Page 817 - 2021-22 Auto Performance_Circle Track
P. 817
2nd Generation Short Sprint Center Quick-Change with 8” Ring and Pinion
Steel Spool Set-Up Bearing
WIN5138
2" set-up bearing.
Trackstar 2nd Generation 10" Differential
WIN3224-01
2nd generation unit, manufac-
tured using a 4140 heat-treat-
ed steel housing completely
encasing worm and side gears,
is a torque multiplier differential
that functions through the use of
friction, generated by thrust forc-
es from the internal gearing and
the Tri-Lock Bronze Thrust Washer System. Specialized design helps multiply available torque from the wheel that is starting to spin up or lose traction and sends that available torque to the slower turning wheel with better traction.
Billet Aluminum 10" Locker Differentials
Engineered for 10" quick-change rears, locker is fully automatic, providing spool-type traction on the straight- aways and automatically unlocking
-
ted with a new 8” diameter ring gear
that is 20% smaller and 20% lighter
than traditional 10" gears, providing
unsprung weight for improved ac-
celeration and deceleration. Special
short design also provides 1-1/2"
more fuel cell clearance. Although
design, lower horsepower cars can
Change is less axle tubes and includes Posi-Lock assembly (WIN8104), heat-treated lower shaft (WIN8016), 8" 4.11 ring and pinion (WIN8111-8S), aluminum spool (WIN8115), Sprint Center “shorty” gear (WIN8133-8S), heavy-duty cover (WIN8137), and 6-rib machined side bells (WIN8186P).
Part No.
Description
Shown with Optional Billet Cover and Black Coating, Not Included.
WINK5270-LT-S
2nd Generation Short Sprint Center Quick-Change with 8” Ring and Pinion
Replacement Component
WIN65411SB-CT
4.11 Ring and Pinion Assembly, Includes Bearings NEW!
Ring and Pinion Assemblies
change rear ends. Available with or without bearings.
in the corners. Offered in standard
and lightweight versions; light-
weight unit provides reduced ro-
tating and unsprung weight. Units
include 2.031" bearing diameter
and are standard with 78-lb. factory-calibrated springs installed.
Part No. Description
* 1" longer right axle and a 1" shorter left axle than the standard locker assembly.
Replacement Locker Springs
Ratio
Part No. without Bearings
Part No. with Bearings
WIN5114-01L
4.12
WIN5714
WIN5715*
4.86
WIN5400
WIN5401*
WIN5114-01
Billet Aluminum Locker, 13 lbs., 8 oz.
WIN5114-01L*
Billet Lightweight Aluminum Locker, 10 lbs., 13 oz.
* Pinion bearing pre-load is not set.
Extra-Heavy-Duty 4.86
Ring and Pinion Assembly WIN56486
Assembly incorporates a heavy-du-
improved retention of the bearing
race to the center section, An im-
proved spread bearing pinion allows
a mammoth radius at the juncture of
the pinion shaft and pinion gear head.
Sold complete with bearings, Posi-Lock, and roller nose bearing.
Quick-Change Set-Up Accessories
differentials.
Part No.
Description
WIN1280O
Orange Spring, 58 lbs.
WIN1280R
Red Spring, 90 lbs.
WIN1280Y
Yellow Spring, 78 lbs.
WIN1280Y
Part No.
Description
Aluminum Triple Track
WIN2297
Triple Track is the optimum trac- tion-control differential available from Winters. Weighs only 13 lbs. 10 oz. Fits all 10" quick-change rears.
Lock-Up Plug WIN6789 Lock up Winters Triple Track or Gold
Track.1-3/8" long x 31-spline.
WIN5294
2.031" Checking Bearing (2 Req.)
WIN5295
2.031" Carrier Shim Kit
WIN7165
Ring and Pinion Bolt Kit
WIN7340
2.031" Carrier Bearing
Aluminum Spools
(“Sprint”, Heavy-Duty).
Part No.
Description
WIN5034-11A
31-Spline Aluminum, 2.031" Bearing Dia., 5.75 lbs.
WIN5034-11UL
31-Spline Ultralight Aluminum, 2.031" Bearing Dia., 5.12 lbs.
CIRCLE 2021-22 815 TRACK
