ARP 1/4-28" Thread Bolt 0.515" Long 5/16" Hex Head Stainless - Polished 13111 1977-1983 Pontiac Grand LeMans

1977-1983 Pontiac Grand LeMans

AFR Bullitt Series Heads

Drivers Side

That's why ARP developed the Wave-Loc design that features symmetrical waves and provides an effective interference fit without creating stress risers in the bolt or the rod

ARP 1/4-28" Thread Bolt 0.515" Long 5/16" Hex Head Stainless - Polished 13111 1977-1983 Pontiac Grand LeMansARPs 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 1 4 28 in Thread 0.