Performer RPM Square-Bore Upgrade Kit (100-150-175-200-250 Hp)

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The Edelbrock Performer RPM Upgrade Kit #70021 includes everything needed to upgrade Performer nitrous systems to a Performer RPM system. The solenoids are larger than our Performer systems and power increases can be adjusted from 100-250 horsepower. This system is for use with square-bore carburetors and has a silver powder coated bottle.

Documents & Installation Notes


Availability Available
Hose Color Stainless Steel
Hose Material Stainless Steel
Switch Type Push
Switch Terminal Quantity 1
Switch Terminal Gender Male
Bottle Color Silver
Wire Gauge Measurement 16 ga.
Solenoid Terminal Gender Male
Solenoid Terminal Quantity 2
Switch Terminal Type Blade
Application Universal
UPC 00085347700219
Availability Note Available Only While Supplies Last
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chrome, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • This system will require premium fuel, ignition retard and colder plugs. A single-plane intake manifold, upgraded fuel system, upgraded ignition system, forged pistons, aftermarket rods and crank shaft are recommended. Bottle is shipped empty.