Product Summary

70-78 Chevy Camaro, 70-78 Pontiac Firebird, Zinc

  • 11" Delco power brake booster
  • 1 1/8" master cylinder, with proportioning block bracket
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Key Specs

MFG. Part #91664110071
BrandSpeedway Motors
Brake System TypeDisc/Drum
Brake Booster Diameter11 Inch
Master Cylinder MaterialCast Iron
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91664110071 Details

Easily convert your manual braking system on your 1970-1978 Camaro/Firebird and add some power with little to no modificatoins! Unit comes complete with brake booster, master cylinder, and booster bracket. Detailed instructions included for a seamless install.

  • 1970-1978 Camaro/Firebird 
  • 11" booster/master combo 
  • 1-1/8" Bore 

 

Speedway Motors 91664110071 Specifications

KEY SPECS
MFG. Part #91664110071
BrandSpeedway Motors
Brake System TypeDisc/Drum
Brake Booster Diameter11 Inch
Master Cylinder MaterialCast Iron
GENERAL
Brake Booster TypeVacuum Diaphragm Single
Outlet CountTandem
Master Cylinder Bore Size1-1/8 Inch
Brake Booster MaterialSteel
Brake Booster FinishZinc
Master Cylinder Port Sizes1/2"-20 & 9/16"-18 IFF
Master Cylinder Built-In Residual ValvesNo
Master Cylinder Bail TypeDouble Bail Wire Zinc Lid
Mounting Bracket IncludedYes
Brake Booster Bracket FinishZinc
Brake Pedal Rod IncludedYes
Reservoir IncludedYes
Sold in QuantityKit

Ratings & Reviews

4.5

4 Reviews

Overall Assessment

Customers praised the product for its great fit and effectiveness in improving brake performance. Positive aspects highlighted included the product's quality and practicality, with particular emphasis on its perfect fit and improved stopping power. There were mentions of superior functionality when compared to competitors, further asserting its reliability. However, the absence of instructions for part installation was noted as a minor concern. Despite this, customers would still repurchase if required, demonstrating strong satisfaction with the product.

4.5

4 reviews

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I would buy again if needed

4.0

3 years ago

Deuce

Ia

Verified

Fit was great but the master cyl was junk and speedway fixed the problem quickly

Would Recommend

Brake Booster

4.0

4 years ago

71 Camero

Ohio

Verified

Price and delivery are great. No instructions on the installation of the parts or inventory list included. There were extra parts and I do not know what to do with them. Called help line and they assisted,but did not know what is was for as they had no instructions either.

Would Recommend

Looks good , bolted right on and grat customer service!

5.0

6 years ago

Mattman

Pigeon forge tn

Verified

My 77 camaro brakes was getting weak so I order this kit and know it stops on a dime.

Awesome product

5.0

6 years ago

Mick

CT

Verified

Perfect fit

Would Recommend

Showing 4 of 4 reviews

Questions & Answers

1 Question • 1 Answer

Is this a new or remanufactured unit?

by Jim

• 7 years ago

1 answer

1 of 1 questions shown

Fitment

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