

CROWERPART NUMBER: 258-74523-16
74523-16 Shaft Rocker Lash Adjuste 3/8-24 12-Point Self-locking Nut Set Of 16
$8499
Shaft Rocker Lash Adjuster Nut 3/8-24 12 Pt Set Of 163/8-24 thread pitch for precise lash adjustment and secure fit in shaft rocker assemblies during high-rpm valvetrain operation.
Crower 74523-16 Features:
Set of 16 shaft rocker lash adjuster nuts for Crower rocker arm applications 3/8-24 thread pitch with 12-point nut design for precise adjustment and wrench access Self-locking style helps maintain consistent valve lash in full roller rocker setups Fits Crower stainless steel, aluminum, and billet shaft rocker arms
Shaft Rocker Lash Adjuste 3/8-24 12-Point Self-locking Nut Set Features:
- 3/8-24 thread pitch for precise lash adjustment and secure fit in shaft rocker assemblies during high-rpm valvetrain operation.
- 12-point jam nut design for easier wrench access, reliable tightening, and consistent adjustment retention in tight engine spaces.
- Self-locking construction helps maintain valve lash settings under high-performance loads, vibration, and repeated heat cycles.
- Fits stainless steel, aluminum, and billet shaft rocker arms used in full-roller rocker setups for direct replacement service.
- 16-piece set replaces worn adjuster nuts to support stable rocker arm performance, durability, and long-term valvetrain consistency.
Part TypeRocker Arm
BrandCROWER
Package Height2.0
Package Width2.25
Package Length4.0
Weight0.02 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number74523-16
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations