Chevy 1500 1988-98 4.10-5.13 Ratio GM8.5-GM8.25IFS Package Revolution Gear and Axle Engine and Components - Valves & Springs - Engine Valve Cover Change the launch rpm limit

Change the launch rpm limit (2-Step) on the fly

making it an indispensable tool in your off-road kit

Includes two FOX98524039

Red PN 82748

No drill installation

Chevy 1500 1988-98 4.10-5.13 Ratio GM8.5-GM8.25IFS Package Revolution Gear and Axle Engine and Components - Valves & Springs - Engine Valve Cover Change the launch rpm limitGear Packages from Revolution Gear and Axle include Front and Rear Ring and Pinion Gear Sets and Master Install Bearing Kits. All Revolution Gear sets are made from the highest quality steel and are precision heat treated to OEM specifications. Master Install Kits offer a comprehensive bill of material with all the components needed to overhaul your differential ring and pinion gear set including top quality Timken or Koyo Bearings (Part numbers