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Rocker arm nut. 3/8”-24 UNF / approx. 9.53 mm thread, open hex type, carbon steel.
Melling MRM-1786
MRM-1786
$3.20
Tax included
| Delivery within 2-3 business days
Rocker arm nut. 3/8”-24 UNF / approx. 9.53 mm thread, open hex type, carbon steel.
Melling MRM-1786 is a rocker arm nut with a 3/8”-24 thread. It is used in valvetrain applications that require an open hex nut with a fine rocker stud thread.
Application / fitment
Fitment should be confirmed by rocker stud thread, nut style and valve adjustment design. This thread size appears in many older AMC, Buick, Cadillac, Chevrolet, Ford, GMC and related applications.
- thread: 3/8”-24 UNF / approx. 9.53 mm
- nut type: open hex
- thread direction: clockwise
- use: selected rocker arm systems with 3/8”-24 studs
Before installation, check rocker stud thread condition and the adjustment locking method. A worn or loose nut can change valve lash.
Technical information
- type: rocker arm nut
- material: carbon steel
- thickness: 0.500” / 12.70 mm
- thread: 3/8”-24 UNF / approx. 9.53 mm
- thread type: extra fine
