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Crown Automotive RT31017 Power Brake Booster Conversion Kit for 87-90 Jeep Wrangler YJ with 1-1/8" Master Cylinder Bore Size & 4 Wheel Disc Brakes or Aftermarket Axles & Without ABS

Quadratec Part #: 56210-1010
Crown Automotive Part #: RT31017
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Description
These heavy duty power brake conversion kits convert a single diaphragm booster to a dual diaphragm setup which creates more stopping power with less pedal pressure.
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Details
Installation Notes
Installation Difficulty:
Skill Level 3 IconLevel 3Advanced

Engine vacuum needs to be a minimum of 18 inches of vacuum at idle when engine is warm for power brake setup to function properly. Please confirm prior to ordering.

Installation Time: 3-5 hours
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Instructions
Parts Included

1 Dual Diaphragm Brake Booster
1 High Pressure Brake Master Cylinder

Warranty
12 month / 12,000 Mile Limited Warranty.
  • Shipping Weight: 19lb
  • Shipping Dimensions: 19in x 13in x 8in (L x W x H)

  • Jeep Wrangler (YJ)

  • 1990 Jeep Wrangler (YJ)
  • 1989 Jeep Wrangler (YJ)
  • 1988 Jeep Wrangler (YJ)
  • 1987 Jeep Wrangler (YJ)
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Questions

will this clear an aftermarker GM tbi on an 88 yj with a 4.2?
The booster and master cylinder should clear your fuel injection system, some lines may need to be rerouted during installation though, and this is the case during any installation of this upgrade.
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