Koyo 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non Turbo Radiator Replacement Air Filters critical torsional harmonic vibrations occur

critical torsional harmonic vibrations occur and can be seriously destructive to the bearings and the crankshaft

Magnetic Base

Harder spring supplied

25 Metric Aluminum + 2 Washers

Koyo 89-92 Mazda RX-7 1.3L Late FC Chassis Turbo & Non Turbo Radiator Replacement Air Filters critical torsional harmonic vibrations occurManual Transmission only. Use OEM side brackets. OEM brackets are Series 4 or Series 5 specific. Increased thickness of this high performance core will require some modifications to fit with w OEM intake snorkel. This Part Fits: Year Make Model Submodel 1991 Mazda RX 7 Base 1989 1991 Mazda RX 7 Convertible 1989 1990 Mazda RX 7 GTU 1989 1990 Mazda RX 7 GTUs 1989 1990 Mazda RX 7 GXL 1989 1990 Mazda RX 7 GXL 2+2 1989 1991 Mazda RX 7 Turbo