17ea MSD rpm chips
MSD RPM Chips (21) plus 6 cyl, 8cyl and RPM chips
15ea. MSD RPM chips for ignition box, NHRA, IHRA, Nascar, Hot Rod
(13) assorted MSD RPM chips for ignition box, NHRA, IHRA, Nascar, Hot Rod
MSD rpm activated chips
Autometer RPM chips, 8ea., 6.0, 6.2, 6.4, 6.6, 6.8, 7.0, 7.4, 7.6
MSD RPM Module Selector #8671 NASCAR Xfinity 4600 TO 6800 RPM
