Engine Timing Chain for 1979-91 Misc. Jeep CJs, SJ, J-Series w/ AMC V8 Engines Crown Automotive Suspension - Arms & Links & Track Bars - Pitman Arm Puller The different rpm modules are

The different rpm modules are activated when 12 volts are applied to a corresponding wire

This new system also

25 Inch Reverse Cut: 30 Spline

making installation hassle-free - no strut disassembly required

Engine: Gen 3 Hemi

Engine Timing Chain for 1979-91 Misc. Jeep CJs, SJ, J-Series w/ AMC V8 Engines Crown Automotive Suspension - Arms & Links & Track Bars - Pitman Arm Puller The different rpm modules areEngine Timing Chain for Jeep 1979 81 CJ 5, CJ 7 w 5. 0L Engine and 1979 1991 SJ, J Series w 5. 9L, 6. 6L Engines, w 1 2 inch Wide Timing Chain Features and Benefits: 12 Month Warranty Direct Replacement For Models w 1 2 inch Wide Timing Chain Steel Construction Use Existing Hardware Details: Material: Metal Finish: Unpainted Hardware Included: Use Existing Hardware Interchange: 4796312 Application: 1979 1979 Jeep J Series J 10 w 6. 6L (V8 401) Engine