Description
Rocker arm nuts are a critical wear item in any high-revving engine, and improper fastening can lead to valve train instability and catastrophic failure. These PL038K adjusting nuts feature Polylock technology to maintain secure retention under extreme vibration and temperature cycling, eliminating the need for safety wire or constant re-torquing. Built from 4130 chromoly with black oxide finish, they’re engineered for durability in both street and race applications.
- 3/8-24 thread
- 0.550″ shank diameter
- 1.000″ length
- 4130 chromoly construction
- Black oxide coating
- Polylock design
- Aluminum rocker compatible
- Set of 4
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