MSD Distributor Rotor Phasing Kit RIVET 73AS6-12 and are relatively inexpensive parts

and are relatively inexpensive parts to change out when they demonstrate signs of wear

adjustable secondary linkage and knurled (hand adjustable) curb idle screws

High performance steel end cap designed for repetitive striking impacts

EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box

DIY quality

MSD Distributor Rotor Phasing Kit RIVET 73AS6-12 and are relatively inexpensive partsMSD Distributor Rotor Phasing Kit When you install EFI on your engine, most systems will require the ignition timing to be advanced for the ECU. This can cause issues with rotor phasing, but the Adjustable Rotor remedies this issue! Features: Two piece adjustable rotor.