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

Serrated Flange

2005-2015 Chrysler 300

or increase padding in seat for comfort

1987-1987 Buick Somerset

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