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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
gear engagement Nissan Silvia 180SX 200SX 240SX CA18 SR20 KA24 RB20 FJ20 FS5W71C Close – Speedtek Auto RacingOur gearsets have been proven across various platforms, and now it's time to support everyone with the small case transmissions typically found in SR20, CA18, KA24, RB20, and RB25DE powered vehicles. This kit includes forks and gears, shafts, dog rings, and hubs. You can retain the factory 5th gear and reverse gears. We offer an option for the 5th and reverse gear, which can be paired with either a heavy duty mainshaft for optimal performance or used
Our gearsets have been proven across various platforms, and now it's time to support everyone with the small case transmissions typically found in SR20, CA18, KA24, RB20, and RB25DE powered vehicles.
This kit includes forks and gears, shafts, dog rings, and hubs. You can retain the factory 5th gear and reverse gears.
We offer an option for the 5th and reverse gear, which can be paired with either a heavy-duty mainshaft for optimal performance or used with the factory mainshaft. The upgraded mainshaft has been enlarged to create a stronger transmission, capable of handling up to 600HP when combined with the enhanced 5th gear.
Ratio's below for the ultimate strength/performance:
Speedtek Auto Racing Straight Cut Gearset.
1-2.69
2-1.69
3- 1.24
4- 1.00
5- OPTIONAL 0.79 (Shorter than stock Ratio but ideal for Racing use)
S13 SR20DET & KA24 Ratio's. (180sx JDM /240SX - USDM)
1- 3.321
2- 1.902
3- 1.308
4- 1.000
5- 0.759
Be mindful these are intended for Rapid Quick Shift's, very different to a Factory FS5W71C Synchronized Transmission.
- Optional 5th Gear & Dog Engagement Reverse.
- Optional HD Main Shaft & 4140 Billet Chromoly slip Yoke to suit.
*Please be mindful that:
The SR20 / CA18 & KA24 share the same kit as the Mainshaft length is the same.
The RB20 / RB25DE / RB30E share the same kit as the Mainshaft length is the same.
If you have another engine setup then what's listed, please choose other and provide us with some information on what engine/transmission you have so we can provide you with the right kit.
When choosing the 1-5 Kit with Upgraded Mainshaft & Slip Yoke, you must use the S14 style striking rod for 5th/reverse to make the kit work, we can provide part numbers so you can order this rod and supporting parts if required from your local Nissan Dealership.
- Optional 5th Gear & Dog Engagement Reverse.
- Optional HD Main Shaft & 4140 Billet Chromoly slip Yoke to suit.
*Please be mindful that:
The SR20 / CA18 & KA24 share the same kit as the Mainshaft length is the same.
The RB20 / RB25DE / RB30E share the same kit as the Mainshaft length is the same.
If you have another engine setup then what's listed, please choose other and provide us with some information on what engine/transmission you have so we can provide you with the right kit.
When choosing the 1-5 Kit with Upgraded Mainshaft & Slip Yoke, you must use the S14 style striking rod for 5th/reverse to make the kit work, we can provide part numbers so you can order this rod and supporting parts if required from your local Nissan Dealership.
Our 3rd & 4th gear shift fork is designed around the S14 shift rod. If you're using a different transmission, you can simply redrill the shift fork rod to position the shift rod at the center of 3rd-4th gear, ensuring proper travel and functionality.
(OEM Part# 32808-03U00)
We now offer Isotropic Superfinishing on all our Speedtek Products.
(This process will increase the time from when we could dispatch the kit, please email us if you have any questions)
Superfinishing is a metalworking process that improves surface finish and workpiece geometry. This is achieved by removing just the thin amorphous surface layer left by the last process with an abrasive stone to grind the gears and other parts ; this layer is usually about 1 μm in magnitude. Superfinishing, unlike polishing which produces a mirror finish, creates a cross-hatch pattern on the workpiece.
Advantages of superfinishing include: increasing part life, decreasing wear, closer tolerances, higher load bearing surfaces, better sealing capabilities, and elimination of a break in period.
Our solid 6-month unconditional warranty program for all our manufactured gearsets, you can be confident that your investment is well-protected.
Our extended warranty program is available, for more information : Extended Warranty Program now Available with our Performance Transmiss – Speedtek Auto Racing
We provide installation instructions for all our Dog Engagement Gearsets, please email us for this when you receive your kit.
(OEM Part# 32808-03U00)
We now offer Isotropic Superfinishing on all our Speedtek Products.
(This process will increase the time from when we could dispatch the kit, please email us if you have any questions)
Superfinishing is a metalworking process that improves surface finish and workpiece geometry. This is achieved by removing just the thin amorphous surface layer left by the last process with an abrasive stone to grind the gears and other parts ; this layer is usually about 1 μm in magnitude. Superfinishing, unlike polishing which produces a mirror finish, creates a cross-hatch pattern on the workpiece.
Advantages of superfinishing include: increasing part life, decreasing wear, closer tolerances, higher load bearing surfaces, better sealing capabilities, and elimination of a break in period.
Our solid 6-month unconditional warranty program for all our manufactured gearsets, you can be confident that your investment is well-protected.
Our extended warranty program is available, for more information : Extended Warranty Program now Available with our Performance Transmiss – Speedtek Auto Racing
We provide installation instructions for all our Dog Engagement Gearsets, please email us for this when you receive your kit.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
So nice but not a good fit on my foot
I love these boots so much, they’re exactly what I wanted. Unfortunately, they are too big in the heel and flop, while too tight in the toe. I know the toe would stretch with wear, but can’t deal with a floppy heel, they pulled my socks down off my feet. I do have narrow feet. Too bad, I’m so disappointed! They seem well made and would go with everything. Comfortable, too, if they fit right.
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Reviewed in the United States on October 31, 2018
★★★★★ 5
Extremely comfy!!!
I’m from Alaska and these boots are amazing!! I’m ordering a second pair. Cute for the office, but also 100% keep your feet warm from Snow or water.
These are so Comfy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2021
★★★★★ 5
Best boots I have ever purchased
I do appraisal work so I was looking for something cute/professional yet durable and rugged for when I work outside in all types of weather. Found it! So comfortable, so cute, and waterproof. I wear them most days for both office work and inspection work. I range between 8.5-9 and I got a 9 and they fit great both with thin socks or thick socks. I very highly recommend.
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Reviewed in the United States on October 7, 2020
★★★★★ 5
Perfect for travel... very comfortable!
These things are amazing! I bought these a couple weeks before a trip to Italy and had planned on doing a lot of walking in them. I only got to wear them a couple times before we went on our trip, but no blisters, even during LOTS of walking in them on the trip! They wore in super quickly while still keeping their durability. My feet stay dry even in lots of rain. The photos show the wear on them after a few months, including a couple weeks of travel, and weeks of wear around town.
My only complaint is that there is a tiny something (a little knot of thread with glue? not sure...) that is at the top of the opening of the boot, and it rubs the back of my ankle and makes a sore. That isn't enough to make me not wear them though. There's a photo that shows this. As you can see it's super tiny, and probably not even a flaw, it just hits my ankle *just* right so that it rubs.
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Reviewed in the United States on August 10, 2018
★★★★★ 5
These shoes were perfect! Cute design
Spent more than I typically would on shoes to get a quality pair for a trip. Needed a dependable shoe that would be waterproof for hiking and exploring the often wet climate and terrain. These shoes were perfect! Cute design. Very comfortable. Fit as expected. Kept my feet warm and dry. Good for hiking as well as walking the streets of the little towns we explored. I'm glad I invested in these boots!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 29, 2018
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