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ALL NEW PARTS FOR SALE: (April 2010)
New high-strength 30 spline 8 3/4 axle package. Most lengths. Includes green wheel bearings and standard length lug studs installed. $300 pair. Choice of standard length, or 3″ lug studs.
New high-strength 35 spline Dana 60 and 8 3/4 axle package. Most lengths. Includes green wheel bearings and 2″ or 3″ lug studs installed. $300 pair
New ring and pinions for 489 casting (29 spline): 3.55, 3.73, 3.91, 4.10, 4.56 $185
New ring and pinions for 742 casting (10 spline):
3.55, 3.73, 3.91, 4.10 $185
New ring and pinions for 741 casting (29 spline):
3.55, 3.73 $185
New ring and pinions for Dana 60 (29 spline):
3.54, 3.73, 4.10, 4.56 $195
New ring and pinions for Dana 60 with lightened ring gear: 3.90, 4.30 $220
Bearing/seal/shim kits:
8 3/4 489, 741 castings $100
8 3/4 742 castings $125
Dana 60 $125
489 casting billet steel pinion bearing spacer kit with shims. Eliminates troublesome crush sleeve $30
Forged steel 1350 U-bolt yokes 10 spline Dana 60, 29 spline Dana 60, 29 spline 8 3/4 10 spline 8 3/4 $95 each
Repro, cast 7290 strap yokes 29 spline Dana 60 $100
35 spline Dana 60 spools (3 or 5 series) $165
30 spline 8 3/4 spools $100
35 spline Dana 60 Detroit TrueTrac helical gear sure-grip $575
30 spline 8 3/4 Detroit TrueTrac helicial gear sure-grip
$550
30 spline 8 3/4 power-lock $350
DoctorDiff E-body 1″ offset spring hanger/shackle kit for standard springs. Can be used to bolt B-body rearend into E-body with no modifications $175
DoctorDiff E-body 1″ offset spring hanger/shackle kit for Superstock springs. Can be used to bolt B-body rearend into E-body with no modifications $185
DoctorDiff ‘71-’74 B-body 1 1/4″ offset spring hanger/shackle kit for standard springs $185
Aluminum master cylinder package. Kit includes 1 1/32″ bore master cylinder with level reservoir, billet aluminum adapter and push rod retainer. Correct bore for most Mopar musclecars $85
DoctorDiff Hemi brake booster assemblies:
Complete assemblies with brackets, linkage, rebuilt booster and master cylinder:
1. With Hemi bolt pattern Bendix booster $1000
2. With Wedge bolt pattern Bendix booster $850
DoctorDiff Hemi brake booster brackets:
Kits include brackets, linkage, retaining plates, push rod boot and hardware (no booster):
1. Hemi bolt pattern Bendix booster $250
2. Wedge bolt pattern Bendix booster $250
Hemi Booster kits available for:
1. ‘66-’70 B-bodies
2. ‘71-’74 B-bodies/’70-’74 E-bodies (add $35 for firewall stiffening plate)
DoctorDiff 14″ front disc brake kit includes loaded second generation Viper calipers, billet steel caliper brackets, billet aluminum hubs, slotted, plated rotors, bearings, seals, dust caps, stainless flex lines and hardware. All new parts $2000
DoctorDiff 13″ front disc brake kit includes loaded Cobra calipers, billet aluminum caliper brackets, rotors, hubs, bearings, seals, dust caps, stainless flex lines and hardware. All new parts $800
DoctorDiff 10.7″ econo rear disc brake kit includes loaded Cobra calipers with internal parking brake, 2 piece steel caliper brackets, rotors, stainless flex lines and hardware. All new parts $525
DoctorDiff 10.7″ rear disc brake kit includes loaded Cobra calipers with internal parking brake, billet aluminum caliper brackets, rotors, stainless flex lines and hardware. All new parts $625
DoctorDiff 11.7″ rear disc brake kit includes loaded Cobra calipers with internal parking brake, billet aluminum caliper brackets, rotors, stainless flex lines and hardware. All new parts $600
DoctorDiff 13″ rear disc brake kit includes loaded Cobra calipers with internal parking brake, billet aluminum caliper brackets, rotors, stainless flex lines and hardware. All new parts $700
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(406) 883-4772