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PROFESSIONAL & SPORTSMAN |
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SCS 10 SPLINE QUICK CHANGE GEAR CHART |
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GEAR SET |
4.11 Ring & Pinion |
4.86 Ring & Pinion |
4.57 Ring & Pinion |
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NO. |
(9-27 Teeth) |
No. of |
(7-34 Teeth) |
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|
Low |
High |
Teeth |
Low |
High |
Low |
High |
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|
1 |
4.11 |
4.11 |
28/28 |
4.86 |
4.86 |
4.57 |
4.57 |
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|
2 |
3.96 |
4.26 |
27/28 |
4.68 |
5.04 |
4.41 |
4.74 |
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|
5 |
3.95 |
4.28 |
24/25 |
4.66 |
5.07 |
4.38 |
4.76 |
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|
15 |
3.90 |
4.33 |
19/20 |
4.61 |
5.12 |
4.34 |
4.81 |
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|
15K |
3.85 |
4.38 |
15/16 |
4.56 |
5.18 |
4.28 |
4.88 |
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|
26 |
3.83 |
4.41 |
27/29 |
4.52 |
5.22 |
4.25 |
4.91 |
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|
6 |
3.78 |
4.47 |
23/25 |
4.47 |
5.28 |
4.21 |
4.96 |
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|
25 |
3.74 |
4.52 |
20/22 |
4.42 |
5.35 |
4.16 |
5.03 |
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|
12 |
3.68 |
4.58 |
26/29 |
4.36 |
5.42 |
4.10 |
5.09 |
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|
7 |
3.64 |
4.65 |
23/26 |
4.30 |
5.49 |
4.04 |
5.16 |
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|
7K |
3.60 |
4.70 |
21/24 |
4.23 |
5.54 |
4.00 |
5.22 |
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|
17 |
3.55 |
4.76 |
19/22 |
4.19 |
5.63 |
3.95 |
5.29 |
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|
8K |
3.49 |
4.84 |
17/20 |
4.13 |
5.71 |
3.89 |
5.37 |
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|
8 |
3.48 |
4.86 |
22/26 |
4.11 |
5.75 |
3.86 |
5.40 |
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|
19 |
3.45 |
4.89 |
21/25 |
4.08 |
5.78 |
3.84 |
5.44 |
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|
9K |
3.43 |
4.93 |
25/30 |
4.05 |
5.83 |
3.81 |
5.48 |
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|
9 |
3.40 |
4.98 |
19/23 |
4.01 |
5.88 |
3.77 |
5.53 |
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|
11 |
3.35 |
5.04 |
22/27 |
3.96 |
5.97 |
3.72 |
5.61 |
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|
3 |
3.31 |
5.10 |
25/31 |
3.92 |
6.03 |
3.68 |
5.67 |
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|
13 |
3.29 |
5.14 |
20/25 |
3.89 |
6.08 |
3.65 |
5.71 |
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|
18 |
3.25 |
5.19 |
19/24 |
3.85 |
6.13 |
3.62 |
5.77 |
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|
4K |
3.22 |
5.25 |
18/23 |
3.80 |
6.21 |
3.58 |
5.84 |
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|
4 |
3.18 |
5.31 |
24/31 |
3.76 |
6.28 |
3.54 |
5.90 |
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|
20 |
3.16 |
5.34 |
20/26 |
3.74 |
6.32 |
3.51 |
5.94 |
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|
22 |
3.12 |
5.41 |
19/25 |
3.69 |
6.39 |
3.47 |
6.01 |
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|
16 |
3.08 |
5.48 |
24/32 |
3.65 |
6.48 |
3.43 |
6.09 |
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|
10 |
3.04 |
5.55 |
20/27 |
3.60 |
6.56 |
3.38 |
6.17 |
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|
34 |
3.00 |
5.62 |
19/26 |
3.55 |
6.65 |
3.34 |
6.25 |
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|
14 |
2.95 |
5.72 |
23/32 |
3.50 |
6.76 |
3.29 |
6.35 |
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|
14K |
2.94 |
5.75 |
20/28 |
3.47 |
6.81 |
3.26 |
6.40 |
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|
35 |
2.91 |
5.80 |
17/24 |
3.44 |
6.86 |
3.24 |
6.49 |
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|
32K |
2.86 |
5.90 |
23/33 |
3.39 |
6.97 |
3.18 |
6.56 |
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|
24 |
2.83 |
5.96 |
20/29 |
3.35 |
7.04 |
3.15 |
6.63 |
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|
36 |
2.79 |
6.04 |
17/25 |
3.30 |
7.15 |
3.11 |
6.72 |
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|
37 |
2.78 |
6.08 |
23/34 |
3.29 |
7.18 |
3.09 |
6.76 |
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|
23 |
2.74 |
6.17 |
18/27 |
3.24 |
7.29 |
3.05 |
6.85 |
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|
21 |
2.69 |
6.29 |
17/26 |
3.18 |
7.43 |
2.99 |
6.99 |
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|
27 |
2.66 |
6.35 |
22/34 |
3.15 |
7.51 |
2.96 |
7.06 |
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|
43 |
2.63 |
6.42 |
16/25 |
3.11 |
7.59 |
2.93 |
7.14 |
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|
28 |
2.60 |
6.49 |
19/30 |
3.08 |
7.67 |
2.89 |
7.22 |
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|
29 |
2.57 |
6.58 |
15/24 |
3.04 |
7.77 |
2.86 |
7.31 |
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|
30 |
2.53 |
6.68 |
16/26 |
2.99 |
7.89 |
2.81 |
7.43 |
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|
41 |
2.50 |
6.77 |
17/28 |
2.95 |
8.00 |
2.77 |
7.53 |
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|
31 |
2.47 |
6.85 |
21/35 |
2.91 |
8.10 |
2.74 |
7.62 |
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33K |
2.44 |
6.94 |
16/27 |
2.88 |
8.20 |
2.71 |
7.71 |
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|
33 |
2.41 |
7.01 |
17/29 |
2.85 |
8.28 |
2.68 |
7.79 |
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|
31K |
2.40 |
7.05 |
14/24 |
2.83 |
8.33 |
2.66 |
7.83 |
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|
30K |
2.37 |
7.12 |
15/26 |
2.80 |
8.42 |
2.64 |
7.92 |
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SCS Gearbox 10-Spline Professional Gear
SCS 10-Spline Quick Change Gears, Sets #1 thru #30K, with the exception of 15K, are Max Lightened, where possible, without sacrificing the strength! Average weight savings 1 ½ lbs.! Since 1987, SCS Gears have been the proven leader in Ultra High Performance Quick Change Gearing. SCS builds gears that Last! SCS Gears are made of 9310 Aircraft Alloy for maximum strength. Each gear is Crown Shaved (Ground before Heat Treat) to minimize backlash and run out, broached for proper 10-spine shaft fit and Black Oxide finished. The SCS Extra 5 step heat treating process yields maximum gear life for high stress applications such as Big Block Oswego Super Modifieds, World of Outlaw Sprint Cars and IROC Series Cars.
SCS Gearbox 10-Spline Sportsman
SCS now makes A Quality Gear, priced for the Sportsman Racers. The SPORTSMAN SERIES gears are CNC Crown Hobbed to produce a quality that meets the exacting standards accepted by SCS. The gears are not lightened and are made of 8620 material. They are Heat Treated as are the PROFESSIONAL SERIES, but will have a REM finish rather than the Black Oxide.
Please note that the SPORTSMAN GEARS are engineered the same as the PROFESSIONAL SERIES and have the exact same Gear Ratios Available. (The Gear Ratio Card works for both the Professional and Sportsman Series!)
The Professional Quality Of SCS Gearbox Inc
Welcome to SCS Gearbox Inc. This is where you can find all the professional quality items that you need for tractor and truck pulling, monster trucks, mud bogging, and more for nearly every aspect of the racing industry. If you want professional quality items and people who know all about these items then you want SCS Gearbox Inc.
Nothing Less Than Professional Quality
Not everyone manufactures or sells the same professional quality merchandise. You hear about honest folks getting swindled all the time. It’s unfortunate but it happens. This is why you need to be sure that you can trust the company that is selling you all your items. We have been in business since 1979 and we have given our customers nothing but the best from the very beginning. If you want to be sure that you will find nothing but professional quality items to choose from then come to us.
We Are People Who Know These Products
We manufacture and sell our professional quality products so we know everything there is to know about them. If you have questions then we will have answers. With us you won’t be dealing with someone who is trying to sell you merchandise that they know nothing about.
We can tell you what you need to know and if there are many things that you don’t know then we can help to fill you in. We are happy to tell you all about our products from our Quick Change Gears to our Gear Sets because we are justly proud of them. Don’t you think that there’s a better chance of you getting what you want if the people who are selling the items to you actually know what they’re talking about? We know our stuff.
A Dedication To Quality Products From The Start
We understand that the dedication you have towards racing starts with the dedication we have when producing the parts for you. Our Quick Change Gears go through many quality and performance checkpoints before they become available for purchase. Each individual gear is both computer quality checked and hand quality checked and spun with its partnering gear before it is boxed and shipped to the customer. We understand that there is a lot of extra time taken to hand check each gear, but we are willing to make that sacrifice to guarantee you are getting the best quality product we can provide. We want to be able to look you in the eye with confidence and know that our dedication is going to show when you use our parts. Without dedication to the work that we do our company would not still be in business after 37 years. We strive to achieve and move up with the racing industry and to keep our customers satisfied. Dedication equals quality and this will always stand true at SCS Gearbox.