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Product Summary

.38" Overall Height, 3/8"-24 Thread Pitch, Steel, Black

  • These nuts are a must when you rebuild your Flathead
  • Original flathead bolts are non-serviceable and must be reused
  • The castle nut design may differ slightly in appearance from OEM
  • Features rolled threads, high strength steel, and black oxide finish
  • They fit '32-'53 Ford/Mercury V-8 engines using standard 3/8" rod bolts

Key Specs

BrandARP

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Details

Repeated torquing of your rod nuts fatigues the threads. Don't take a chance – replace your Flathead Ford V8's old fasteners with the superior strength and quality of ARP rod nuts. ARP specialty hardware can be found in NASCAR, NHRA and IndyCar racing applications, so you can be sure it's strong enough for your flathead.

  • Rolled threads, high strength steel, and black oxide finish  
  • A must when you rebuild your Flathead
  • Castle nut design may differ slightly in appearance from OEM
  • Fits '32-'53 Ford/Mercury V-8 engines using standard 3/8" rod bolts
  • Original flathead bolts are non-serviceable and must be reused
  • Set/16 nuts

Specifications

KEY SPECS
BrandARP
GENERAL
Overall Height.38"
Thread Pitch3/8"-24
Material TypeSteel
FinishBlack Oxide
Sold in QuantitySet
NotesLoctite 271 should be utilized upon installation.
ColorBlack