Brand: Allstar Performance Manufacturer's Part Number: ALL90031 Part Type: Timing Pointers Product Line: Allstar Performance Adjustable Timing Pointers Automotive Fittings Part Number: AAF-ALL90031 UPC: 848238042214 Adjustable: Yes Harmonic Balancer Diameter (in.): 4.375 in. Pointer Material: Aluminum Timing Pointer Color: Blue Hardware Included: Yes Quantity: Sold individually. Notes: Designed for internally balanced Small Block Chevy engines that utilize the Allstar Performance aluminum crankshaft hub, AAF-ALL90030 only. Description: Very few things are more important than timing. It is one phase of your auto that can't be overstressed or overlooked. Allstar Performance adjustable timing pointers are CNC-machined from billet aluminum and given a black anodized finish. They're everything that you could ask for in a quality piece of equipment—fully adjustable and delivering precise timing increments. Order the model recommended for your engine application.