Page 6 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

BRAKE

ALL42090
METRIC BRAKE ROTORS GRANADA BRAKE ROTOR
New stock replacement brake rotor includes new Rotor is often used when converting stock Mustang II
bearing races and studs for most intermediate sized brake assemblies to 11" O.D. x .875" brake rotors and
Metric chassis cars including Monte Carlo, Grand larger calipers. Rotors include new bearing races and
Prix, and Regal. Rotors measure 10.5" O.D. x 1.03" install directly to Mustang II spindles with stock bearings
thick. Bearings and seal not included. and seals (not included).
Note: Both rotors will work with Allstar Part No. Description
Performance metric spindles ALL56318 or ALL56319.
ALL42088 ALL42090 Rotor With 1/2"-20 Wheel Studs, 5 On 4-1/2" B.C.
ALL42091 Rotor With 1/2"-20 Wheel Studs, 5 On 4-3/4" B.C.
1979-81* ALL42089 Rotor With 5/8"-11 Wheel Studs, 5 On 5" B.C.
Related Parts
ALL72161 Spindle Lock Kit
ALL72165 Front Hub Dust Cap
ALL72308 Master Bearing And Seal Kit
ALL72164 ALL72126 Hub Seal
ALL72160
Part No. Description ALL72305 ALL72270 Inner Bearing
ALL42085 Rotor With 12mm-1.50 Studs, 5 On 4-3/4" B.C. ALL72280 Inner Bearing Timken
ALL42086 Rotor With 5/8-11 Wheel Studs, 5 On 5" B.C. ALL72277 Outer Bearing
Related Parts For 1979-81 Style Rotor ALL72281 Outer Bearing Timken
ALL72160 Spindle Lock Nut Kit
ALL72164 Front Hub Dust Cap
ALL72305 Master Bearing And Seal Kit ALL42092
ALL72128 Hub Seal MUSTANG II BRAKE ROTOR
ALL72275 Inner Bearing Convert stock Mustang II brake assemblies with
ALL72282 Inner Bearing Timken 9-1/4" diameter rotors to 5-lug rotors and retain the
ALL72277 Outer Bearing stock brakes. Rotors include 1/2"-20 wheel studs and
ALL72284 Outer Bearing Timken utilize the stock bearings and seals (not included).
* Outer bearing race has a 1.97" O.D. Part No. Description
ALL42092 Rotor with 5 on 4-1/2" B.C.
ALL72306 ALL42093 Rotor with 5 on 4-3/4" B.C.
Related Parts
ALL72161 Spindle Lock Kit
ALL72165 Front Hub Dust Cap
1982-88 † ALL72308 Master Bearing and Seal Kit
Part No. Description ALL72126 Hub Seal
ALL42087 Rotor With 12mm-1.50 Studs, 5 On 4-3/4" B.C. ALL72270 Inner Bearing
ALL42088 Rotor With 5/8"-11 Wheel Studs, 5 On 5" B.C. ALL72280 Inner Bearing Timken
Related Parts For 1982-88 Style Rotor ALL72277 Outer Bearing
ALL72160 Spindle Lock Nut Kit ALL72281 Outer Bearing Timken
ALL72164 Front Hub Dust Cap
ALL72306 Master Bearing And Seal Kit
ALL72128 Hub Seal GM REAR BRAKE ROTOR
ALL72275 Inner Bearing ALL42095
ALL72282 Inner Bearing Timken Hat style brake rotor with 5 on 4-3/4" pattern can be
ALL72278 Outer Bearing used with ALL42180 and ALL42181 7.5" metric caliper
ALL72283 Outer Bearing Timken brackets and stock type axles. 11-5/8" vented rotor is
† Outer bearing race has a 1.78" O.D. .790" thick and has a 2.800" I.D. center indexing hole to
work with most metric style axle flanges with a maximum
O.D. of 6".

The term “Metric Chassis” commonly refers to the intermediate line of GM LATE MODEL AND MODIFIED
cars built from 1978 through 1988 including the Chevrolet Monte Carlo and BRAKE ROTOR ALL42011
Malibu, Oldsmobile Cutlass, Buick Regal and the Pontiac Grand Prix. These
chassis are very similar but they also have some differences. One of the major Lightweight solid rotor for Late Models and
differences applies to the front steering spindles and brake rotors. There were Modifieds. Use anywhere reduction of un-sprung
three different brake rotors used and two different spindles. 1978 year vehicles weight is desirable. Rotor is scalloped to provide
used a spindle rotor combination that was a one-year production. 1979-88 maximum weight loss without compromising
vehicles used the same spindle but utilized two different brake rotors. These braking performance or rotor durability. Rotor
rotors appear very similar but the 1979-81 use a brake rotor with a larger outer is steel 8-bolt with a 7" bolt circle, 11.75" dia. and
bearing and race than the 1982-88 model years. These rotors may be inter- .250" thickness.
changed but will require the matching outer bearing for proper installation.

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