MRM-1860 Stock Replacement Rocker Arm Nut

Name: MRM-1860 Stock Replacement Rocker Arm Nut
Brand: MELLING
SKU: 689-MRM-1860
Price: 2.99 USD
Availability: InStock

^$2⁹⁹

Ships on 09/11/2026

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Material: Carbon Steel
Nut Type: Open Hex
Thickness: 12.7 in.
Thickness: 1.0 mm
Thread Diameter: 0.315 in.

Melling MRM-1860 Features:
Made In USA. Melling recommends new rocker arm nuts with every engine rebuild. Old nuts are subject to metal failure, worn threads and also tend to be lost during the rebuilding process. Melling rocker arm nuts are manufactured to high quality and material standards. Using new rocker arm nuts assists with proper installation and valve train adjustment.
Thread Diameter: 8.0 mm
Thread Type: Fine
Threads Per Inch: 18
Universal Or Specific Fit: Specific

Part TypeRocker Arm Nut

BrandMELLING

Package Height0.45

Package Width0.65

Package Length0.7

Weight0.025 PG

Part CategoryReplacement Parts

Thickness12.7 in.

Universal Or Specific FitSpecific

Thread Diameter0.315 in.

MaterialCarbon Steel

Part FitmentDirect Fit

Threads Per Inch18

Thread TypeFine

Nut TypeOpen Hex

Grade TypeStandard Replacement

Vendor Part NumberMRM-1860

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

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