10-spline Quick Change Gears

10-Spline Gear Chart - Click To View

PROFESSIONAL & SPORTSMAN
SCS 10 SPLINE QUICK CHANGE GEAR CHART
GEAR SET	4.11 Ring & Pinion			4.86 Ring & Pinion		4.57 Ring & Pinion
NO.	(9-27 Teeth)		No. of	(7-34 Teeth)
	Low	High	Teeth	Low	High	Low	High
1	4.11	4.11	28/28	4.86	4.86	4.57	4.57
2	3.96	4.26	27/28	4.68	5.04	4.41	4.74
5	3.94	4.28	24/25	4.66	5.07	4.38	4.76
15	3.90	4.33	19/20	4.61	5.12	4.34	4.81
15K	3.85	4.38	15/16	4.56	5.18	4.28	4.88
26	3.83	4.41	27/29	4.52	5.22	4.25	4.91
6	3.78	4.46	23/25	4.47	5.28	4.21	4.96
25	3.74	4.52	20/22	4.42	5.35	4.16	5.03
12	3.68	4.58	26/29	4.36	5.42	4.10	5.09
7	3.63	4.64	23/26	4.30	5.49	4.04	5.16
7K	3.58	4.69	21/24	4.23	5.54	4.00	5.22
17	3.55	4.76	19/22	4.19	5.63	3.95	5.29
8K	3.49	4.83	17/20	4.13	5.71	3.89	5.37
8	3.48	4.85	22/26	4.11	5.75	3.86	5.40
19	3.45	4.89	21/25	4.08	5.78	3.84	5.44
9K	3.42	4.93	25/30	4.05	5.83	3.81	5.48
9	3.39	4.97	19/23	4.01	5.88	3.77	5.53
11	3.35	5.04	22/27	3.96	5.97	3.72	5.61
3	3.31	5.10	25/31	3.92	6.03	3.68	5.67
13	3.29	5.14	20/25	3.89	6.08	3.65	5.71
18	3.25	5.19	19/24	3.85	6.13	3.62	5.77
4K	3.21	5.26	18/23	3.80	6.21	3.58	5.84
4	3.18	5.31	24/31	3.76	6.28	3.54	5.90
20	3.16	5.34	20/26	3.74	6.32	3.51	5.94
22	3.12	5.41	19/25	3.69	6.39	3.47	6.01
16	3.08	5.48	24/32	3.65	6.48	3.43	6.09
10	3.04	5.55	20/27	3.60	6.56	3.38	6.17
34	3.00	5.63	19/26	3.55	6.65	3.34	6.25
14	2.95	5.72	23/32	3.50	6.76	3.29	6.35
14K	2.93	5.76	20/28	3.47	6.81	3.26	6.40
35	2.91	5.80	17/24	3.44	6.86	3.24	6.49
32K	2.87	5.89	23/33	3.39	6.97	3.18	6.56
24	2.83	5.96	20/29	3.35	7.04	3.15	6.63
36	2.80	6.04	17/25	3.30	7.15	3.11	6.72
37	2.78	6.07	23/34	3.29	7.18	3.09	6.76
23	2.74	6.16	18/27	3.24	7.29	3.05	6.85
21	2.69	6.28	17/26	3.18	7.43	2.99	6.99
27	2.66	6.35	22/34	3.15	7.51	2.96	7.06
43	2.63	6.42	16/25	3.11	7.59	2.93	7.14
28	2.60	6.49	19/30	3.08	7.67	2.89	7.22
29	2.57	6.58	15/24	3.04	7.77	2.86	7.31
30	2.53	6.67	16/26	2.99	7.89	2.81	7.43
41	2.49	6.77	17/28	2.95	8.00	2.77	7.53
31	2.46	6.85	21/35	2.91	8.10	2.74	7.62
33K	2.43	6.94	16/27	2.88	8.20	2.71	7.71
33	2.41	7.00	17/29	2.85	8.28	2.68	7.79
31K	2.39	7.05	14/24	2.83	8.33	2.66	7.83
30K	2.37	7.12	15/26	2.80	8.42	2.64	7.92

Standard QC Gears

PRO QC Gears

SCS Gearbox 10-Spline Professional Gear

Professional

SCS 10-Spline Quick Change Gears, Sets #1 thru #28 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

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.

How Could You Not Have Professional Quality Gear?

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 manufacture the specialized gearing that we sell so you can know for sure that you are getting quality. We could pass on someone else’s work but we prefer to do our own. We can offer you specialized gearing to fit your needs. Because we do the manufacturing we can look you in the eye with confidence and tell you that what you are getting is professional quality every time whether you are buying a 10-Spline Professional Gear or if you need a Gear Ratio Calculator. This is something that you won’t find everywhere and something you won’t find anywhere in the same way that you find it at SCS Gearbox Inc.