Page 714 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Gun Drilled THE KERA CONCEPT AND PROPER AXLE SELECTION
Although the left and right axles are different lengths, they are
Short Track Axles typically the same diameter, and therein inherently lies the prob-
2YDO WUDFN D[OHV DUH PDQXIDFWXUHG lem. Because that the right axle is longer, it has a lower spring
from ultra-high-strength alloy steel for rate than the left. The result is that left axle does not “wrap-up”
outstanding yield and tensile strength. as great as the right and the car has a tendency to steer right on
CNC-hobbed splines provide precise LQLWLDO DFFHOHUDWLRQ EHFDXVH WKH OHIW UHDU VHHV WKH SRZHU ¿UVW
tolerances and even torque transfer, and are heat-treated, By simply using a smaller diameter left rear axle with the KERA
VKRW SHHQHG DQG 5(0 ¿QLVKHG WR LQFUHDVH GXUDELOLW\ $[OHV DUH (“Kleban Equal Response Axles”) split diameter concept (also
gun-drilled .578" to reduce rotating weight. referred to as wrap axle), torque steer reaction can be equalized
Part No. Description Length O.D. under both acceleration and deceleration. By referring to the ac-
SOTAGY11152850 31-Spline Axle 28.5" 1.115" companying chart, you can determine the proper axle diameter
SOTAGY11302850 31-Spline Axle 28.5" 1.130" for the right and left side.
SOTAGY11153000 31-Spline Axle 30.0" 1.115" RECOMMENDED AXLE SET-UPS
SOTAGY11303000 31-Spline Axle 30.0" 1.130"
Right
Left
SOTAGY11453000 31-Spline Axle 30.0" 1.145" Application Axle Dia. Axle Dia.
SOTAGY10803050 31-Spline Axle 30.5" 1.080" IMCA/USMTS Style A-Mods
SOTAGY11153050 31-Spline Axle 30.5" 1.100" (650+ HP) With Gun-Drilled Axles
SOTAGY11003050 31-Spline Axle 30.5" 1.115" Standard KERA 1.130" 1.145"
SOTAGY11303050 31-Spline Axle 30.5" 1.130" Optional “Tuner” 1.115" —
SOTAGY11453050 31-Spline Axle 30.5" 1.145" Optional Heavy Right Side* — 1.165"
SOTAGY11003150 31-Spline Axle 31.5" 1.100" IMCA/USMTS Style B-Mods & Sport-Mods
SOTAGY11303150 31-Spline Axle 31.5" 1.130" (Less Than 600 HP) With Gun-Drilled Axles
SOTAGY11303200 31-Spline Axle 32.0" 1.130" Standard KERA 1.115" 1.130"
Optional “Tuner”/Heavy Right Side*
SOTAGY11453200 31-Spline Axle 32.0" 1.145" Asphalt Late Models — 1.145"
SOTAGY11153200 31-Spline Axle 32.0" 1.115" (700+ HP) With Gun-Drilled Axles
SOTAGY11153250 31-Spline Axle 32.5" 1.115" Standard KERA 1.180" 1.145"
SOTAGY11303250 31-Spline Axle 32.5" 1.130" Optional “Tuner” 1.130" —
SOTAGY11453250 31-Spline Axle 32.5" 1.145" Limited Asphalt Late Models
SOTAGY11653250 31-Spline Axle 32.5" 1.165" (Less Than 700 HP) With Gun-Drilled Axles
SOTAGY11303300 31-Spline Axle 33.0" 1.130" Standard KERA 1.165" 1.130"
SOTAGY11453300 31-Spline Axle 33.0" 1.145" Optional “Tuner” 1.115" —
SOTAGY11653300 31-Spline Axle 33.0" 1.165" Dirt Late Models (700+ HP) With Gun-Drilled Axles
SOTAGY11803300 31-Spline Axle 33.0" 1.180" Standard KERA 1.145" 1.200"
SOTAGY11153350 31-Spline Axle 33.5" 1.115" Optional “Tuner” 1.130" —
SOTAGY11153400 31-Spline Axle 34.0" 1.115" Sportsman & Crate Motor Dirt Late Models
SOTAGY11303400 31-Spline Axle 34.0" 1.130" With Gun-Drilled Axles
SOTAGY11653400 31-Spline Axle 34.0" 1.165" Standard KERA 1.130" 1.180"
SOTAGY11803400 31-Spline Axle 34.0" 1.180" Cars With Less Than 2.50" Of Split
Between L&R Axles (Barry Wright, Pierce, etc.)
SOTAGY12003400 31-Spline Axle 34.0" 1.200" With Gun-Drilled Axles
SOTAGY11453500 31-Spline Axle 35.0" 1.145" Standard KERA 1.165" 1.200"
SOTAGY11453600 31-Spline Axle 36.0" 1.145" Optional “Tuner” 1.145" -
SOTAGY11653500 31-Spline Axle 35.0" 1.165" * For “heavy” or rough tracks. Also used to create wide diameter split
SOTAGY11653600 31-Spline Axle 36.0" 1.165" between left and right.
SOTAGY11803500 31-Spline Axle 35.0" 1.180"
SOTAGY12003500 31-Spline Axle 35.0" 1.200"
SOTAGY12003600 31-Spline Axle 36.0" 1.200" Wide 5 Oval Track Drive Plates
SOTAGY12003650 31-Spline Axle 36.5" 1.200" For Cambered Axles
SOTAGY12003700 31-Spline Axle 37.0" 1.200"
SOTAGY11653950 31-Spline Axle 39.5" 1.165" Designed for use with cambered axles,
billet steel Wide 5 drive plates are mill-scal-
loped to reduce rotating weight and feature
Wide 5 Oval Track Drive Plates steel splined inserts for improved wear resis-
Lightweight, durable Wide 5 drive plates tance. Drive plates are zinc-plated for corro-
are manufactured from aircraft quality alu- sion resistance.
PLQXP DQG ¿WWHG ZLWK VWHHO VSOLQHG LQVHUWV Part No. Description
for improved longevity. Drive plates are SOTADW520 Steel Articulating 5-Lug Drive Plate
mill-scalloped to reduce weight and include SOTADW820 Steel Articulating 8-Lug Drive Plate
ÀDQJHG VWHHO VOHHYH PRXQWLQJ KROH EXVK- SOTADW520F Replacement Drive Plate O-Ring
ings for reduced distortion.
5 x 5 Drive Flange Accessories
Part No. Description
SOTADW500 Aluminum Standard 5-Lug Drive Plate Part No. Description
SOTADW800 Aluminum 8-Lug Drive Plate SOTADW530 5-Bolt Cambered Drive Flange, Howe/PCR
SOTADW500C Replacement Dust Cap SOTADW530BT 5-Bolt Cambered Drive Flange, With Aluminum Race-Day Bullet
SOTADW500E Replacement Dust Cap Bolt, Each SOTADW530K Aluminum Race Day Bullet Only
SOTS5000O Replacement Dust Cap O-Ring SOTADW570 5-Bolt Drive Flange, 5 x 4.75"/5 x 5", For 24-Outboard Spline Axles

710 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES