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MSD 87451 RPM Module Kit (5100 to 5900)
200 RPM odd increments
From 5100 to 5900 RPM
Set a different RPM limit for the launch or overrev
RPM module kits include five modules in 200 RPM increments. Each kit is within a 1,000 RPM range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules.