit with 12 point nuts.
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Part #: 124-4204

Buick 401-425 cid, nail head, ARP 124-4204 Cylinder Head Stud kit with 12 point nuts.
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Buick 455 ARP 125-4001 Cylinder Head Stud kit with hex nuts.
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Buick 455 cid, ARP 125-4201 Cylinder Head Stud kit with 12 point nuts.
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Buick V6 with 1986-1987’ block and GN1 Champion heads, ARP 223-4204 Cylinder Head Stud kit with 12 point nuts.
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