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Instruction Sheets for Part Number MIL-81145
Main Cap Fasteners, Two Bolt Caps, 8740 Chrome Steel Studs, 4130 Heat Treated Steel Washers and Nuts, Holden, V8, Kit
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
81145
Part Type:
Product Line:
Summit Racing Part Number:
MIL-81145
UPC:
806621811458
Main Bolt Style:
2-bolt
Fastener Style:
Stud
Fastener Nut Style:
Standard hex
Head Style:
Hex
For Use with Stud Girdle:
No
Works with Windage Tray:
No
Fastener Tensile Strength (psi):
190,000 psi
Nuts Included:
Yes
Washers Included:
Yes
Quantity:
Sold as a kit.
Notes:
Fits Holden 253-308 C.I.D. V8 engines with factory style 2-bolt main caps or Milodon angle bolt main caps.
Milodon Main Stud Kits
Milodon main stud kits are required where maximum gasket loading and minimal wear and tear are exerted on the block threads. These engine studs are premium-grade, race-quality studs that are created from aircraft-quality 8740 chromoly steel right in Milodon's own plant. They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Milodon requires for all of their fasteners. This ensures strength and consistent torque readings. The tensile strength of these premium fasteners is 190,000 psi, which is more than adequate for the most demanding applications. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength nuts.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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