ARP Fasteners 134-5601 Small Block Chevy 4-Bolt Main Stud Kit
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Please NOTE the following about this product:
- This item is sold as a set.
Q & A
What's in the Box
ARP Main Stud kits eliminate main cap walk and fretting, as well as protect the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. The studs are manufactured from 8740 Chromoly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others.
NotesARP recommends the use of main studs over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don’t “twist” into the block. All clamping forces are on one axis. By the same token, there is less force exerted on the block threads, which contributes to improved block life (very critical on aluminum blocks). Finally, there are factors of easier engine assembly and proper alignment of caps every time.
Item DetailsLarge Journal ONLY - Hex Head Nuts
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Stainless steel screen locates between the block and the oil filter to stop debris before it enters the filter element. Periodic inspections serve as early warning of engine failure. Fits S/B, B/B and 90° V-6 Chevy engines with spin-on oil filters. Does not affect oil pressure.
- Unique stainless steel screen locates on top of spin-on oil filters to trap debris before it enters the filter element undetected
- Particulate matter trapped in the screen and detected during periodic inspections serves as an "early warning signal" for impending engine failures
- 304 stainless steel filtration-grade screen traps contaminants down to the 280 micron range without affecting oil flow or oil pressure
- Crimped rings at both outside and inside diameters provide increased strength and extended durability
Eliminates galling, metal transfer and oil starvation during initial break-in. Adheres to metal surfaces, will not drain off. Apply to bearings, gears, crankshafts, cam lobes, valve stems, lifters and all mating parts with close tolerances.
For gas, alcohol and nitro engines.
Learn why using assembly lube is so important in our tech article, Installing New Hardware.
Choose ARP S/B Chevy Main Stud Kits for the ultimate in strength and reliability. These studs are for 4-bolt main blocks with splayed outer bolts.
Choose ARP S/B Chevy Main Stud Kits for the ultimate in strength and reliability. These studs are for use with 4-bolt main blocks and accept windage trays (windage tray not included).