Manual Transmission Zf-S547 1St & 2Nd Synchro Hub & Slider USA Standard Gear Suspension - Leaf Spring Hardware - Shackle 1979-1999 GMC C1500 Suburban (Rear

1979-1999 GMC C1500 Suburban (Rear Axle)

and even DFM (Dynamic Fuel Management) disable

This way you can make adjustments on the fly to prevent detonation as fuel quality or altitude and air quality changes up to a maximum of 15 Degree retard

On 53-56 Ford Truck With Downflow Radiator

Notes: For Front Lifted Height 4-6 Inch Without Z55 Autoride Suspension Package With Crossmember Lift Kit Without Police Package Without ZX3 Electronic Suspension Package Without Quadrasteer GMT800 Body Style

Manual Transmission Zf-S547 1St & 2Nd Synchro Hub & Slider USA Standard Gear Suspension - Leaf Spring Hardware - Shackle 1979-1999 GMC C1500 Suburban (RearZf S547 M T 1ST & 2ND Synchro Hub & Slider . Zf S547 Manual Transmission Component 1st & 2nd Gear Synchronizer Hub and Slider Features and Benefits: ZF S547 Manual Transmission Component 1st & 2nd Gear Synchronizer Hub and Slider Details: AAP UDA 4: 50 Grade Type: Regular Application Summary: 1997 Ford F 250 Hd 1996 Ford F 250 2002 2010 Ford F 250 Super Duty 1996 1997 Ford F 350 2002 2010 Ford F 350 Super Duty 2002 Ford F 450 Super Duty 2002 Ford F