ARP Pro Series Flexplate Bolt Kit 11 mm x 1.50 Thread 1.075" Long 12 Point Head - Chromoly 10000405 NPT inlet and outlet ports

NPT inlet and outlet ports

Jacobs Ladder is constructed of 4130 chrome moly with aluminum straps

4-A/5 by special order

Weld-On Mount Option (sold separately)

ARP Pro Series Flexplate Bolt Kit 11 mm x 1.50 Thread 1.075" Long 12 Point Head - Chromoly 10000405 NPT inlet and outlet portsARPs 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: Flexplate Bolt Kit Pro