Page 398 - 2018 Racecar Engineering Hot Rod and Early Muscle Car Parts and Accessories Catalog

GM 8.5" GM 8.875"
• Housing, (Top) Oval Cover, 10 Holes, 11", • Housing, Oval Cover 10-7/8", 12 Holes
(Bottom) Irregular Cover, 10 Holes, 10-5/8" • 8.875" Diameter Ring Gear
• 8.50" Diameter Ring Gear • 1.625" Diameter Pinion, 30-Spline
• 1.626" Diameter Pinion, 30-Spline • 1965-72 Chevrolet/Chevelle/Chevy II/El Camino,
• 1970-76 Chevrolet, Chevelle, 1970-75 Chevy II, 1967-72 Camaro, 1970-72 GTO/Firebird/Nova
1970-81 Camaro/Firebird, 1972-81 Z-28, Trans Am, 1973-76 El Camino INSTALLATION KIT: RIC83-1019-1
INSTALLATION KIT: RIC83-1021-1 Part No. Ratio Teeth Part No. Ratio Teeth
Part No. Ratio Teeth RIC49-0095-1 ‡ 3.55 39-11 RIC69-0304-1 ‡ 4.10 41-10
RIC49-0017-1 3.08 40-13 RIC49-0039-1 ‡ 3.73 41-11 RIC69-0031-1 § 4.10 41-10
RIC49-0096-1 § 3.73 41-11
RIC49-0019-1 3.23 42-13
‡ Fits 3.07 to 3.73 Ratio carrier.
RIC49-0278-1 3.42 41-12
§ Fits 3.90 ratio and numerically higher carrier.
RIC49-0041-1 3.73 41-11
RIC69-0165-1 4.10 41-10 Corvette
Note: When replacing a stock 2.56 and numerically lower, the carrier must • Housing, Irregular 10-1/8" x 9-29/32", 12 Holes
be replaced with a carrier of 2.73 or higher. • 1.625" Diameter Pinion, 30-Spline
• 1963-79 Corvette
GM 8.5" “O” Axle Part No. Ratio Teeth
RIC49-0023-1 3.70 37-10
• Housing, Irregular Cover, 12 Holes, 10-5/8" x 11", 10 Bolts
• 8.5" Diameter Ring Gear Installation Kits Include:
• 1.626" Diameter Pinion, 27-Spline A Cover Gasket
• “O” Axle Only B Ring Gear Bolts And Washers
• 12-Bolt Cover, 10-Bolt Gear C Crush Sleeve
• 1968-70 Cutlass, 4-4-2
D Marking Compound And Brush
E Pinion And Carrier Bearings
Part No. Ratio Teeth
F Pinion Nut And Washer
RIC49-0049-1 3.42 41-12
G Pinion Seal
RIC49-0050-1 3.90 39-10 H Thread Locking Compound
I Silicone Sealer
J Pinion And Carrier Shims

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ishes, including: Polished (-P), Blue Anodized (-B), Chrome Plated (-C), Gold Anodized (-G), Black Anodized (-K), Red Anodized (-R), and Satin
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Part No. Description
Original Style
RMW1101 Small Block Chevy Except Center Bolt Style Covers
RMW1120 Small Block Chevy With Center Bolt Valve Covers
RMW1102 Big Block Chevy
RMW1103 Small Block Chrysler
RMW1104 Big Block Chrysler
RMW1105 Ford 289, 302, 351 Windsor
RMW1108 Ford 429, 460
RMW1109 Ford 360, 390, 428
RMW1110 Pontiac
RMW1113 Olds, 1965-Up
RMWA-200 Accessory 4-Hole Plug Wire Clamp, Two Per Pack
Vertical Style
RMW1101-90 Small Block Chevy (Except Center Bolt Valve Covers)
RMW1102-90 Big Block Chevy
RMW1105-90 Ford 289, 302, 351W

2018 HOT ROD AND EARLY MUSCLE 397