Seller notes

Elgin Rocker Arm RK-840SPN; Nitro Steel 3/8 1.6 Long Slot w/Ball, Nut for SBCEngine Rocker Arm Model or Series: NitroMake: ChevyEngine: 262 to 400Mounting Style: StudRocker Style: Long SlotRatio: 1.6Stud Size: 3/8 in.Material: SteelIncludes Nuts/Polylocks: Lock Nuts IncludedFinish: NaturalSelf-Aligning or Guide Plates Required: Guide PlateNotes: With grooved ballQuantity: Sold As Each Precision die-formed steel that has 3-5 times greater resistance to wear, fatigue, and fracture in high-stress a...

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