This listing is for a brand new set of stock replacement rocker arm nuts from Elgin Industries that meet or exceed OEM specifications. Set comes with 12 nuts. They are the self locking style nut and fit 3/8" x 24 fine thread rocker studs.

This set fits 1963-1989 Chevy 4.8L 292 6 cylinder engines listed below.

• 292 CID (4.8L) 1963-1989

Rocker Nut Details/Specifications:

• Part Number: RM1786
• Brand: Elgin Industries
• Thread Size: 3/8" x 24 Fine Thread
• Wrench Size: 5/8"
• Country Made In: Canada

Please check your old parts to ensure the correct fit, refer to the manufacturers catalog or contact me with any application questions.