Page 1 of Pro Mod Housing Ends, Narrowing Tools, Bolt Kits and Seals by Mark Williams Enterprises, Inc.

heavy duty housing ends to keep pace with the ever increasing loads put on rear axle bearings mark williams has designed heavy duty housing end these new ends accept a much larger single or double row axle bearing that is capable of handling the radial and axial loads seen with these high horsepower cars the hd series bearings see page 5 have a larger o.d 85mm 3.347 which requires modifying existing or purchasing caliper mounting brackets to accept the larger diameter the 58595 i.d is 45mm so they can be installed on axles built for standard 58505 bearings also the sealing arrangement is different with a seal in the caliper bracket or in the housing bearing bore or before the bearing in the housing end rather than in the bearing as in the past all ends are drilled for the symmetrical bolt pattern 58595 58597 ends for 85mm wide bearings w/seal pr .175.00 spherical evolution 4 housing ends .175.00 58598 58599 ends for 85mm wide bearing w/o seal pr .175.00 housing ends for 85mm narrow bearing .175.00 for 58508 wide bearing only 2.25 long with provision for inner axle for spherical bearing 4130 heat treated forging uses 58570 bolt kit for 58508 bearing 1.50 long no provision for inner seal 4130 heat treated forging for 58509 bearing and 58570 bolt kit bolt kits seals mw stocks both 3/8 and 1/2 backing plate bolt kits as well as the stud kit required for the new pro mod housing ends 3/8 bolts feature quick start ends with serrations under the heads to hold them securely in the housing ends 1/2 size are o.e ford type all kits also include self locking nuts mw offers 3 different inner axle seals for all mw 2 housing ends these seals are designed to ride on the axle shaft just inboard of the axle bearing lock ring 58514 58515 58516 58570 housing end seal for 1.625 dia axle .6.50 housing end seal for 1.774 dia axle .6.50 housing end seal for 1.562 dia axle .7.10 backing plate bolt kit set of 8 .25.00 58572 58515 58514 58516 58570 58516 58572 caliper bracket stud kit set of 8 .35.40 3/8 studs nuts and washers for pro mod housing ends or mw modular end bells 3/8 with nuts for mw housing ends except large ford 58575 backing plate bolt kit set of 8 .39.20 58570a backing plate bolt kit set of 10 .31.25 for mopar type ends that require 10 bolts 1/2 with nuts for large ford ends housing narrowing tools 310 302 303 304 301 309 307 306 308 305 the mark williams housing alignment tools are the most accurate way to narrow a rear end housing the alignment bar is a large 2 diameter that has been hard chromed and o.d ground for durability and precise fit to all other components alignment sleeves and center rings are machined from 4140 steel heat treated then all o.d.s are ground and precision hard turned all components are shipped in a wooden container that is ideal for storing everything 304 305 306 307 308 309 310 floater spindle alignment sleeve .225.00 center section alignment rings 120.00 center section alignment rings .100.00 center section alignment rings .100.00 center section alignment rings .100.00 center section alignment rings .100.00 housing end alignment sleeve .210.00 300f housing end alignment kit .430.00 2 diameter hard chromed alignment bar 39 1/2 long #303 alignment sleeve 1 for 3.150 o.d and 2.835 o.d bearings small ford and choice of 1 pair center alignment rings 65 for m-w floater spindles dana 60 3.812 o.d ford 9 3.250 o.d 12-bolt 8.8 ford and ford 9 3.062 o.d mopar 8-3/4 3.265 o.d 8 ford small 9 ford gm 10 bolt 2.891 o.d for 3.150 and 3.349 o.d axle bearings h ends 300m housing end alignment kit .430.00 2 diameter hard chromed alignment bar 39 1/2 long #302 alignment sleeve 1 for 3.150 o.d and 2.875 o.d bearings mopar and choice of 1 pair center alignment rings 65 302 housing end alignment sleeve .210.00 for 3.150 and 2.875 o.d axle bearings stock mopar ends also has shoulder for locating 3 x .250 tubes 303 housing end alignment sleeve .210.00 for 3.150 and 2.835 o.d axle bearings mustang ends also has shoulder for locating 3 x .250 tubes toll free 800-525-1963 on the web www.markwilliams.com 57

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