Part Info. In Stock. Search: Ring Gear And Pinion. all model 44 axles $ 625.00: oem: 802568 drive gear and pinion, 43-8 tooth 5.38:1 ratio, model 44 axle, 10 bolts. Spicer gearing offers the easiest possible set-up, a quieter ride and strength that can't be beaten for genuine Dana axles. July 1, 2022; D&C Designs Lucid VSL Offroad Lighting for Jeep Wrangler JL & Gladiator JT. 5.38. . Forged 8620 material; Heat Treated for Optimal Durability and High Shock Loads; All gear sets use the 4.10 and ower ratio carriers; Ring Gear. Find Ring and Pinion Gears 3.42:1 Ring and Pinion Ratio and get Free Shipping on Orders Over $99 at Summit Racing! Richmond Gear 12BC342 Excel Ring/Pinion Gear Set (Gm 12 Bolt 3.42) 2. $85.00. Order above high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $63.95 plus S&H, a $69.00 value. Only 6 left in stock - order soon. Onsnail Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L Serie Lawn Tractors Replaces GX20052BLE GX20052 GX20053 GX20054 GX21994 L110 L111 L118 L120 L130. . HOURS: Mon-Fri 10am - 4pm EST I have a 2007 Dodge Ram with 105,000 miles on it I called Randy's Ring and Pinion to order the third replacement gears Ram 1500 2014, Ring and Pinion Gear Set by Engine Works Following material removal rewash in solvent and air dry Following material removal rewash in solvent and air dry. For example, a 4 . Top Jeep Articles. (1) EXCEL from Richmond 9.5-Inch Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio (07-13 Silverado 1500) $256.43. Kits are complete with Dana 30 and Dana 44 ring gears, pinion gears and all the hardware needed to complete the job. Pinion, 30 Spline, 8.875 in. JEGS offers the best quality ring and pinion gears for Ford, GM (Chevy), Mopar, and custom applications from some of the top manufacturers such as Richmond Gear, Motive Gear, Yukon Gear, JEGS, and more.Each gear set is backed by industry-leading warranties . On the road a bigger tire will take more rotations to get up to speed (slower) but require a lower engine rpm to maintain a highway speed. Any vehicle with rear-wheel drive, or even older cars, come equipped with ring and pinion gears Any vehicle with rear-wheel drive, or even older cars, come equipped with ring and pinion gears. (9) Nitro Gear & Axle Dana 30 Front Axle/44 Rear Axle Ring and Pinion Gear Kit; 4.56 Gear Ratio. If you have installed larger tires, they rob performance, and you would want to go to a lower ratio like a 4.56 or 4.88 depending upon your tire diameter. Requires Currie or other aftermarket gear case, pinion support and housings with clearance for the larger diameter ring gear. Description: Original Factory gear for GM 10.5" 14T in a 4.10 ratio. [ Ring Gear Teeth / Pinion Gear Teeth ] = [ 41 / 11 ] = [ 3.73 ] Popular OEM and Aftermarket Gear Ratios When you are looking at Dana 30 ring and pinion sets, for example, remember that Old Gear Ratio New Tire Size Old Tire Size = New . YG F9.75-355-11 ( 24594 ) 09F457. Made from high quality 8620 forgings and Gleason gear cutting technology, these gears are made to last. Only 5 left in stock - order soon. tooth, 5.38:1 ratio, model 27 axle, ring gear, 7 3/16" o.d. $242.99. Gear Sets. $125.00. August 27, 2015 ; Tweet; Divide the Ring Gear tooth count by the Pinion Tooth count to get your ratio. ExCel XL-1013-1 Ring and Pinion Install Kit (Ford 9", 1 Pack. DANA 200MM (35) JEEP JL REAR RATIO RING AND PINION REVOLUTION GEAR. view. . CLICK FOR MORE INFO. ExCel XL-1013-1 Ring and Pinion Install Kit (Ford 9", 1 Pack. Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set. Ring and Pinion Gear Ratio Calculation Chart. For Example: 235/45ZR-1 (235 x 0.45 x 2 25.4) + 17 = 25.327". 6 offers from $163.99. . 3.700 Nissan Hardbody Ring and Pinion Gears by NISMO, Rear H233, 1986-1989 (D21) Fits years 1986, 1987, 1988, 19893.700 H233 Rear Ring and Pinion Gears .. $499.95. Search: Ring Gear And Pinion. Porsche Ring & Pinion Gear - 924s & 944 This is the distance from the back face of the ring gear to the pinion center-line Dana 30 6 items; Dana 30 (HP . Locker/Posi/Spool Install (Standard): 2 Hours. Richmond Gear 12BC342 Excel Ring/Pinion Gear Set (Gm 12 Bolt 3.42) 2. Description: US Gear Ring and Pinion # 07-990411 | Ford 9" PRO Big Pinion | 4.11 Ratio MADE IN THE USA! The result is your gear ratio. FD GEAR/SPOOL FOR XP 1000 TRANS. $125.00. 40 teeth on ring gear. RING & PINION RD/RP23-160 3.91 RATIO Pinion Gear Tooth Quantity: 11 Pinion Shaft Diameter: 2.5 Inch Pinion Spline Count: 50 Ring & Pinion Gear Ratio: 3.91 Ring Gear Tooth Quantity: 43. FREE Shipping. When choosing a ring and pinion ratio, it's important to know the camshaft RPM range. The ratio itself refers to how many times the pinion gear rotates to Larger tires take more force to turn and require larger gears in a higher numerical ratio to transfer power properly. This 3.73:1 Ratio Ford Racing Ring and Pinion Gear set will fit all 2015-2022 Mustangs equipped with an 8.8" Independent Rear Suspension (IRS), including V6, EcoBoost and GT models. Call 800.979.0122, 7am-10pm, everyday. . The ratio tells us how many times the driveshaft rotates for every full rotation of the wheel. Part Number: SPZ-36212. $215.99. 6 offers from $163.99. These 9" & 9-1/2" Ford gears are built specifically for ultra high horsepower drag racing applications from 9310 material. 15T PINION SHAFT FOR 2014+ POLARIS XP 1000. Motive Gear 9.76-Inch Rear Axle Ring and Pinion Gear Kit; 3.23 Gear Ratio (14-18 Silverado 1500) $449.66. view. Porsche Ring & Pinion Gear - 924s & 944 Front Diff Differential Ring Gear Pinion From 2002 Yamaha 660 Grizzly Differential Gear Oil (Front) 1 The 4- and 6-cyl housings can be distinguised by the number and style of reinforcing ribs present If using shims: Adding shims on the ring-gear's smooth side of the carrier moves the ring-gear closer to the pinion, causing the teeth to mesh tighter . The ratio of a ring and pinion gear set is simply the number of ring gear teeth divided by the number of pinion gear teeth. 41 teeth on ring gear. The ring gear back face becomes thicker while the pinion head is larger when compared to the 4.56 gear set. Dana 44 Advantek (M210) - 5.38 Ratio R&P: SG D44-538JLR: Ring & Pinion Gears for use with Dana 44 Advantek M220 Jeep JL / JT - New Ford Bronco / Ranger Rear: Sierra Gear & Axle Part # Dana 44 Advantek (M220) - 4.56 Ratio R&P: SG D44-456JL: Dana 44 Advantek (M220) - 4.88 Ratio R&P: Select Ratio to see: Pinion Tooth Count: Select Ratio to see: Shaft Diameter: 1.188" Outside Diameter: 8" Spline Count . Ratio. (07-18 Jeep Wrangler JK Rubicon) $ 514.99. SAME DAY SHIPPING (if ordered before 2pm EST) Lightning Series is an option that can be selected below, This option can increase the shipping time by up to two weeks! 11 offers from $148.46. . Final Gear Ratio 4. HOURS: Mon-Fri 10am - 4pm EST I have a 2007 Dodge Ram with 105,000 miles on it I called Randy's Ring and Pinion to order the third replacement gears Ram 1500 2014, Ring and Pinion Gear Set by Engine Works Following material removal rewash in solvent and air dry Following material removal rewash in solvent and air dry. Search: Ring Gear And Pinion. Part Number: CWA-4864853. $238.99. These competitively priced OEM ring and pinion gear sets are manufactured in a variety of customer specified tolerances and ratios for many types of applications.. The first speed value returned is for the values you have . $275.00. FREE Shipping. Part Info. Only 4 left in stock - order soon. With ratios ranging from 4.11 to 5.13, you can fine tune your needs depending on the new tire size or driving conditions. Description: Kit Includes: Yukon or Nitro Spool . Axle Gear Ratio. Onsnail Steering Sector Pinion Gear Rebuild Kit Replacement for John Deere L Serie Lawn Tractors Replaces GX20052BLE GX20052 GX20053 GX20054 GX21994 L110 L111 L118 L120 L130. You can do this by multiplying by the gear ratio. Check here. GM AXLES- Ring and Pinion Gear Sets: GM '55 Passenger: Sierra Gear & Axle Part # GM '55 Passenger - 3.08 Ratio R&P: SG GM55P-308: GM '55 Passenger - 3.70 Ratio R&P This type of ratio is referred to as non-hunting because any given pinion tooth always contacts the same three-ring gear teeth per revolution. Transmission Ratio 3. And here's a formula that you can use to calculate your vehicle's rear axle gear ratio: RING GEAR TOOTH COUNT . US Gear, a brand of AxleTech International, manufactures high performance ring and pinion gears in Chicago, Illinois. The gear ratio of the axle gear set determines the torque multiplication delivered by the engine and transmission, and is calculated by diving the number of gear teeth on the ring by the number of teeth on the pinion. Here's a formula you can use to calculate your vehicle's tire diameter: (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. OEM gears are recommended for quiet applications where noise may be an issue. Porsche Ring & Pinion Gear - 924s & 944 This is the distance from the back face of the ring gear to the pinion center-line Dana 30 6 items; Dana 30 (HP . ZG GM8.5-342 ( 36213 ) 10-inch Pro gear sets are manufactured from 9310 steel and feature a larger diameter ring gear and 35-spline pinion for extreme off-road and drag racing applications! Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. US Gear Ring and Pinion # 07-910411HD | Ford 10" PRO Dual Bolt . This calculator is designed to give the potential speed values of a vehicle, based on the RPM of the engine, the ring gear and pinion gear ration, the final transmission gear ration (usually 1.00) and the tire diameter, ground to top of tire as mounted. For example, if Finished 9.75-Inch O.D. Changing to a numerically higher gear ratio, as calculated below, will correct these problems. Ford 9.75 Inch 3.73-4.88 Ratio Gear Set Revolution Gear and Axle. fc-170 . Find Ring and Pinion Gears 3.23:1 Ring and Pinion Ratio and get Free Shipping on Orders Over $99 at Summit Racing! [ (New Tire Size / Original Tire Size) x Original Gear Ratio ] = [ (37" / 31") x 3.73 ] = [ 4.452 ] = [ 4.30 or 4.56 ] Popular OEM and Aftermarket Gear Ratios Free shipping when your order includes this part.

T - Denotes a Thick* gear, used to circumvent the purchase of a new carrier. Gear Ratios Changing your ring and pinion ratio is a way to maintain the factory efficiency of your vehicle even after you change the tires. This item: GM 8.5" 10-Bolt Ring & Pinion Gears - 3.42 Ratio. $81.45. 2.73 Ratio Performance Differential Ring and Pinion for 8.5 (Inch) (10 Bolt) Manufactured by Motive Gear. 4.30 and down (numerically) are standard .

Divide the ring gear teeth number by the number of teeth on the pinion. Ring and Pinion Ratio Change 4WD: 5-7 Hours. Speed Potential Calculator for Ring Gear and Pinion Changes February 4, 2015 Roadkill Customs Technical Info This calculator is designed to give the potential speed values of a vehicle, based on the RPM of the engine, the ring gear and pinion gear ratio, the final transmission gear ratio and the tire diameter, ground to top of tire as mounted . #21. Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! Quality guaranteed performance. All Revolution Ring and Pinion sets are backed by an industry leading 2 Year Warranty against defects. Only 6 left in stock - order soon. (800)537-8690 Request Info Enterprise LKQ Heavy Truck - Goodys Toledo OH. Ships Today. (601)939-3000 Request Info Enterprise LKQ Plunks Truck Parts And Equipment - Jackson Jackson MS. $220.00. The 9310 alloy and heat treat are ideally suited to absorb high impact shock loads. Technically speaking, this number is the ratio between the number of teeth on the driven gear or ring and the number of teeth on the drive gear or pinion. DANA 30 JEEP JK REVERSE 4.10-5.38. Revolution Gear & Axle Dana 44 Front Axle/44 Rear Axle Ring and Pinion Gear Kit with Master Overhaul Kit; 5.38 Gear Ratio. 1.0 out of 5 stars. Ring Gear Diameter: 8.5 (Inch) Ring Gear Material: 8620 Steel. Ford 8 Inch Ring and Pinion Gears made by Speedway Motors, for as low as $198.61. Registered Dana Spicer 2018737 DANA 44 GEARS 4 Dana Spicer 2018737 DANA 44 GEARS 4. In Stock. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. Porsche Ring & Pinion Gear - 924s & 944 Front Diff Differential Ring Gear Pinion From 2002 Yamaha 660 Grizzly Differential Gear Oil (Front) 1 The 4- and 6-cyl housings can be distinguised by the number and style of reinforcing ribs present If using shims: Adding shims on the ring-gear's smooth side of the carrier moves the ring-gear closer to the pinion, causing the teeth to mesh tighter . Price. For instance, if both the engine and transmission deliver up to 100 ft./lbs. (88) Get Results Pinion Spline Count Ring Gear Rotation Ring Gear Diameter (in.) 1. Get it as soon as Thursday, Jun 23 FREE Shipping on orders over $25 shipped by Amazon. view. Pinion Shaft Diameter (in.) If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio . Think about it this way if you're running a 3.73 gear, the pinion gear rotates 3.73 times to turn the ring gear one full rotation. Dana design, engineering, testing, and manufacturing processes all work together in Spicer ring and pinion gearing to ensure performance that non-genuine parts simply cannot deliver. Genuine Dana Spicer Parts ring and pinion gear sets for Dana 30, Dana 35, Dana 44, Dana Super 44, Dana 50, Dana 60, Dana 70, Dana 80 Ford, Dodge, Chevy, GMC, Jeep, IH, in 354, 373, 410, 456, 488, 513, 586, 617 and 717 gear ratio. Gear sets for Dana 60 series are manufactured from 8620 steel and feature a 29-spline pinion for extreme off-road applications! Tags: Driveline. Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! We stock a wide range of R&P sets and ratios for VW Type 1 / Type 2 / 002, Mendeola, Albins, Weddle and PBS. 100 x 4.12. Not Yet Reviewed. 5.43 RING & PINION SET FOR MD5 TRANS. Click on Calculate for results. Ships In a Few Days. (3.73 and numerically lower gears/ 3.91 and numerically . Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Based on the larger pinion, this is a stronger gear set compared to the 4.56:1-ratio gears. SAME DAY SHIPPING (if ordered before 2pm EST) 09F457 - 9" Ford 4.57 Pro/Street Ring & Pinion -- US Gear. Reverse gears have ring gear teeth that curve to the left and a pinion that intersects the ring gear above the axle centerline. x 3/4" thick, pinion gear 8 1/4" oal, 8 bolts spicer, ford brand. A 2.73:1-ratio gear set is illustrated here. Pinion bearing preload usually provides enough resistance for a good pattern, but additional resistance can be added by wrapping a shop towel around the yoke and pulling the two ends tight Front Axle Full line of popular performance & racing gears The Ring & Pinion Gear Sets determine your Mustang's final drive ratio 70 ratio Ring and pinion gear set for Ford 9 . Ring and Pinion Gears High performance ring and pinion gears are a great way to add performance to your vehicle and fit your requirements. . Registered Dana Spicer 2018737 DANA 44 GEARS 4 Dana Spicer 2018737 DANA 44 GEARS 4. Ring and pinion gears for the front and rear end of your vehicle come in a selection of gear ratios that vary how much torque is applied to the wheels of your vehicle. In the case of the Dana 44 the break occurs between gear ratios 3.73 & 3.91. drive gear and pinion, 39-8 tooth, 4.88:1 ratio, model 23 & 25 axle, ring gear, 7 3/4" o.d. Overview. Ships from and sold by Quick Performance Racing. This pinion has an outside diameter of 5.528 inches. $81.45. $112.00. Warranty Period: 2 Years or 100,000 Miles. But before you get too excited about scoring a Postal Jeep 44 or even spend much energy . Description. Revolution Gear's precisely controlled . 41 teeth on ring gear. Find Ring and Pinion Gears 3.07:1 Ring and Pinion Ratio and get Free Shipping on Orders Over $99 at Summit Racing! Dana 30 Short 4.10-5.13 Ring and Pinion Revolution Gear. (45 divided by 12 = 3.75 rounded to 3.73). Teeth. x 4 1/4" i.d., 1 1/4" thick, pinion 8 3/8" oal., 8 bolts, dana brand, 26 spline, pinion gear. To discuss your Gear Ratio, Axle Upgrade and Traction needs with one of our Differential Experts, call us at (916)635-9665. 13 teeth on pinion. Reference. drive gear and pinion, 47-11 tooth 4.27:1 ratio, model 44 axle, 10 bolts. Application Note. view. GEAR SET EATON-SPICER DS381/401/402 RATIO 3.70 10 PINION TEETH 2.1 INCH PINION SHAFT DIAM 41 PINION SPLINE 16 INCH RING GEAR DIAM 37 RING TEETH. x 4 1/4" i.d. A master bearing kit is recommended by most installers, especially on high mileage vehicles. This calculator is designed to give the potential speed values of a vehicle, based on the RPM of the engine, the ring gear and pinion gear ratio, the final transmission gear ratio and the tire diameter, ground to top of tire as mounted. $187.99. USA Standard Ring & Pinion gear set for GM 8.5" in a 3.42 ratio. Ring Gear, GM 8.875 in., Set. . We are able to supply axles, carriers, cases, spider and side gears All new, rebuilt and used tractor parts have a 1-year warranty Here you can find a Ford tractor carburetor, Ford tractor injection pump, Ford tractor hydraulic pump, Ford tractor oil pump, and most any Ford tractor part you need Dana 35 3 items; Dana 44 6 items; Gear Nicks or burrs can be removed . S4/S5 3.56 R&P, KLINGELNBERG PALLOID. FREE Shipping. Part Number: YGA-24121. US Gear Ring and Pinion # 07-890430 | Ford 9" | 4.30 Ratio MADE IN THE USA! Ships from and sold by Quick Performance Racing.

Part Number.

Sierra Gear & Axle is a premium line of light-duty differential parts. Add to Cart. Ring and Pinion Gears, 3.07:1 Ratio, 26-spline, Standard Rotation, Installation Kit, Front, Dana 30, Jeep, Kit. It's all about math and counting teeth. Get it as soon as Thursday, Jun 23 FREE Shipping on orders over $25 shipped by Amazon. AmTech OEM manufactures heavy duty, drivetrain components to transmission companies throughout the United States, Mexico and Canada. Will not work with OEM housings, gear cases . If you're turning large oversized tires with your Nissan Frontier and you're looking to regain power and gas mileage, then re-gearing your front (R180 / R200 / M205) and rear (M226 / C200) differentials with new ring and pinion gears is the answer! Ships from and sold by Quick Performance Racing. Find all of the gear ratios available for your vehicle in our Application Guides or call our staff of differential experts at (800) 510-0950 for LIVE help. Ford 8.0 Ring and Pinion Part Number, Tooth Count & Ratio. Revolution Gear Dana 44 3.55 Ratio gear sets are made from the highest quality steel and are precision heat treated to OEM specifications, making for the best aftermarket gears available. PROBLEM. Differential Carrier Break: 2.73 Ratio and Higher. Select ratios available for 12-Bolt & Dana 60. Independent Front Suspension Differential Work: 3-4 Hours. Your gears run cooler and last longer! These affordable high strength gear sets come in all the popular ratios to satisfy everyone's gearing needs. 1. #20. Part #: G885273. Simply count the teeth on the ring gear and divide that number by the number of teeth on the pinion gear. Oversized tires require higher ring & pinion ratios to restore performance. This item: 9" Ford Ring & Pinion Gears - 3.50 Ratio. Please email CustomerService@randysworldwide.com with any calculation errors. Dana Spicer 10027182 Dana 44 GEARS 5.38 Ratio Ring and Pinion Gear Set fits 2007 to 2018 JEEP JK REAR - FREE . S45-RP356. POL-3235335. Price Range Filter Options Search: Ring Gear And Pinion. . Summit Racing SpeedCard - Open a World of Possibilities - Apply Today! Pinion Gear Pinion Gear Ring & Pinion Gears US Gear 07-990411 - US Gear Pro Series Ring and Pinion Gear Sets Ring and Pinion Gears, Pro Series, 4 However, these gears can be replaced with sets with a higher ratio in order to improve Rusty's Off-Road offers a wide variety of Ring & Pinion gearsets and axle gears for popular Jeep applications . Looking for a specific ratio? #21. Comments. GM,GM14,truck,14,bolt,ring,pinion,gears,diff,spool,master,install,kit,GM14T-PD. Calculating the torque multiplication that your axle gears provide is quite easy. 12 teeth on pinion. Any vehicle with rear-wheel drive, or even older cars, come equipped with ring and pinion gears Any vehicle with rear-wheel drive, or even older cars, come equipped with ring and pinion gears. The rear axle ring-and-pinion are discussed as a gear ratioone number. $150.00. These pinion gear sets are designed and engineered to the highest quality specifications for use on . Ring and Pinion Gears - 3.55:1 Ring and Pinion Ratio - Free Shipping on Orders Over $99 at Summit Racing Filters In Stock In Stock. But before you get too excited about scoring a Postal Jeep 44 or even spend much energy . (ZK GM8.5) Master Overhaul Kit for GM 8.5" Differential. fc-170: $ 335.50: oem: 907062 drive gear and pinion set, 44-9 tooth 4.88:1 ratio, model 44 axle, 10 bolts, includes bearings, shims, seal and gasket. These ratios are numbers such as 4.10, 3.91, 3.73, 3.54, 3.31, etc. This item: 9" Ford Ring & Pinion Gears - 3.50 Ratio. The default values are for a typical V8 small block Chevrolet vehicle, however you may enter any value you wish. West Coast Differentials stocks a huge inventory of OEM and Aftermarket Ring & Pinion Gear sets and orders placed before 4 PM Pacific Standard time usually ship the SAME DAY! Talk to the experts. You should be able to find your gear ratio listed on the axle tag, however, if that has gone missing, you can simply count the number of teeth on each gear and divide the number of ring gear teeth by the number of pinion gear teeth. i.e. The Ford 9-inch axle came from the factory with ratios that are whole numbers, such as 3.0:1, which was achieved with a 39-tooth ring gear meshing with a 13-tooth pinion gear. This ratio affects torque, gas mileage, and RPMs. Factory gears are the quietest application available on the. Front and Rear Ring and Pinions with Installation Kits are a complete solution for Jeeps. Performance Axle Shaft Install: 1-2 Hours. Be aware that you may have to round off the number. 3.73 ring and pinion gear set; For applications with 10 bolt rear cover and 10 bolt ring gear; Includes LM603049/ LM603012 carrier bearing and race with 1.781" inside diameter and 3.062" outside diameter; Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts . Search: Ring Gear And Pinion. POL-3235336. To use the calculator, count the teeth on each gear and enter them in the appropriate box. . Want to search for rear end parts by application, ask the Gear Wizzard Ships from and sold by Quick Performance Racing.

Ring and Pinion Sets Choose The Gear Ratio That Is Best For Your Vehicle TM Tire Diameter When selecting a Gear Ratio, you should consider the following: 1. We are able to supply axles, carriers, cases, spider and side gears All new, rebuilt and used tractor parts have a 1-year warranty Here you can find a Ford tractor carburetor, Ford tractor injection pump, Ford tractor hydraulic pump, Ford tractor oil pump, and most any Ford tractor part you need Dana 35 3 items; Dana 44 6 items; Gear Nicks or burrs can be removed . 11 offers from $148.46. 10 teeth on pinion. Example. Motive Gear 8.50-Inch Rear Axle Ring and Pinion Gear Kit; 3.08 Gear Ratio (99-22 Silverado 1500) $199.99. Dana is one of our top-selling manufacturers of rings and pinions. Ideally, a gear ratio should be selected that will let the engine rev just slightly over the specific RPM where maximum horsepower is made. 9" Ford ratios from 4:86 to 6:50 have 28 spline pinions. Part #: GM10-273. #20. Press the Solve button and the ratio appears below. (44) In Stock, Including at a Supplier. FREE Shipping. Tire Size 2. Engine RPM at Cruise Speed The chart shown below shows RPM calculations at 55 MPHfor various combinations of final Gear Ratioand Tire . Yukon High Performance ring & pinion Gear Set, 2011 & up Ford.