Page 143 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Performance Differentials
The High-Performance Series delivers superb weight transfer, with more torque delivered to the high traction wheel,
even when there is zero traction at the loose wheel.
The Pro Series offers ultimate Hi-Bias differential to deliver more torque, and traction and faster engagement, even
under changing load conditions.
Model Side Gear High Performance Pro Series
Application Rear Size Years Ratios Spline Part No. Part No.
Chrysler
8-1/4" & 8-3/8" Ring Gear 8-1/4"/8-3/8" 1966-96 2.71-Up 27 AUB542072 —
8-3/4" Ring Gear 8-3/4" 1957-74 All 30 — AUB542051
9-1/4" Ring Gear 9-1/4" 1984-Up 2.71-Up 31 AUB542070 ‡ —
Ford
7-1/2" Ring Gear, 10-Bolt Rear 7-1/2" 1978-Up All 28 AUB542023 —
8" Ring Gear 8" 1960-79 All 28 — AUB542059*
8.8" Ring Gear, 10-Bolt Rear 8.8" 1979-Up All 28 AUB542079 AUB542080*
8.8" Ring Gear, Trucks & Hi-Perf. Pass 8.8" 1983-Up All 31 AUB542025 AUB542054*
9" Ring Gear, Cars & Trucks 9" 1957-87 All 28 — AUB542043*
9" Ring Gear, Cars & Trucks 9" 1957-87 All 31 — AUB542036*
General Motors
7-1/2" & 7-5/8" Ring Gear, 10-Bolt Rear 7-1/2"/7-5/8" 1988-Up 3.23-Up 28 AUB542040 —
7-1/2" & 7-5/8" Ring Gear, 10-Bolt Rear 7-1/2"/7-5/8" 1976-88 3.23-Up 26 AUB542057 AUB542044
8.2" Ring Gear, 10-Bolt “C”-Clip Rear 8.2" 1964-72 3.08-Up 28 AUB5420108 AUB542061 Friction
8.2" Ring Gear, Buick/Olds/Pontiac 8.2" 1964-71 3.36"-Up 28 AUB5420113 AUB542060 Additive
8.2"/8.4" Ring Gear, 3-Series Case 8.2"/8.4" 1955-64 3.70-Down 17 — AUB5420100
8.5" & 8.6" Ring Gear, 10-Bolt Rear 8.5"/8.6" 1971-88 2.73-Up 28 AUB542018 AUB542050 AUB504102
8.5" & 8.6" Ring Gear, 10-Bolt Rear 8.5"/8.6" 1989-98 2.73-Up 30 AUB542022 — Recommended for Auburn Gear
8.5" & 8.6" Ring Gear, 10-Bolt Rear 8.5"/8.6" 1999-Up 2.73-Up 30 AUB542097 —
8-7/8" Ring Gear, 12-Bolt, 4-Series Case 8-7/8" 1964-72 4.10-Up 30 AUB5420104 AUB542031 High-Performance and Pro Series
8-7/8" Ring Gear, 12-Bolt, 3-Series Case 8-7/8" 1964-72 3.07-3.73 30 AUB5420106 AUB542033 differentials. 6-oz. bottle.
*All Ford 8", 8.8" and 9" Pro Series models must use Ford D802-4216-B ring gear bolts or equivalent.
‡Accepts tone ring for ABS applications.

CM, CB, CW, & CG Series General Purpose/Economy 2-Piece Rod Ends

Two-piece rod ends combine a protective-coated, low-carbon steel body with an alloy steel heat-treated and hard chrome-plated ball.
Bore x Thread Male Part No. Ult. Radial Female Part No. Ult. Radial
Size Reference RH LH Static Load RH LH Static Load
3/16" x 10-32 AURCM-3 AURCB-3 1,204 lbs. AURCW-3 — 2,079 lbs.
1/4" x 1/4"-28 AURCM-4 AURCB-4 2,212 lbs. AURCW-4 AURCG-4 3,208 lbs.
5/16" x 5/16"-24 AURCM-5 AURCB-5 3,577 lbs. AURCW-5 — 3,824 lbs.
3/8" x 3/8"-24 AURCM-6 AURCB-6 5,068 lbs. AURCW-6 AURCG-6 5,087 lbs.
7/16" x 7/16"-20 AURCM-7 AURCB-7 6,345 lbs. AURCW-7 — 6,385 lbs.
1/2" x 1/2"-20 AURCM-8 AURCB-8 8,338 lbs. AURCW-8 AURCG-8 9,096 lbs.
5/8" x 5/8"-18 AURCM-10 AURCB-10 9,713 lbs. AURCW-10 AURCG-10 9,713 lbs.
3/4" x 3/4"-16 AURCM-12 AURCB-12 14,207 lbs. AURCW-12 AURCG-12 14,207 lbs.
VCM, VCB, VCW, & VCG Series General Purpose/Economy 2-Piece Rod Ends
Two-piece rods ends are constructed using a protective-coated, low-carbon steel body with an alloy steel heat-treated, hard chrome-plated ball. Rod ends are
then fitted with a steel-backed, PTFE-composite bushing.
Bore x Thread Male Part No. Ult. Radial Female Part No. Ult. Radial
Size Reference RH LH Static Load RH LH Static Load
5/16" x 5/16"-24 AURVCM-5 — 2,623 lbs. AURVCW-5 — 2,623 lbs.
3/8" x 3/8"-24 AURVCM-6 AURVCB-6 3,643 lbs. AURVCW-6 — 3,643 lbs.
7/16" x 7/16"-20 — — — AURVCW-7 — 4,464 lbs.
1/2" x 1/2"-20 AURVCM-8 AURVCB-8 7,229 lbs. AURVCW-8 — 7,229 lbs.
5/8" x 5/8"-18 AURVCM-10 AURVCB-10 8,204 lbs. AURVCW-10 AURVCG-10 8,204 lbs.
3/4" x 3/4"-16 AURVCM-12 AURVCB-12 12,280 lbs. AURVCW-12 — 12,280 lbs.

VCAM & VCAB Series Economy Male 2-Piece Rod Ends
Economy rod ends utilize a two-piece design, combining a heat-treated alloy steel body with a heat-treated, hard chrome-plated alloy
steel ball. Rod ends include a steel-backed, PTFE composite bushing.
Bore x Thread Male Part No. Ult. Radial
Size Reference RH LH Static Load
5/8" x 5/8"-18 AURVCAM-10 AURVCAB-10 14,755 lbs.
3/4" x 3/4"-16 AURVCAM-12 — 21,150 lbs.

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