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ARP Auto Racing Cylinder Head Stud 1904003

Brand: ARP Auto Racing ARP Auto Racing
0 reviews
  • Have a product question? Ask us
  • Part Number: 190-4003
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by July 24
Retail: $309.74
Price: $294.99
You Save: $14.75
Engine Compatibility
Pontiac V8 400-421-455 Cubic Inch
Finish
Black Oxide
Head Type
Round Port Heads
Material
Chromoly Steel
Nut Type
Hex
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ARP Auto Racing Cylinder Head Stud

Cylinder Head Stud; For Use With 1968-1974 Pontiac 400 Ram Air 2/ 4/ 455 HO/ 455 Super Duty; Round Port Heads; Hex Nuts; Black Oxide; Chrome Moly

MPN: 1904003

It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition power plants. 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. Following heat treat, each stud is centerless ground to make it as close to perfectly concentric as possible. It’s important to note that lesser quality studs are not even centerless ground, the material is thread rolled in bar stock form. 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. ARP studs are thread rolled after heat treat, which gives them about 1000 Percent (that’s ten times) better fatigue strength than those studs that are threaded prior to heat treat. 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. 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. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.
Engine Compatibility: Pontiac V8 400-421-455 Cubic Inch
Head Type: Round Port Heads
Nut Type: Hex
Finish: Black Oxide
Material: Chromoly Steel

Features

  • Uses A Premium Grade 8740 Alloy That Is Rated Far Superior To Aircraft Quality
  • Stud Is Placed Vertically In Special Racks And Precisely Heat Treated To 200,000 PSI
  • Centerless Ground To Make It As Close To Perfectly Concentric As Possible
  • Thread Rolled After Heat Treat, Which Gives Them About Ten Times Better Fatigue Strength Than Those Studs That Are Threaded Prior To Heat Treat
  • Limited 90 Day Warranty
Specifications of ARP Auto Racing Cylinder Head Stud 1904003
Engine Compatibility Pontiac V8 400-421-455 Cubic Inch
Finish Black Oxide
Head Type Round Port Heads
Material Chromoly Steel
Nut Type Hex

1968 Pontiac Bonneville
1969 Pontiac Bonneville
1970 Pontiac Bonneville
1971 Pontiac Bonneville
1972 Pontiac Bonneville
1973 Pontiac Bonneville
1974 Pontiac Bonneville

1968 Pontiac Catalina
1969 Pontiac Catalina
1970 Pontiac Catalina
1971 Pontiac Catalina
1972 Pontiac Catalina
1973 Pontiac Catalina
1974 Pontiac Catalina

1968 Pontiac Executive
1969 Pontiac Executive
1970 Pontiac Executive

1968 Pontiac Firebird
1969 Pontiac Firebird
1970 Pontiac Firebird
1971 Pontiac Firebird
1972 Pontiac Firebird
1973 Pontiac Firebird
1974 Pontiac Firebird

1973 Pontiac Grand Am
1974 Pontiac Grand Am

1968 Pontiac Grand Prix
1969 Pontiac Grand Prix
1970 Pontiac Grand Prix
1971 Pontiac Grand Prix
1972 Pontiac Grand Prix
1973 Pontiac Grand Prix
1974 Pontiac Grand Prix

1971 Pontiac Grand Safari
1972 Pontiac Grand Safari
1973 Pontiac Grand Safari
1974 Pontiac Grand Safari

1971 Pontiac Grandville
1972 Pontiac Grandville
1973 Pontiac Grandville
1974 Pontiac Grandville

1968 Pontiac GTO
1969 Pontiac GTO
1970 Pontiac GTO
1971 Pontiac GTO
1972 Pontiac GTO
1973 Pontiac GTO

1968 Pontiac LeMans
1969 Pontiac LeMans
1970 Pontiac LeMans
1971 Pontiac LeMans
1972 Pontiac LeMans
1973 Pontiac LeMans
1974 Pontiac LeMans

1968 Pontiac Tempest
1969 Pontiac Tempest
1970 Pontiac Tempest

1900 Pontiac V8 326-455

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