ARP Stainless Steel Bolt Kit - 12 Point (5) 6mm x 1.00 x 25 Neck Collars & Helmet Supports torque and improving throttle response

torque and improving throttle response and fuel efficiency

Lower center design adds engine oil pan clearance

2005-2015 Chrysler 300

Serrated Flange

Overall stud length is approx

ARP Stainless Steel Bolt Kit - 12 Point (5) 6mm x 1.00 x 25 Neck Collars & Helmet Supports torque and improving throttle responseARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Bolt 6 mm x 1. 00 Thread 25