Modular 9" 4 Link Housing w/ Symmetrical Housing Ends

Mark Williams Modular 9" Rearend Housing – Strength, Precision, and Proven Performance Modular 4 Link Housing Specs 27-3/8" (with 4-link) 1/2" 4 link bolt holes 4 11/16" long aluminum end bells 1/8" thick chromoly steel 4-link mounting brackets 7/8" 7075 aluminum bracket spacers chromoly steel tubular tie bar. 33-3/4" wheel to wheel dimension includes 2.812" axle standout and .25" brake hat thickness for each side Tubular tie bar Symmetrical housing ends Engineered for serious horsepower, the Mark Williams Modular 9" Rearend Housing delivers bulletproof strength, a lightweight design, precision machined alignment, and adaptability to your build. This housing utilizes replaceable axle bells and tubes, bracketry and more for a solution to build and customize as your needs change through the life of your build. Race-Proven Strength: Engineered to withstand extreme torque and high horsepower. Precision Fitment: CNC-machined flanges and housing allow you to have huge strength and avoid weld warpage and bending over time Modular Design: Simplifies assembly, service, and future upgrades. Versatile Application: Ideal for drag racing, pro touring, or high-performance street builds. Trusted Quality: Built to Mark Williams’ legendary standards for professional and grassroots racers alike. Features Cast in the USA Machined in the USA A206 High Strength, Heat Treated Casting Fits 9" through 10" gear sets Full line of modular bracketry Modular End bells and spacers for adjusting width and spacing  Optional spur gear for gear and bearing oiling  Modular Advantages for the Builder Precision Machined to avoid warping caused by welding Removes chance of cracking welds Able to be changed to accomodate different wheel/tire widths and changes of bracketry Optimized bracing and strengthening designs built in Saves fabrication time For Instructions: Click Here