Page 38 of Mark Williams Racing Products by Mark Williams Enterprises, Inc.

gm 12 bolt spools 53130 53158 10-bolt 8.5 chevrolet spool .240.00 12-bolt aluminum spool .416.50 mw 35-spline 1970 or later 10 bolt weight 14 lbs mw 35 spline housing must be bored to 3.250 includes 58925 shim kit and 53161a bearing kit 5.3 lbs 53160 53158 53165 53160 53164 53165 12-bolt chevrolet spool .240.00 12-bolt chevrolet spool .240.00 12-bolt chevrolet spool .290.00 53265 12-bolt chevrolet spool .290.00 mw 35-spline l/w milled 11.1 lbs mw 35-spline weight 14 lbs 30-spline requires c-clip kit or weld on ends weight 14 lbs mw 35-spline l/w milled weight 11 lbs gm 12 bolt posi-tractions 19555 12 bolt eatontm posi-traction .413.00 30 spline with 800 lb clutch preload for 4.10 and up ratios 19555-33 12 bolt eatontm posi-traction .711.60 mark williams stocks eatontm posi-traction units for 10 and 12 bolt gm applications all eatontm units feature carbon fiber clutches mw also offers a 33 spline side gear upgrade on 30 spline eatontm assemblies 19554 12 bolt eatontm posi-traction series 3 .413.00 30 spline with 800 lb clutch preload for 3.08 to 4.10 ratios 33 spline with 800 lb clutch preload for 4.10 and up ratios 19556 19557 58911 58912 12 bolt eatontm truck posi-traction .413.00 8.5 10 bolt eatontm posi-traction .450.00 12 bolt posi-traction series 4 .381.00 12 bolt posi-traction series 3 .381.00 30 spline with 800 lb clutch reload for 3.73 and up ratios 28 spline with 800 lb clutch preload for 2.73 and up ratios 30 spline light duty clutch type torque-line® posi-traction 30 spline light duty clutch type torque-line® posi-traction gm housing ends retainers 58400 g.m housing ends pr .90.00 full size 12 bolt chevrolet impala biscayne and 1/2-ton pickup for 58503 58504 or 58505 sealed axle bearings 58600 58230 58450 g.m housing ends pr .112.00 full size 12 bolt for 58506 timken® tapered roller axle bearings and seals 58410 58560 full size gm bearing retainers pr .24.00 58600 58230 gm housing ends pr .85.00 standard gm bearing retainers pr .24.00 g.m housing ends pr .112.00 mid-size 10/12 bolt for 58503 58504 or 58505 sealed axle bearings for mw 58600 10 and 12-bolt housing ends for mw 58400 full size gm housing ends mid-size 10/12 bolt for 58506 timken® tapered roller axle bearings and seals gm housing end kits 68700 mw weld on housing ends allow use of larger axle bearings and eliminate potential grease leakage that can occur with adapter type bearing ends end kits are available for most popular gm brake assemblies 58610 68700 housing end kit drag racing .182.00 housing end kit small gm pro-street .255.00 contains 58600 housing ends 58505 bearings 58230 retainers and backing plate bolts for gm small brakes camaro chevelle nova pro-street applications includes housing ends timken ® bearings retainers seals and backing plate bolts 68740 housing end kit large gm pro-street .276.00 10 12-bolt chevrolet brakes impala biscayne 1/2-ton truck pro-street applications includes housing ends,timken® bearings retainers seals and backing plate bolts 38

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