وصف
The Revolution Gear and Axle's Dana 30 inverse 4.88 differential provides exceptional performance for Jeep Wrangler JK (2007-2018) & Jeep Wrangler JL (2018-2023) non-Rubicon. This differential is constructed from high-quality steel and precisely heat-treated to Original Manufacturer (OEM) specifications, making it one of the best options available in the aftermarket. All Revolution Gear differential kits come with a 2-year warranty against defects. Technical specifications: - Number of cover screws: 10 screws - Material: 8620 steel - Number of blades in the gear shaft: 26 blades - Ratio: 4.88 - Ring Truss Bolts: 10 x 3/8 inch - Ring gear rotation direction: reverse - Dimensions: 39 x 29 x 14 cm Note about compatibility: - Compatible models: - (2007-2018) Jeep Wrangler JK - (2018-2023) Jeep Wrangler JL Instructions for preparing new gears: All new gear sets need a conditioning period to prevent overheating damage. Overloading or overheating will deteriorate the gear oil, causing the ring gear and worm gear to fail. Follow these instructions: - Avoid severe acceleration during the preparation period. - Keep vehicle speed below 60 mph for the first 100 miles. - Drive the car for 15 to 20 miles, then stop and let the gears cool before continuing. - Drive the car at least 500 miles before starting a tow. The first tow should be less than 15 miles, then let the gears cool before continuing. - Change the gear oil after 500 miles of conditioning, to remove metal particles and phosphate layer from the gear train during the conditioning period. Gear oil specifications: Recommended to use 80W-90 or 85W-140, non-synthetic, GL5 or higher, gear oil from a well-known brand. summary: The Revolution's Dana 30 inverse 4.88 differential provides high performance and durability ideal for street and off-road driving. With a two-year warranty and strict configuration guidelines, you can count on this product to provide a smooth and safe driving experience. part number : D30JK-JL-488R