GEN 3 HEMI Main Stud Kit - ARP-244-5400

Manufacturer: ARP Fasteners
SKU: ARP-244-5400
Delivery date: 3-5 days
GEN 3 HEMI Main Stud Kit - 5.7L, 6.1L, 6.2L HO, 6.4L by ARP Fasteners.
Availability: 69 in stock
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ARP Main Stud Kit for All GEN 3 HEMI Applications 

Long-term bottom-end security is assured through use of ARP’s heattreated 8740 chrome moly main studs, which are rated at 190,000 psi tensile strength and far superior to factory TTY bolts that are yielded by design an should never be re-used. The kits include two main studs plus two side bolts per main cap to provide rock-solid support. Parallel ground washers, 12-point nuts for the studs, plus a packet of ARP Ultra-Torque® fastener lubricant are included. All ARP fasteners have threads that are rolled (not cut) after heat treatment.

ARP manufactures fasteners from a wide assortment of materials ranging from popular stainless steel and 8740 chrome moly to exotic alloys that have been developed to handle space travel.

You should also know that there are grades within specific alloys. For example, 8740 is available in four grades:

SDF (guaranteed seamless and defect free).
CHQ (cold head quality).

ARP uses only the first two (SDF and CHQ), even though they cost more than double “Aircraft” quality.

Petty's Garage installs ARP main studs in all of its high performance HEMI engine builds. 

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