TRANSMISSION & DRIVETRAIN 250 WARNING: For Proposition 65 information, see p. 183 Some parts are not legal for sale or use in California or other states with similar laws/regulations—see p. 183 for details. Yukon Gear & Axle Ring and Pinion Sets Yukon ring and pinion sets are built to withstand the harshest operating conditions. Starting with premium 8620 triple alloy steel blanks, the gears are forged, precisely heat-treated, and machined using advanced gear-cutting technology. Finally, the gears go through a computer-controlled lapping process to create a micro-fi ne fi nish for smooth, quiet operation. More applications available—call us or visit SummitRacing.com for details. Price/Set YGA-24157 GM 10-bolt 55T, 1955-64 passenger truck, 8.5"/8.6" ring, 1.625" dia., 30-spline, 3.42 ratio ............................................. $387.99 YGA-24158 GM 10-bolt, 8.5"/8.6" ring, 1.625" dia., 30-spline, 3.73 ratio ............................................. $399.99 YGA-24160 GM 10-bolt, 8.5"/8.6" ring, 1.625" dia., 30-spline, 4.11 ratio ... $477.99 YGA-24161 GM 10-bolt, 8.5"/8.6" ring, 1.625" dia., 30-spline, 4.56 ratio ... $387.99 YGA-24144 GM 10-bolt, 9.375" ring, 1.438" dia., 17-spline, 3.38 ratio ...... $622.99 YGA-24123† GM 12-bolt car, 8.875" ring, 1.625" dia., 30-spline, 3.73 ratio ............................................................... $436.99 YGA-24466 GM 14-bolt, 10.5" ring, 1.750" dia., 30-spline, 3.42 ratio ........ $569.89 YGA-24139* GM 14-bolt, 10.5" ring, 1.750" dia., 30-spline, 5.13 ratio ........ $480.99 YGA-24332‡ Ford 10.5" ring, 1.940" dia., 31-spline, 3.73 ratio .................... $542.99 YGA-24033 Dana 44, 8.5" ring, 1.375" dia., 26-spline, 4.11 ratio ............... $399.99 YGA-24036 Dana 44, 8.5" ring, 1.375" dia., 26-spline, 4.56 ratio ............... $454.99 YGA-24441 AAM 11.5" ring, 2.000" dia., 30-spline, 3.73 ratio ................... $876.99 *Thick ring gear. Fits 4.11 and lower carrier. †3-series 3.07-3.73 carrier. ‡1999-2010 applications only. Ring and Pinion Installation Kits Each installation kit comes complete with Timken bearings and races, pinion seal, crush sleeve, oil baffl es and slingers, shims, marking compound, brush, and gasket. Visit SummitRacing.com or call us to get yours. Ring and pinion installation kits, each ....................................................from $143.99 Differential Case Reference Guide for Ring and Pinion Sets Ford 8" GM 10-Bolt 7.5"/7.625" ring gear GM 10-Bolt or “B”/“P” Axles 8.2" ring gear GM 10-Bolt 8.5"/8.6" ring gear GM 12-Bolt Truck GM 12-Bolt Car “C” Axle GM 14-Bolt 10.5" ring gear GM 14-Bolt 9.5" ring gear Ford 7.5" Ford 8.8" Ford 9" Chrysler 8.25" Chrysler 8.75" 742 & 489 Casting Dana 44, 50, 60, 70U Chrysler 12-Bolt 9.25" ring gear Richmond Gear Ring and Pinion Sets The superior quality of Richmond Gear’s ring and pinion sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. For the demands of your street/strip ride, choose Street Gear sets. Pro Gear sets are designed for drag race use only, where hard launches and severe heat cycling occurs. They’re made from a softer, more malleable alloy to resist breakage under harsh racing conditions. For more installation kits, see page 249, visit SummitRacing.com, or ask your sales rep. Chrysler 8.75", Casting 742, 1.75" diameter pinion Use installation kit RMG-8310371 RMG-6900451 4.10 .............. $484.99 RMG-6900471 4.56 .............. $417.99 Chrysler 8.75", Casting 489, 1.875" diameter pinion Use installation kit RMG-8310311 RMG-6903711 3.55 ............. $502.99 RMG-6900581 3.91 ............. $435.99 RMG-6900591 4.10 ............. $588.99 Dana 60, 9.75", 1.626" diameter, 29-spline RMG-4901291* 3.54 ............. $725.99 RMG-6900531+ 4.56 ............. $529.99 RMG-6900541+ 4.88 ............. $534.99 *Fits 3.07-4.10 ratio carrier. +Fits 4.56 and higher ratio carrier. Drag Race Pro Gear Sets GM 12-Bolt Car “C” Axle, 8.875", 1.625" diameter pinion Use installation kit RMG-8310191 RMG-79-0099-1 4.11 ............ $668.99 RMG-79-0074-1 4.33 ............ $669.99 RMG-79-0064-1 4.88 ............ $620.99 RMG-79-0027-1 5.14 ............ $621.99 Ford 9" 1.513" diameter, 35-spline pinion (unless noted) RMG-79-0045-1* 4.11 ............ $907.99 RMG-79-0079-1* 4.29 ............ $898.99 RMG-79-0060-1* 4.86 ............ $898.99 RMG-79-0066-1+ 4.86 ............ $898.99 *Special pinion support required, sold separately. +28-spline. Dana 60, 9.75", 1.625" diameter pinion Use installation kit RMG-8310341 RMG-79-0011-1 4.10 ............ $748.99 RMG-79-0068-1 4.88 ............ $748.99 RMG-7900131 5.38 ............ $748.99 Street Gear Sets GM 10-Bolt, 7.5"/7.625", 1.438" diameter, 27-spline pinion Use installation kit RMG-8310441 RMG-4900461 3.73 ..............$642.99 RMG-6903221 4.10 ..............$557.99 Fits 3.23 and higher carrier. GM 10-Bolt, 8.2", 1.438" diameter, 25-spline pinion Use installation kit RMG-8310221 RMG-4900111 3.08 ..............$541.99 RMG-49-0013-1 3.36 ..............$609.99 RMG-4900151 3.55 ..............$523.99 RMG-49-0112-1 3.73 ..............$526.99 RMG-6901591 4.11 ..............$557.99 Fit 3.08 and higher carrier. GM 10-Bolt, 8.2", 1.438" diameter, 1955-63 front load, 17-spline pinion RMG-4900521 3.55 ............. $655.99 Fits 3.08-3.70 carrier. GM 10-Bolt, 8.5"/8.6", 1.625" diameter Use installation kit RMG-8310211 RMG-4900191 3.23 ............. $476.99 RMG-4902781 3.42 ............. $518.99 RMG-4900411 3.73 ............. $486.99 RMG-4900341 3.90 ............. $512.99 RMG-6901651 4.10 ............. $549.99 RMG-6901671 4.56 ............. $523.99 RMG-6901691 4.88 ............. $523.99 RMG-6901711 5.13 ............. $485.99 Fit 2.73 and higher carrier. GM 10-Bolt “O” Axle, 8.5", 1.626" diameter, 27-spline RMG-4900491 3.42, thick ring gear ...... $536.99 Fits 2.93 to 3.23 ratio carrier. GM 12-Bolt Truck, 8.875", 1.438" diameter pinion Use installation kit RMG-8310181 RMG-4900681* 3.08 ............. $474.99 RMG-4902801+ 3.73 ............. $462.99 RMG-6902041+ 4.10 ............. $479.99 RMG-6903501* 4.11 ............. $502.99 *Fits 3.42 and lower carrier. +Fits 3.73 and higher carrier. GM 12-Bolt Car “C” Axle, 8.875", 1.625" diameter pinion Use installation kit RMG-8310191 RMG-4900941* 3.08 ............. $495.99 RMG-4901131* 3.42 ............. $455.99 RMG-4900951* 3.55 ............. $478.99 RMG-4900391* 3.73 ............. $455.99 RMG-4900961+ 3.73 ............. $516.99 RMG-4900401* 3.90 ............. $616.99 RMG-6903041* 4.10 ............. $587.99 GM 12-Bolt Car “C” Axle, 8.875", 1.625" diameter pinion (continued) RMG-6903061* 4.56 ..............$666.99 RMG-6900321+ 4.56 ..............$645.99 RMG-6900331+ 4.88 ..............$393.99 *Fits 3.07-3.73 carrier. +Fits 3.90 and higher carrier. Ford 8.8" (excludes Super 8.8"), 1.626" diameter pinion Use installation kit RMG-8310431 RMG-4901041 3.73 ..............$443.99 RMG-6903101 4.10 ..............$437.99 RMG-6903761 4.33 ..............$572.99 RMG-6903121* 4.56 ..............$531.99 RMG-6903821* 4.88 ..............$543.99 *Requires special cross pin. Ford Super 8.8", 2.01" diameter, 30-spline RMG-49-0213-1 4.09 ..............$493.99 Fits 3.31 or higher carrier. Ford 9", 1.313" diameter pinion Use installation kit RMG-8310111 (28-spline) or RMG-8310131 (31-spline) RMG-4900271 3.50 ..............$499.99 RMG-6901951 3.55 ..............$477.99 RMG-6903611 3.70 ..............$486.99 RMG-6901771 3.89 ..............$474.99 RMG-6901791 4.11 ..............$486.99 RMG-6901611 4.33 ..............$536.99 RMG-6901851 4.56 ..............$468.99 RMG-6900671 4.86 ..............$509.99 RMG-6900681 5.14 ..............$505.99 Summit Racing™ Ring and Pinion Gear Sets Replace your stock gears with a Summit ring and pinion gear set. These high-quality steel sets are manufactured to strict standards—you’ll get a quality gear set without breaking the bank. Summit ring and pinion gear sets..........from $191.99 *Fits 3.23 and higher carrier. +Fits 3.08 and lower carrier. ^Fits 3.07-3.73 carrier. †Fits 3.90 and higher carrier. ‡Excludes Super 8.8". GM 10-Bolt, 7.5"/7.625", 1.438" diameter, 27-spline pinion SUM-741013* 3.42 SUM-741014+ 3.42 SUM-741011* 3.73 SUM-741012+ 3.73 SUM-741015* 4.10 SUM-741016+ 4.10 GM 10-Bolt, 8.2", 1.438" diameter, 25-spline pinion SUM-741021 3.73 SUM-741022 4.11 GM 10-Bolt, 8.5"/8.6", 1.625" diameter pinion SUM-741002 3.42 SUM-741001 3.73 GM 10-Bolt, 8.5"/8.6", (cont.) 1.625" diameter pinion SUM-741003 3.90 SUM-741004 4.10 SUM-741005 4.56 Fit 2.73 and higher carrier. GM 12-Bolt Car, 8.875", 1.625" diameter pinion SUM-741201^ 3.42 SUM-741202^ 3.55 SUM-741203^ 3.73 SUM-741204† 3.73 SUM-741206^ 4.10 Ford 8", 1.188" diameter pinion SUM-740801 3.55 SUM-740802 3.80 Ford 8.8", 1.626" diameter pinion SUM-748801‡ 3.73 SUM-748802‡ 4.10 Ford 9", 1.313" diameter pinion SUM-740901 3.50 SUM-740902 3.89 SUM-740903 4.11 SUM-740904 4.33 SUM-740905 4.56 SUM-740906 4.86 SUM-740907 5.14 SUM-740909 5.43
Big Book_Jan-Feb-Mar_26
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