ES Shifter GM 6L80 Chrome 4in Mush Knob 1974-mercury-monterey-esi8022029 Nitrous Micro Switch - Universal

Nitrous Micro Switch - Universal - Each

Air Pressure Gauge - Phantom - 0-150 psi - Mechanical - Analog - 2-1/16 in Diameter - White Face - Each

Valve Spring Kit - Single Spring / Damper - 430 lb/in Rate - 1

Rod End - ALRSML Series - Spherical - 3/8 in Bore - 5/8-18 in Left Hand Male Thread - Aluminum - Black Anodized - Each

Holley's EFI Crankshaft Signal Sensor is designed to generate an RPM input signal to the ECU when used in ferrous target crank trigger setups

ES Shifter GM 6L80 Chrome 4in Mush Knob 1974-mercury-monterey-esi8022029 Nitrous Micro Switch - UniversalShifter Electronic Sport Automatic Floor Mount 4 in Stick Brushed Mushroom Knob Straight 6L80 Kit