ARP Pontiac Stainless Steel Complete Engine Fastener Kit - 12pt SPBS3 Magnum FLOW Pro 5R

Magnum FLOW Pro 5R

Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley

Stabalizes Ignition Timing From 1 To 10000 RPM

Uses a square GM-style key

ARP Pontiac Stainless Steel Complete Engine Fastener Kit - 12pt SPBS3 Magnum FLOW Pro 5RARPs 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: Engine and Accessory