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Concept10.5Clutches NEW! Modular, dual-disc Con-
a poly-coil sprung hub top
disc that provides damp-
ening upon engagement,
easing pedal effort, while
eliminating harsh starts
and transmission fatigue.
Precision-machined billet modular stands eliminate distortion, resulting in a stable clutch mounting platform.
GM LS Complete Clutch Packages NEW! A complete clutch
package engineered
exclusively for
street-driven GM
LS applications
capable of with-
standing up to 500
horsepower. Offer-
ing high clamping
load with excellent
pedal feel, package
is complete with
pressure plate, and
helix center hub organic clutch disc.
Part No.
Chevy
RAM50-2125
RAM50-2127
Chrysler
RAM50-2300 RAM50-2305 RAM50-2355
Ford
RAM50-2257 RAM50-2259 RAM50-2220
Application
Chevy, 168T, 1-1/8"-26 Spline Chevy, 153T, 1-1/8"-26 Spline
Chrysler, 130T, 1"-23 Spline Chrysler, 130T, 1-1/8"-26 Spline Chrysler, 143T, 1-1/8"-26 Spline
Ford, 157T, 1-1/16"-10 Spline Ford, 157T, 1-1/8"-26 Spline Ford, 164T, 1-1/8"-26 Spline
Part No.
RAM25-831 RAM25-832
Application
GM LS, 6-Bolt Crank, 168 Tooth GM LS, 8-Bolt Crank, 168 Tooth
Pinion Setting Tool Quickly install aftermarket gear sets with checking dis-
tance marked on the pinion head.
RAT10003
Ring And Pinion Installation Components Ratech offers a complete line of differential service
parts. Whether installing a new set of gears or making a repair, Ratech has just what is needed.
Installation Kits
Basic Kit: Pinion shims, crush sleeve,
pinion seal, cover gasket
Installation Kit: Pinion shims, carrier
shims, crush sleeve, pinion seal, pinion nut, ring gear bolts, cover gasket
Bearing Kit: Pinion and carrier bearings
Complete Set: All small parts and bearings to complete a ring and pinion installation.
Part No.
RAT10003 RAT10004 RAT10005 RAT10006
Description
GM 7.5"/7.625" 10-Bolt
GM 8.5" 10-Bolt
GM 8.875" 12-Bolt, Except Trucks Ford 8.8"
Solid Pinion Bearing Spacers Reusable spacers replace the stock crush sleeve and eliminate pinion bearing failure.
Available with or without shim kits.
Basic Inst. Kit
RAT408K
RAT408K
—
RAT410K
RAT415K
—
RAT406K
RAT406K
RAT406K
RAT406K
RAT405K
—
—
Installation Bearing Kit Kit
RAT108K —
RAT108K RAT208B
RAT119K RAT208B
RAT110K RAT204B
RAT115K RAT205B
— RAT205B
RAT106K —
RAT106K —
RAT106K —
RAT106K —
RAT105K RAT205B
— —
— —
RAT124K —
Description
Chrysler 8.75" (Late) Ford 8.8" and 9" Ford 9", 35-Spline GM 12-Bolt Auto
Pinion Bearing Spacer Only
— RAT4104 — —
Pinion Bearing Spacer And Shim Pack
RAT4103 RAT4105 RAT4113 RAT4101 —
Housing
GM 7.5" (1980-96)
GM 7.5" (1977-81)
GM 8.2" (1964-71)
GM 8.5" 10-Bolt Passenger
GM 8.875" 12-Bolt Passenger
Corvette (1963-79)
Ford 9" Open 2.891" Carrier Bearings LM 102949
Ford 9" Open 3.062" Carrier Bearings LM 603049
Ford 9" Open 2.891" Carrier Bearings LM 501349
Ford 9" 3.250" Carrier Bearings
Ford 8.8" Auto
Ford 8"
Chrysler 8.75" Casting #489
Complete Kit
RAT308TK
RAT308K
—
RAT310K
RAT315K
—
RAT306K
—
—
—
RAT305K
RAT334K
RAT302K
RAT324K
GM 10-Bolt 8.5" RAT4109
Ford 9" Pinion Pilot Bearing
Part No.
RAT9015 RAT9015-A
Description
Pinion Pilot Bearing Pinion Pilot Bearing Retainer
Dana 60
RAT424K
Ford 9" Reusable
Differential Housing Gasket
RAT5107R
2021 HOT ROD AND EARLY MUSCLE
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