PerTronix Digital Rev Limiter Clutch Cover Bolts 17 x 9-3/4 x 4

17 x 9-3/4 x 4 in Oval Body

GM Fullsize SUV / Truck 1971-91

We've learned that some of the OEM wiring that powers the coils may not be up to snuff when it comes to increasing performance and coil output

18 mm Bolt Style

PerTronix Digital Rev Limiter Clutch Cover Bolts 17 x 9-3/4 x 4Flame Thrower digital rev limiters work with any 4, 6 or 8 cylinder engine using points, OEM electronic (GM HEI, Ford, Chrysler) or aftermarket inductive type ignition systems including our very popular Ignitor and Ignitor II points replacement systems. This digital microcontroller based unit provides a much greater accuracy (+ 0. 01%) over analog systems. There is no need for old resistor style pills or chips, our easy to use rotary switches adjust