Reliance 300 series camshafts utilize a threaded tachometer drive, but my customer's old cam has a press-in tachometer drive. Can he use a Reliance cam?

Yes. When utilizing the Reliance 300 series camshaft, either a threaded shaft, slotted-type or a threaded shaft, helical gear type tachometer drive must be used. Reliance offers both of these tach drives.

NR-81513 is the slotted type, and NR-81514 is the helical gear type tachometer drive shaft. In all cases, press-in tach drives must be replaced with thread-in tach drives when using Reliance camshafts. More.

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