7 Best manual gearbox additive [2022]

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1. Liqui Moly 1042 Gearbox Oil Leak Stop – 50 Liter

  • Reduces oil loss via leaky seals, prevents oil spots and pollution of the environment
  • Protects from deficient lubrication and transmission damage
  • Secures optimum lubricating action and increases operational reliability
  • Prevents transmission oil leaking onto clutches
  • Compatible with commercially available gear oils, simple and safe to use

2. Six Speed Manual Gearbox Transmission Shift Fidget Toy Keychain [Free Bonus: Mini Adjustable Wrench Keychain]

  • High quality stick shifting gearbox keychain! No clutch required 🙂
  • Perfect gift for the car fanatic in your life
  • Metal keychain – not low quality plastic!
  • Size: 2 inch x 0.87 inch x 0.87 inch
  • Limited time bonus: Wrench Keychain that actually can be open and closed

3. Bardahl 3119 Gear Oil Additive Plus Stop Leak – 8 oz.

  • Extends gear oil life
  • Conditions seals and eliminates leaks
  • Protects against gear wear and reduces gear noise
  • Improves synchronizer performance, decreasing shift effort in manual transmissions
  • Suitable for use in all types of manual transmissions and differentials that specify standard automotive gear oils or motor oil as the lubricant

4. XADO EX120 Revitalizant for Manual Transmission – Stick Shift Gear Boxes, Transfer Cases & Differentials (Syringe 8 ml) – Friction Modifier & Anti Hard Shifting Additive

  • Repairs Scratches and Damaged Working Surfaces – Improves Operation Of Synchronizers
  • Increases Gear Contact Efficiency – Resulting in Better Gear Shifting Accuracy
  • Works with Manual & Direct shift, Robotized Gear Boxes, Transfer Cases & Differentials
  • Reduces Noise And Vibrations. Stops Slipping and Hard Shifting
  • If There Is a Heavy Transmission Fluid Leakage – Transmission Will Still Work Up To 600 Miles

5. Real Cars Don’t Shift Themselves | Funny Auto Racing Mechanic Manual T-Shirt-(Adult,M)

  • MICHIGAN ARTISTS & PRINTERS | this design was drawn and screen printed (silk screened) with pride by our skilled illustrators and printers in Ann Arbor. If you’re ever in the area, stop by for a free tour and see how we make your apparel! Tagless tag is printed on fabric inside collar, you can’t feel it.
  • UNISEX MODERN FIT SIZING | this shirt is slightly tapered to be a little less boxy than the old style of mass-market t-shirt. Nothing drastic, and most people wear the same size in our shirts as they do in all of their others, but you might go one size larger if you’re on the fence. It is pre-shrunk, but like any high-cotton product, will still shrink slightly in the wash. Our model photos are the real thing – the actual shirt on our salesguy, Rich. He’s 6′ 2″, 200 lbs and wearing a large
  • SOFT FABRICS | Our shirts are a ringspun, 30/1 fine jersey knit on 100% USA-grown cotton. If you don’t speak t-shirt geek, that means they are soft and smooth with a high thread-count, tight knit made out of fuzzy plants grown by American farmers. These are mid-weight shirts – a bit lighter than your mass-market, thick gym class t-shirts, but substantial / not see-through. It’s a nice balance between comfort and durability
  • TOP QUALITY INKS | We use QCM screen printing inks, manufactured in Pineville, North Carolina. These are high quality inks – vibrant and durable, and highly crack resistant. Some of our designs are intentionally faded or cracked (see product photos), but our inks always “do what they are told” by our printers. We use top of the line printing presses and ovens (to cure inks) made by M&R in Illinois
  • SAFE CHEMISTRY | QCM has been one of the most forward-thinking ink manufacturers in the industry, going phthalate-free over ten years ago – way ahead of the curve. They’re also CFC free and rated as carcinogen-free by the state of California

6. BKBY Simulation Car Changing Gear Fidget Toy ,Mini Fingertips Simulation Six Speed Manual Gearbox Transmission Shift Lever Toy,Novelty Anti-Stress Fidget Spinner Toys for Kids and Adults (Red)

  • Gear Shift Controllers – Simulation car’s manual gear shift lever, it has six speed manual transmission gear shift, you can move the lever to various gear positions in the gearbox.Passing time while thinking or being bored will bring more fun and feel a lot of relaxation.
  • Stay Focused– Knee shaking, pen clicking, popping bubble wrap but these movements can drive your collogues and friends away. Use of this gadget. It also improves your focus while studying, working or brainstorming .It’s a relaxing and compact tactile sensory never ending controllers.
  • Relieve Stress -If you feeling stressed and on edge? With our fidget Gear Shift toy no one will be bored that will occupy your child and keep him/her off the screen.This Mini Gear Shift Simulator toy will sooth your soul and get you feeling peace fast.Effectively relieve your stress and anxiety of long hours of work and study.
  • Carry Fidget Controllers Anytime – Ergonomically curved design,Have fun for hours while practicing and improving finger flexibility.Playable with one hand. Prime fidget toy for little children, teens and adults.
  • Great Gift Idea – Fidget Gear Shift Controller is small and lightweight, and you can easily store it in your pocket and take it anywhere with you.It’s also a popular gift idea for Christmas gifts, birthday gifts, reward gifts, stress relieving toy gifts.With this present you can’t go wrong.

7. Bar’s Leaks 1816 Differential Gear Repair

  • Seal Conditioner – stops current and prevents future leaks by protecting and reconditioning seals.
  • Extreme Pressure (EP) and Anti-Wear (AW) Agents – provide excellent metal-to-metal wear protection reducing noise and gear temperatures. Our sulfur, nitrogen and phosphorus additives meet the requirements of API GL-4 and GL-5 specifications.
  • Friction Modifier – supplements the EP/AW additives to help reduce noise and wear. This in turn helps shifting in a manual transmission and also stops chatter in limited-slip posi-traction axles.
  • Performance Additive Booster – includes tackifying agents and highly sheer-stable multigrade viscosity modifiers to keep oil on the gears and bearings where it can better lubricate, especially at higher temperatures. Pour Point Depressant (PPD) allows product to flow even at very low temps.
  • Manufactured in the USA, this product works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and other seal leaks. Reduces grinding, whining, clunking and protects gears.

8. I Still Play With Blocks Racing Shirt | Maintenance Man Gift T-Shirt

  • Engine men are intelligent. Are you good at repairing race vehicles? Have your wrenches, screwdrivers, sockets and this cylinder block shirt to begin. This shirt is best for men and women working in big automobile car repair shops and mechanical engineers.
  • Young boys and girls dreaming to be engineers are apt to use this top. It can be a funny birthday or Christmas present to kids and toddlers who are total toy wreckers. This can also be a nice family shirt in attending a fun mechanical-themed reunion.
  • Lightweight, Classic fit, Double-needle sleeve and bottom hem

9. RESURS Total 50 g Manual Gearbox Restorer/Transmission Oil Additive/Gear Restorer/Manual Gearbox Restorer/Mechanical Gearbox Restorer/Gearbox Oil Additive/Manual Transmission Treatment

  • RESTORATION and antiwear protection of mechanical transmission and its bearings
  • PROTECTION from over heating
  • PROTECTION during gear changes

10. Lucas Oil LUC10043 Oil SAE 80W-90 Heavy Duty Gear Oil – 1 Quart

  • Contains special anti-wear and lubricity agents
  • Helps to control heat
  • Excellent for high performance and heavy-duty applications
  • Fit Type: Universal

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