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D30 Front 12" Big Brake Installation Kit

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Old 01-26-2017, 09:49 AM   #1
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Default D30 Front 12" Big Brake Installation Kit

JEEP TJ/XJ/MJ BIG BRAKE UPGRADE
INSTALLATION KIT
12” Rotors and Dual Piston Calipers
for 15” STEEL WHEELS

$115.00 USD Free Shipping ($130 value, 1 stop shopping)

No Welding, No new steering, No relocation of Sway Bar Link or Track Bar Brackets
No Brake Master Cylinder upgrade needed or Proportioning Valve change required
Easier than WJ conversion and Cheaper than Vanco brakes
12.01” x 1.02” thick Vented Centric Premium Rotors
Huge 48mm Dual Piston Calipers

Installation Kit Includes
-1x 14mm drill bit ½” shank, to drill out the knuckle caliper mounting hole ($15)
-4x caliper mounting bolts 14mm 1.5 45mm 10.9 steel zinc plated ($18 shipped)
-12-24x Spacer Washers 14mm 10.9 steel zinc plated ($4+above)
2=0.18” thick -late 99.5+ Unit Bearings
4=0.36” thick –early pre-’99 Unit Bearing
-4x washers 14mm 10.9 steel zinc plated ($1.50+above)
-2x Dorman 12709 speed bleeders M10-1.0x35mm ($15)
-2x Mopar 06508914AA -banjo bolts M10-1.0 ($20)
-4x Mopar 06502114 -copper washers for banjo bolts and hose ($20)
-1x Harbor Freight 4” angle grinder ($18+$6.95 shipping)
-1x Harbor Freight Safety Glasses ($3 above)

MUST PURCHASE
-EARLY ’84-‘89 Jeep TJ/XJ/MJ Front Knuckles R+L (they have caliper mounting lugs)
-XJ lower Ball Joints- (new/used) with ‘screw in piece’ for knuckle, screw in to 0.206" depth

NEED TO PURCHASE (best price RockAuto.com- $389 + shipping, incl $120 core fee)
-calipers- Centric 141.58009/10 (‘11-‘16 Durango, ’11-’15 Grand Cherokee 330mm rotor)
-rotors x2- Centric 120.65082 (’01-‘05 Ford Sport Trac)
**need to grind edge of Unit Bearing so rotor fits on hub and seats completely**
-pads- Centric 30014550 semi-metallic, for above calipers

Brake Pad Break-In Procedure
STEP 1-- 4-5 50mph to 20mph moderate stops with no cool down between stops.
STEP 2-- 4-5 30mph to 0 hard stops without locking up or engaging the ABS with 5 minutes cool down between each attempt.
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Old 02-09-2017, 05:05 PM   #2
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Ok, very interested in these but in college so 100% broke.

Subscribing for when I get a job in the summer!

This is basically a 1" bump from 11" to 12", plus the much bigger calipers. Would be a phenomenal upgrade to factory brakes without the hassle of fitting WJ knuckles and steering
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Old 02-09-2017, 06:46 PM   #3
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Quote:
Originally Posted by investinwaffles View Post
This is basically a 1" bump from 11" to 12", plus the much bigger calipers. Would be a phenomenal upgrade to factory brakes without the hassle of fitting WJ knuckles and steering
That is exactly why I looked into doing this. The rotor is 1" bigger diameter and also thicher and heavier and when coupled to the bigger dual piston calipers, makes a big difference, braking and heat resistance. And it all fits in 15" wheels.

I had a bunch of extra pieces left over, I always buy to get free shipping when possible and to have extras in case I break something.

Nothing wrong with the WJ conversion. You get proper tie bar and raised drag link steering and heavier knuckles. It is just more work and costs more.
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