Power Brake Booster Pin Adjustment Tool for 1968-76 Corvette Bendix Type Brake Booster

Thought I’d share my recent find in pursuit of fine tuning my brakes. I’ve been overhauling my braking system lately and have been chasing a semi-spongy brake pedal (only at the top of pedal travel). I bought this brake booster rod depth tool to see if my brake booster rod was not properly adjusted and causing the issue. Well, while using the rod adjustment tool, I found something that was very interesting... my truck has mostly all of the original factory parts, including the brake booster and master cylinder. Well after using the depth tool, I found that the brake booster rod was adjusted out too far into the master cylinder (optimal gap is .020”). After I adjusted it according to the depth that the tool read, I couldn’t believe that my truck drove the way it did. Ever since I bought my truck (October 2018) I’ve always felt that the truck was driving as if it had extra load on it, wouldn’t coast a long distance when you take your foot off the gas, and would suck at climbing up hill. The acceleration also felt like it was being hindered by some invisible weight.. Well after adjusting the rod length, the truck drives a TON better. The truck drives more “loose” in the sense of how the wheels roll and I am able to coast off of the gas pedal for a longer distance than it ever did before. Uphill climbs are easy too. I wouldn’t say that brakes were dragging because I couldn’t smell the brakes, but according to the tool, the brakes had to been applying more pressure to the rotors than it should of possibly causing some restriction and drag. I had to turn the rod clockwise (inward) about 7 full turns until I achieved the correct gap. There are a lot of depth tools on the market but I bought one that looked better designed to me, compared to others. The owner of the company also specializes in 68-76 Corvette braking systems so his development of the tool is finely tuned. Hope this helps someone that has the same unknown issues I had. If CSSB gets a ton of orders from guys with 97-03 F150’s, I’m sure I’ll be responsible for that since I posted my findings in our 97-03 F-150 Facebook group

Tool is very easy to use, good quality materials. May not use that often but when you do you get great results, just remember to allow about a 16th of an inch gap between your brake rod and pin on your tool.

Easy to use, accurate adjustments and a must have tool for many brake booster to master cylinder adjustments. Accurate adjustment improved the braking on my 1975 Corvette.

Very easy to use and simple. I knocked one star for the over inflated price I had to pay. A piece of plastic with a little metal rod. Oh, and plus $$ shipping.

Many don’t know but most brake boosters and brake master cylinders operate on the same principle, this tool was clearly labeled super well made and comes with a screw to hold the pin to avoid losing your measurement! Worked for my Nissan Xterra and for a friend Ford Explorer! Great product and great costumer service by the seller!

I really appreciate the seller putting the tool's dimensions in the description. let me know if it would work before I bought it. Since a Samurai MC has a piston that sticks out pretty far from it's flange, the tool is used in reverse. The Booster side is used to measure MC piston depth and the MC side is used to set Booster pin height. I just had to remove the metal measuring rod and flip it over in the tool, so that I was still placing the rounded off end in my MC. Worked great.

Paid for faster shipment, seller made it happen!Bought this for 2008 Nissan Frontier 4x4. I purchased the wrong power brake booster for my truck. It had the down hill decent control plug, the one for my truck did not. I tossed the box after install only to find out later my brakes were locking up after 2 miles travel. I found this beautiful tool on YouTube video.It works in reverse for my Nissan. The master cylinder push rod is out, while the booster rod is more inward. The tool still works. I flipped the ball point rod over to booster side on tool, drop the rod into the master cylinder, put the H (booster side) flat to master cylinder base, lock the rod, then flip it to master cylinder side, place H flat to power brake booster, remaining rod shows the amount of rod to cut off from the booster. (My booster rod was non adjustable) make sure you don't cut to much! Better to cut short than to much, account for your cut wheel. Leave the hair line gap, clean up rough edge. ( I used plug from new master cylinder to put a rubber boot on booster rod tip, trim the edge off boot)I had nothing to loose doing this as I couldn't return my booster after tossing the box. This tool saved me 136$ Thank you!

Tool will serve its purpose.