GL and R class differentials
The greasable
Front ride height is adjustable via the coilover while the rear has multiple settings available from the shackle kit
the Classic Instruments Rocket Tach is truly a blast from the past
but are usually not recommended for high horsepower cars on the road course or autocross
GAUGE, TACHOMETER, 5", 10K RPM, PEDESTAL W/ EXT. SHIFT-LITE, SPORT-COMP 1984-pontiac-firebird-esi1382254 GL and R class differentialsSince 1957, Autometer Has Set The Standard In Performance, Accuracy And Durability With Their Legendary Tachometers. The Absolute Pinnacle Of Engineering And Technology, Its No Wonder Autometer Can Lay Claim To More Motorsports Victories Than Every Other Gauge Manufacturer Combined. The Patented Air Core Meter Movement, Wound In House To Exacting Standards, Can Move The Needle From 0 10,000 Rpm In 333 Milliseconds. An Ultra Bright Shift Light