The Pro series kits come with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.
 
| Part Number | 
ARP 234-4319 | 
| Part Type | 
Head Stud | 
| Brand | 
ARP | 
| Engine Type | 
LSX/RHS (6-Bolt) | 
| Hardware Style | 
12-Point | 
 
*Item ships directly from vendor.