Description
Polylocks have a built-in locking mechanism that securely fastens the rocker arm to the stud. Lunati Polylocks are tapered for added strength in the locking mechanism and precisely ground to minimize runout.
Specifications:
| Description_ASC | See 85505-16 for set of 16. |
| Description_DEF | Engine Rocker Arm Nut |
| Description_DES | Stud Girdle Adjusting Nut 7/16 in w/ .550 in OD Base for Big Block Ford |
| Description_EXT | This Lunati Stud Girdle Adjusting Nut includes 1 adjusting nut for 7/16″ studs w/ .550″ Nut Base Outer Diameter for Big Block Ford. |
| Description_INV | 7/16? Stud Girdle Adjusting Nut |
| Description_MKT | Polylocks have a built-in locking mechanism that securely fastens the rocker arm to the stud. Lunati Polylocks are tapered for added strength in the locking mechanism and precisely ground to minimize runout. |
| height | 4.0 |
| length | 6.0 |
| weight | 0.05 |
| width | 1.0 |
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