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Description
MFACTORY K-SERIES ROAD RACE CLOSE RATIO GEAR SET MF-TRS-01K20B2. 313 1st, 1. 650 2nd, 1. 304 3rd, 1. 080 4th, 0. 958 5th & 0. 851 6th (Single Synchro) MFactory Close Ratio Gears. Diamond Cut to exacting tolerances from fully Carburized Forged Nickel Chromoly Steel and put through our own proprietary heat treatment process, you will not find stronger, more reliable product on the market. The special treatment process makes our gears several times stronger & tougher than OEM Gears and are specifically designed to
2.313 1st, 1.650 2nd, 1.304 3rd, 1.080 4th, 0.958 5th & 0.851 6th (Single Synchro)MFactory Close Ratio Gears. Diamond Cut to exacting tolerances from fully Carburized Forged Nickel-Chromoly Steel and put through our own proprietary heat treatment process, you will not find stronger, more reliable product on the market. The special treatment process makes our gears several times stronger & tougher than OEM Gears and are specifically designed to endure the demanding requirements of high-power track/drag cars. After installing MFactory gears, you will experience a phenomenal increase in acceleration despite a lower top speed.
Made from imported Japanese Steel. Forged and Cryo-Tempered for unsurpassed toughness. Advanced Shot Peening technology increases surface hardness and advanced gear geometry designed using industry leading software ensure power is put to the ground.
*Ratios: 2.313 1st, 1.650 2nd, 1.304 3rd, 1.080 4th, 0.958 5th & 0.851 6th Gears
*Fits 2002-2006 Acura Integra / RSX / CTR ITR DC5 EP3 6 speed Manual Transmissions
*Note: We highly recommend using with Pro Series Carbon Synchros # SYN117
*Suitable for: Street Cars, Road/Race (not for drag race use)
*Power Rating: ~500whp
Due to the nature of For Race Use Only products, MFactory Competition Products will provide a limited 1 year warranty for all Close Ratio Gears to be free of defects in materials and workmanship upon receipt of product and time of professional installation. It is the sole responsibility of the buyer/installer to verify the suitability for installation. Parts once used in a running transmission will not be covered under warranty. Parts returned must be determined by MFactory Competition Products to be defective before any warranty credit or replacement is issued
MFactory Competition Products's obligation under warranty shall be limited to repairing or replacing, at its option, any part proven defective. The customer must prepay transportation charges
Final determination of the suitability of the products for the use contemplated by the buyer is the sole responsibility of the buyer. MFactory Competition Products shall not be liable for any special, direct, indirect, incidental, or consequential damages, that might be claimed as a result of the failure of any part, including claims for delay, loss of profits, or labor
MFactory Competition Products shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty
There are no other warranties expressed or implied extending beyond those set forth above
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
A better Ironman design
Color: Black/Blue
I've been a fan of Timex watches for most of my life, paying about $30 for one in the 1960s, and that hasn't changed at all in 2010 because I'm still paying about $30 for my Timex watches. It is a rare case indeed when the quality of a product continually improves over several decades while the price remains the same. And as John Cameron Swayze would say in those live ads during the early years of TV, "Timex takes a lickin and keeps on tickin".
The MEGA deserves a good review after I have been using it for a while. You might also see it advertized as the "Oversize" because most distinctive about this design is its size, so tagging it with the name MEGA is entirely justified. It is massive in comparison to most of the other Ironman series of watches, and what seemed at first to be just another unnecessary Ironman 30 Lap design has turned out to be one of my favorites for all-around wearing. This new design keeps the clockworks of the standard size 30 Lap Ironman watches, it counts up and down, programs the same, has several alarms, and of course, it has the Indigo night light that works so well.
This is one of five different versions of the Mega available in the USA, and the only one with a Fastwrap Velcro wristband with blue striping and a matching blue bezel. Velcro wristbands are a favorite among many athletes and when it wears out, it can be replaced with either an identical factory band or one that is made of urethane rubber.
Overall, the Mega is a good choice for runners in need of a new 30 lap Ironman who can appreciate having a watch that is distinctively larger and what I would consider to be much better in appearances over the others of standard or mid size Ironman dimensions.
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Reviewed in the United States on November 17, 2010
★★★★★ 5
Love it
Color: Black/Blue
Have worn these watches for years.they are durable they can get wet take a beating but they keep on ticking. I’m just not a fan of watches you have to charge all the time
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Compared to g-shock?
Color: Black/Yellow
Firstly random public reviews can be comical…”it’s has a battery, terrible, One star” or “I don’t like yellow, one star” omg peoples do better. I’ll review this while comparing to an older style of g-shock from the same era. I’ll start by saying this timex rocks, for me in my mid 50’s it’s so retro and nastalgic, brings back memories, I may have even owned this model back in the day. What’s great about it- the display, larger digits than the typical g-shock and they are super crisp, clear and easy to read. The indiglo is awesome. This is the most accurate quartz watch I have aside from the atomic g-shocks that adjust themselves daily. I prefer a chunky watch and the g-shocks do a better job in that department. i feel this watch is rugged, but I’d still give the nod to g-shock in this department. 200M water resistance is the gold standard and this watch has it which I love for peace of mind for any water based activities. This is a 5 star watch at a great price. I still love some aspects of a g-shock better but its just preference.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Everybody loved the high-tech style and amazing functionality
Color: Black/Yellow
I'm not a Timex fanboy, and I've had my fair share of problems with the Expedition line, so this review is my honest opinion as a man who's worn Armitrons and Timexes since I was 10.
I remember in 1992 when the Timex Ironman Triathlon with Indiglo was first launched - My older brother got one, then me and my neighbor friends. Everybody loved the high-tech style and amazing functionality. Even Bill Clinton was rock'n this watch, for those who don't remember.
Quite simply, this is the perfect watch at a great price, in my opinion. Perfect as a gift for any man, and I think the original black/olive drab/yellow coloration is still the coolest. In this day and age of smartphones, it still pays to have this watch. The alarm is less annoying sounding than a cellphone, and doesn't wake up the entire house. To turn it off, just tap the watch, no more reaching for the phone or alarm clock. Timer comes in handy for anything; timing my kids' timeouts when they get in trouble, 15 minutes room clean-up times, etc. Chrono is fun for anything you wanna use a stop-watch for. I set the second time zone for Vietnam time. It really is a million times easier to use this watch for all of its functions than reaching for a smartphone or alarm clock, etc. If you;ve been relying on your phone for a few years as a watch/chronograph/timer/alarm - you'll be so glad you finally got a watch like this.
I've never tried a smart-watch, however I feel those are not as necessary,durable or practical as a real watch. Other Timex watches I've used were freakin' trash - couldn't throw em away fast enough. Might as well open the box while holding it over a trash can, so the watch can fall right in when you open the box. That's my experience with the Expedition line-up.
Back to this watch: The only thing I wish this watch could do is measure activity thermogenesis (calories expended throught the day) or work as a pedometer, which some smart-watches and other devices can do. I also cannott decide if I like this new, slightly larger, heavier/thicker design of the Ironman Triathlon over the 1990s design. The 90s models styling was "tight to death'. Star-split buttons were seperated. The mode button was yellow. Overall more compact and bi-cultural;by that I mean it looked great as an athletic watch or a politician, business man wathc. This new model is bigger, better ingress/shock resistance, and more of an athletic style over all, and is a little less colorful.
I almost went with the G-shocks, but they still just look like crap and are waay to expensive. Sure, they have some better features, can survive WWIII, but I am a traveler. I need a watch that can work in the dark in any environment. The G-shocks are often using some kind of solar battery crap and rely on cathing a signal from an American automic clock in Colorado - good luck with that while your in Thailand on vacation.
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Reviewed in the United States on December 31, 2016
★★★★★ 5
Great Product. Easy to use.
Color: Black
This is the third running watch I've had and it's my first Timex. I've owned to Casio's before (one being a g-shock), but after finding my g-shock to bulky and cluttered, and loosing my other Casio I picked up from Walmart, I decided to look around to find a new durable running watch.
I run cross country and track so going from a generic stopwatch to a 30-lap chrono watch has been sweet. The lap timer is easy to use and the display is big enough to take a glance and see my split and total time side by side. The recall feature works perfectly and you even have some room to adjust the settings to configure your lap display how you like it.
My favorite thing about this Timex, is its ease of use. The only time I've had to look at a manual is when I first got the watch. The display updates as you go through the various modes to show you what the new buttons mean so there is never a question on how to set the time or recall your laps.
This watch is extremely durable. It has already taken a few shots and I've swam with it on several times. The screen and body have held up nicely and I don't foresee any problems with them in the future. The strap is great also. I really like the notch that keeps the excess strap in place.
The countdown timer and the alarm both work as expected. The timer has some different settings and is easy to set up. My only disappointment with the timer was that you can't set different intervals. Like if you want to run for five minutes and walk for two your going to have to invest a little more for a watch that allows different intervals. The alarm works well too, and the beeping successfully wakes me up in the morning, but I'm not a heavy sleeper so some may find it too quiet.
Overall this watch is durable, easy to use, and can track splits really well. The watch is a little bulky if you are used to a more minimalist watch but for me the weight was perfect, and for the price you can't go wrong with this watch.
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Reviewed in the United States on June 5, 2013
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