Weld Haus Bulldog XR420-i 1500hp Quick Change Differential

1500HP capable Bulldog’s IRS Quick Change differential is the most advanced on the market, offering a range of features that make it the optimal choice for cost savings in the long term.

– Forged/machined Aluminum Side Bells offering superior strength vs the competition

– Kwik-Full rear cover feathers easy to access oil fill ports

– Forged 8.8 front yoke for the 1350 series driveline components

– Vascomax 300M Severe Duty Lower Shaft

– Thor35 Aluminum Spool featuring oversized 35 spline CV flanges

– Bulldogs tried and true Super G 4.12 Ring and Pinion

• All rears built with a 1500HP+ rating
• Our rears include the breather and 3qts. of our Bulldog Blood High Performance Gear Oil.

*All units are generally 4 week lead time prior to shipping

The Bulldog XR-420i v2 features an aluminum center section designed exclusively for the drift market. It’s produced using the latest in pattern, core, and casting technology. Devised with the guidance of Finite Element Analysis software, the ultra-strong center is enhanced by the strength of the forged aluminum CNC sculpted side bells. The sub frame mounting location is the strongest in the industry. Rear cover fill ports compliment side bell fill ports. Six bolt rear cover bolt pattern yields extra ground clearance. Simply stated, it’s a rear designed and manufactured for drifting. I