-These units operate smoothly and automatically bias torque to the wheel that has best traction when necessary. The 31 spline option allows for multiple type carriers, such as the OP's suggested TrueTrac. 50"& 4. Reviews. While it's called a 9" rear end, the ring gear is actually 9 3/8 inches in diameter. -20 X 1. This unit will require use of one (1) bottle of friction modifier and trac-lok carrier bolts. SHARE POST #12. 73 RATIO, 15DA (28 SPLINE), NON LSD TYPE, 05/08-12/16 DISCLAIMER: If you require confirmation that this item will fit for your car please message us with your 17 Digit Vin number so we can verify that for you. This unit requires the use of the Trac-Lok ring gear bolts. Dave R. 0 new watchers per day , 450 days for sale on eBay. SCW FORD 9 Inch Diff 3. Works with factory 9 inch Ford differential case, gear, axles and bearings. details: RTS Ford 9 Inch 31 Spline, Eaton Truetrac, Nodular Case, Complete Centre Section, 3. 89:1 & 4. When your vehicle demands performance, durability and strength, choose Yukon Dura Grip. 95. 0 new watchers per day , 440 days for sale on eBay. Aug 8, 2008 · Originally Posted by NumberDummy. 9 inch Diff Ford nine inch full spool 28,spline. Weld Together 9 Inch Diff Housing & 31 Spline Billet Axles, Large Bearing Kit - Custom Length $1,295. C $532. Ended: 27 Apr, 2024 17:17:43 AEST. These steel axle shafts have a natural finish and are sold individually. 00 3. 2" Carrier: 3. 783" bearing journals. 250 BoreCurrie Aluminum Big Bearing (Datona) Pinion SupportChoice of Gear Ratio, Carrier and Pinion YokeSetup and Assembled by Skilled Professionals*** SELECT OPTIONS TO BUILD Ford 9 inch diff centre 4. Near new, had little use. We find out if a 31-spline differential will fit in a 28-spline housingSubscribe to @SallysSpeedShop | Merch: https://debossgarage. 1999 mustang GT. big duece, Oct 20, 2013. I recall reading somewhere that only 428CJ and Boss 302 cars received 31 spline axles. 1966 Falcon, 347 stroker and C-4. 11. Axles include axle bearings, axle seals, . Good amount watching. 1310. 50 Ratio & Upgrade options included. The Trac Loc uses a nodular case, billet steel side hat, and forged internals for higher strength than the New Ford 9 Inch Diff with Torque Worm Please call for more information. 50 FORD 9 Inch Diff Nodular Pro Iron Centre 28 spline Full Spool 1000HP + Condition: Brand Ford 9 Inch 31 Spline Axle Kit, 1541H Billet, Suit Large Bearing 3. Internal helical gear differential design requires no friction modifier. Oct 10, 2023 · SCW FORD 9 Inch Diff 3. Details. Find many great new & used options and get the best deals for Ford 9 Inch Diff Centre 3. I'm running a centre out of a skyline which is 4 pinion, LSD and 3. Stronger than a factory unit, it’s available with two bore sizes: 3. Performance Diff Centre, Preston, Victoria, Australia. 31 spline mini spool to suit 9 inch diff Ford 9 inch diff 31 spline mini spool just the centre - Car Brakes & Brake Parts - Silverdale | Facebook Marketplace Facebook RRP $1,212. Detroit Truetrac Differentials. 25 Centre 28 spline LSD Limited Slip. Available: - 3. RTS Ford 9 Inch 28 Spline Traction Plus, Nodular Case, Complete Centre Section, 3. . 5:1, 3. But hey, replace em if you break em, until then dont worry cause youll break the diff before the axles. Regular price $34. These can't be changed to 31 spline. 66. 27. 11 Ratio PicClick Insights - Ford 9 Inch Diff, Centre True Trac Lsd, 4. 1 x Axle retaining plate. 39 (4%) In Stock. You can either go disc brake or drum. Mar 12, 2021 · High performance Yukon Ring & Pinion gear set for Ford 9" in a 5. Fits 9" Ford with 28 spline axles; Eaton Detroit TrueTrac Ford 9 Inch 28 Spline Rear Differential - 912A587 Part #: EAT912A587. Axles are cut to fit for your specific length needed. Suitable for Ford 9" 31 Spline Differential. The pride instilled into a Strange set-up Apr 27, 2024 · FORD 9 Inch Diff 3. You cannot, however go the other way. 50:1 Gear Set, Assembly RTS Diff Centre Section Ford 9 Inch 31spl, Eaton Speedway Motors 91909131 Details. 11 gears. They are a couple of mm narrower than a stock tri 5 diff. of 1. Trending at AU $97. Complete 9" Centre Sections. -Here are some terms, vital measurements and facts:-28 spline 8" and 9" Ford axles are the same spline. There are some small bearing posi carriers out there. Vehicle Applications: Vehicle models with Ford 9" housing and 35 spline axles. 1957-1967, all 9 inchers are 28 spline. 80. 2 (Non C-Clip axle) Ring Gear Diameter: 8. 30 Ratio in 28 Spline / 31 Spline / 35 For Ford Territory SX SY SZ Dana Spicer Petrol SY4800A Tail Shaft Centre Bearing. The Aeroflow Performance ford 9"cut to fit axles are perfect for small shops and will allow you to build your own custom width rear end easily. 0. 89 Ratio in 28 Spline / 31 Spline / 35 Spline - 4. 50:1 ratio l. Use Petroleum based oil with a friction modier FMS-19546-A12. Stonger than stock! Complete new Trac-Lok carrier for 28 spline axles. Strong, but limited gear options. Short. 54. $1,399. 7:1, 3. mustangboy Discussion starter. Yes, you can put 28 spline side gears in a 31 spline case and run it in the older axle. 25 inches; 67-70 Mustang = 59. 20mm) and 32" (812. d posi traction 31 spline chev, holden ford 9 inch diff centre 3. 7,496 likes · 9 talking about this · 8 were here. or Best Offer. There’s also stronger 31-spline aftermarket componentry available Ford 9 Inch Diff 28 / 31 / 35 Spline True Trac Centre Please call for more information. See More. diff centre and brake options available too! please note: allow up to 3 weeks production time as made to order we can do custom widths as well - please enquire. They are a steel axle shafts with a natural finish and are SOLD AS ONE AXLE ONLY. Description. PicClick Insights - Ford 9 Inch Diff, Centre True Trac Lsd, 3. 25 Ratio, Aluminium Case 28 Spline PicClick Exclusive Popularity - 10 watchers, 0. The Detroit Truetrac was the first helical gear differential ever introduced into the The 9” Ford Trac-Loc clutch style limited slip differential is designed as a direct replacement for the weak and hard to find OE stock unit, or for those desiring to convert to a limited slip differential from the 1 legger open diff. Save $44. 250-inch for 35- or 40-spline axles. 98. Reliable, limited slip traction performance without expense of locker & spool differentials. 375 inch centers, housings were cut away at the gasket surface for ring gear clearance. 5 Ratio, Aluminium Case 28 Spline PicClick Exclusive Popularity - 22 watchers, 0. Quiet operation, no clicking when disengaging for corners. 50:1 Gear Set, Assembly - RTS Jun 12, 2015 · With our kit in hand, we rebuilt a four-pinion, 28-spline Trac-Lok differential in a few hours. Vehicle Applications: Vehicle models fitted with Ford 9" housing and 31 spline axles. $5,364. 5" OD axle tubes. Currie Enterprises Part Number: 3M-9IN325S31TTSRC · Style: 9” Ford (9IN) · Ratio: 3. Eaton Truetrac Differential Fits 9" Ford With 28 Spline Axles. Super high amount watching. Ford used 31 spline axles in cars over 330 horses. This listing is for the diff centre only. item 6 ford 9 inch diff centre 3. 2 sold, 2 available. 25 Centre 28 spline LSD Limited Slip New (#266695590680) m***a (62) - Feedback left by buyer. [. HD Pro Aluminium 9" Center Section Fully Assembled with 4. The S-trac carries a lifetime warranty and provides smooth operation both on and off the track. 50 Ratio in New Ford 9" inch 28 Spline Posi / Torque Worm Limited Slip Differential. 0 sold, 2 available. 7 Ratio 31 Spline at the best online prices at eBay! C $205. Jan 6, 2015 · The S-series case is designed primarily for street use and occasional trips to the track, depending on the application. Make sure you have an axle slid in the clutch hub and spider gear so the teeth line up, otherwise the axle will not go in all the way. 11 ratio if anyone has one for sale im intersted Cheers Ed Nov 29, 2012 · My mate, brother and myself are all putting in a VL diff (borgwarner). Strange Engineering offers a wide variety of posi units and differentials to suit the Ford 9 inch rear end. 28 spline version has LM501349 carrier bearings which are 1. Ideal for street tires and medium horsepower applications. 9 inch Diff Ford Nine inch Centre Oil Seal Kit free shipping. RuffStuff Weld-On Ford 9" Disc Brake Conversion Kit. 97. 65-66 Mustang = 57. at CA, KY, MN, TX, WA. Instant torque-biased application in forward or reverse. 528" ("New A C-clip is a semi-circular retaining clip used to hold semi-float axles in the housing. 99. 28 spline. The 31 spline side gears will go into the 28 spline case, *but* the 31 spline axles will not fit through the hole in the case where the bearing rides. Options include a choice of differential type, gear ratio, and pinion yoke. 31 spline version has LM102949 carrier bearings which are 1. Past 6 months. In stock. Choice of 28 or 31 splines to fit multiple applications. Surface Finish: Natural Iron Tone. 1965 mustang fastback. 9%. 28. Oct 20, 2013 · Two side gears and a clutch hub. Comes housed in a fully machined, forged steel case. SAVE $47. Dennis. Load 36 More Products. 3 4 ratings. Suit Ford, Lincoln, Mercury 9" 31-Spline with Preload, 3. 80mm) with a spline length of 4" (101. Add to Wish List. The bearings on my 31 spline detroit locker carrier are 3. The Truetrac’s proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well. 00 Almost gone Free postage Description. All the internal parts are different as is the housing, carrier, the whole ball of wax. -Helical worm gear design, no clutches to wear out. 70 Ratio in 28 Spline / 31 Spline / 35 Spline - 3. Excellent condition. 25) This complete 9" Ford overhaul kit includes a full bearing set, pinion nut, pinion seal, gasket, shims, crush collar, sealant, gear marking grease, brush and Loctite. Common Ford 9" Axle Housing Widths. In Stock. bearing, 2-1/2" offset. Features the latest Posi-Trac design. 5 x 1/2” wheel studs. In Commodores, VNs onwards sport 28 splines. $629. One curved rib at the front top portion of differential. 5. 062-inch for 28-, 31- or 33-spline axles and 3. Some of the older axles cannot be shortened at all. Aug 31, 2022 · 1963-77 Lincoln, LTD, Thunderbirds have 9. This 28 spline differential is specially designed to fit the Ford 9" rear end. 99 $655. $449. Additional. 54 (4%) In Stock. 89 gears. 879" OD. from United States. 28 and 31 Spline Long axle is 33" from face of axle flange to the tip of the splined end with 9-1/4" of spline. affordable bolt in 9" diff for your lh-lx holden torana. Dec 18, 2015 · 375 rwhp in a 3000 lb car with a 5. Showing 1 - 36 of 137 results. The general consensus in the industry is 31's are 30% stronger than the 28's. This kit uses weld-on caliper brackets. 38 sold. Brand New. Size: Long. must use 7/16 in. Ford 9 inch Billet Axle 28 spline 31 spline Custom Lenght Made to Order SCW each. -You have to cut at least 4" out of 8" or 9" Ford OEM axles in order to shorten and re-spline them. Find many great new & used options and get the best deals for SCW 3. +C $194. Detroit Truetrac 912A616. 50:1 Gear Set, Assembly - RTS Apr 12, 2010 · Received 0 Likes on 0 Posts. Fits Ford 9 inch axle housings with New "Torino" big bearing flange, 3. 250-inch thick heavy-duty retainer plates, and the wheel bolt pattern and wheel Jun 17, 2010 · A 33 is stronger than a 31 spline, but only a spool is the only available carrier for it. #4 · Sep 27, 2009. 3/8 Inch Diff Axle Retainer T-Bolts $35. Eaton 28 Spline Detroit Truetrac. Verified purchase. Is there a bearing that will Product Summary. Provides optimum traction in forward and reverse with no Sep 15, 2017 · 2. The diff centres also come in a range of available options: - 3. Condition: Brand New Ford 9 Inch Diff 28 / 31 / 35 Spline True Trac Centre Please call for more information. For unmatched positraction performance, the Dura Grip is the ultimate choice. Available in 3. Shop Differential Carriers at Summit Racing. 28 spline 9 inch diff centre « on: August 04, 2010, 12:16:17 pm » Hi there im looking for a 28 spline 9 diff centre preferably 3. Fits 9" Ford with 28 Spline Axles. d posi traction 31 spline chev, holden AU $1,695. SAVE $73. It remains the leading helical gear-type limited slip differential in the industry. Spring loaded clutch pack with improved grip over OEM designs. 25:1 & Up Ratios. 13 shipping. 71. 2 sold, 1 available. 5 x 7/16” wheel studs. speakeasy_garage_inc (4,024) 100%. Spit the pinion right out the side of the case. 11 Ratio, Aluminium Case 28 Spline PicClick Exclusive Popularity - 2 watchers, 0. 750" Bolt Circle. Performance Diff Centre | Melbourne VIC May 15, 2009 · M. These Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. Eaton Truetrac 913A586. SCW 3. A helical gear differential that offers smooth power transfer. Winning bid: AU $373. 25 inches; 71-73 Mustang = 61. 6653 posts · Joined 2002. 1 new watchers per day , 436 days for sale on eBay. It uses 3 x 2 spiral gear technology. FORD 9 INCH WELD TOGETHER KIT DIFF HOUSING, LARGE BEARING CUSTOM WIDTH $640. Shop Feedback: Did you find what you are looking for? Shop Ford 9 Inch, Differentials and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Axles are available for small-bearing or late large-bearing applications. This unit will not fit in Strange Engineering aluminum dropouts. Like. 11 Ratio in 28 Spline / 31 Spline / 35 Spline - 4. holden lh-lx torana 9 inch diff housing w/ 31 spline 1541h billet forged axles. 25 inches New, built-to-order Currie 9-inch nodular iron third member set up for 35-spline axles. But all the parts from the 28 spine, should switch out to replace the 31 spline parts. -Comes with Eaton warranty. This weld-on disc brake kit will go on any Ford 9" with 3. In Fords, 28 splines became standard from the EB. Choice of 28, 31, or 35 splines to fit multiple applications and are cut to fit for your specific length needed. D. 50 Ratio in 28 Spline / 31 Spline / 35 Spline - 3. The best way is to pull the axle. Fits factory and aftermarket 9-inch Ford differential housings. 29 ratio. $18799. 25 Centre 28 spline LSD Limited Slip New. You don't need to worry about the axle flange pattern. 25:1, 3. Axle Core hardness: HRC 24-28 and Axle Surface hardness: Above HRC 52. Save on Differential Assemblies. Detroit Truetrac. /each. Currie 28-spline axles for 9-inch rear-ends feature custom length, induction heat-treated, 1541 forged induction heat-treated axle shafts. Being stronger, the 28-spline versions are the pick of the bunch. Trac Loc Differential - 28 Spline (3. There are also some big bearing carriers that are not bored large enough for 31 spline axles, but they can be bored out to fit. They are available in 28 spline with lengths of 28" (711. 00. SUITABLE FOR ALL FORD 9" DIFFERENTIAL WITH 10 BOLT RING GEAR & 28 SPLINE AXLES. Regular price $154. Trac-Loc Differentials with qualifying orders of $109. Technical Notes: This unit has 1. Features. Jun 24, 2009 · ALWAYS measure a rear end from the outside of the axle flange to the outside of the axle flange. 60mm). Prosch-Jensen points out that a factory 9-inch differential is good only up to about 350 rwhp Apr 13, 2009 · The difference comes from the diameter of the axle shaft, the 31 spline is larger thereby requiring more splines and more contact area as well as the strength that comes from the diameter increase. $405. 9" slicks, 4 speed and 5000 rpm starts. 89. Oct 19, 2016 · Buy Assembled Center Section for Ford 9" 31 Spline Eaton TruTrac Third Member Differential 9 inch 3rd member. More details. 00 Ratio in 28 Spline / 31 Spline / 35 Spline - 3. 36:1 and numericaly higher Side Gear Spline: 28 Teeth Model Years: 1964-71 Bearing Cone: LM501349 Bearing Cup: LM501314 **NOTE: Will NOT fit "O" type Axle with 12-bolt cover and 10-bolt ring gear. 11 ratios (PENDING STOCK) -28 or 31 Spline True Trac LSD differential Full reco LSD centres,ANY GEAR RATIO $1299 Full billet 28 spline LSD available extra $250 28 and 31 spline TRU TRAK options Strange Case options Aluminium Daytona pinion Support options CALL CHRIS FOR A SMOKIN DEAL 28 YEARS EXPERIANCE I HAVE BEEN AROUND RACE CARS AND MUSCLE CARS FOR A LONG TIME,CALL ME TO GET THE RIGHT COMBO FOR YOU BUILD FIRST TIME. Each axle kit contains the following: 1 x Cut to Fit Axle. Long. They are commodore pattern if that's what your after. Home ; About; 28 Spline. These Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet Description. Features:Currie Heavy-Duty Nodular Iron Race Case with 3. EATON 912A587 TRUETRAC 28 SPLINE & MOTIVE GEAR PERFORMANCE 3. -Ford 8" 28 spline. 84. Dec 28, 2023 · SCW 28-Spline Full Spool, Compatible with Strange Moser Axles. Allows You to Control How Much Traction is Applied. Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details! Then the installed 10 x 3/8" bolt pinion support gives extra tensile strength to the unit. Long axle is 33" length from face of axle flange to the tip of the splined end RTS Ford 9 Inch 28 Spline Traction Plus, Nodular Case, Complete Centre Section, 3. AU $82. The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. 150", 35 Inch Long, Cut To Size $345. 02 Jul 28, 2002 · Not a full on race car just a low 10 sec runner, but 28 splines! no joke. Aluminium Case & Pinion Support, 35-Spline Eaton TrueTrac, 1350 Chrome Moly Yoke. That's what I'm running in my '61. $ 595. 9 Inch Diff COMPLETE or Centre Only ALL NEW - Housing,Gears,Axles,Bearings Steel Hemisphere LSD Nodular Case. 25 Ford 9 Inch Diff Nodular Pro Iron Centre 28 Spline Full Spool 1000hp at the best online prices at eBay! 9" Diff Centre - 31 Spline - True Trac This is a Currie Enterprises 9” Diff centre (3rd Member). Detroit Truetrac's proven helical gear design eliminates the need for wearable parts Pro Iron 9" Center Section Fully Assembled With 3. With the cross spin shaft removed, the axle can be pushed into the housing far enough for the C-clip to be installed into a groove on the end of the axle splines. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. 25 Centre 28 spline LSD Limited Slip New (#266695590680) m***a (72) - Feedback left by buyer. Ford 9 Inch. Buy It Now. 31 Spline + Au$300. Sponsored. The 31 splines axles were an option beginning in 1968used thru 1972, but there's a catch. 43 rear. C $351. Ford 9 Inch, Gear Type Carrier Style. Available in both nodular iron and aluminium cases. Mar 11, 2024 · We have for sale a good used DIFFERENTIAL CENTRE to suit FORD FALCON FG-FGX, AUTO T/M, M80, 2. Part Number: STPRF180T35 389. 625" ID and 2. 9 or 4. 27 shipping. differential services for all performance vehicles. Condition: Used. #1 · May 15, 2009 (Edited) I was putting my 9 inch rear together and ran into a bit of a snag. Heat treated spider gears. May 24, 2023 · SCW FORD 9 Inch Diff 3. com/merchWatch more epi OEM Trac-Loc 28-spline Limited Slip LSD. s. 25S · Spline: 31 · Diff: True Trac (TT) · Case: 9+ Nod Sportsman (S) · Pinion Support: 9+ Race (R) · Yoke: 1330-Short 9+ (C) See the link below to the Currie Oct 28, 2019 · On the other end, you can get a kit like RuffStuff Specialties' 9" disc conversion. Each Strange centre section is meticulously assembled by a set-up department unsurpassed in the rear end market- the same department that fastidiously assembles $20,000 Top Fuel rear ends. May 30, 2017 · These were fitted to the earlier models and for the most part featured 25-spline axles, though some were 28-spline. 781" ID and 2. Uses stock sized Ford 9-inch differential carrier bearings. Ford 9"Cut To Fit Axle Kit - 28-Spline28"Length,4"Spline Length With 5 x 4. Free Shipping - Summit Racing™ Ford 9 in. 0 5. YG F9-529 ( 24387 ) In Stock. Add to Cart. 150" O. +C $67. See more details. Improved strength and traction over OEM unit. 37 tooth crown divided by 9 tooth pinion gear equals 4. 250 in bolts. Designed for stock or aftermarket 31-spline axles. 11 Ratio. each. Product Summary. Works with 35-spline axles and factory 9 inch Ford differential case, ring gear, and carrier bearings. The axle is then pulled back outward until the C-clip seats into a groove in the side gear. To finish off the True Trac style differential will efficiently put that power to the ground. RTS Differential Posi Traction Plus, LSD Clutch Style Aluminium Case & Pinion Support, 35-Spline Eaton TrueTrac, 1350 Chrome Moly Yoke. 90. Sep 27, 2009 · 1092 posts · Joined 2004. Requires a Bearing and retainer with an I. V8 and turbo models had 28 spline axles. Vehicle Applications: Vehicle models fitted with Ford 9" housing and 28 spline axles. AU $395. Short: 29. 06 and the ones that were on the open carrier that was in the housing (28 spline) are only 2. While it is possible to identify a factory axle from the outside, the same rules do not apply to aftermarket axles. Oct 5, 2016 · At least the rear end appears to be original. Application – Ford 9″ with 28 spline axles. 70 DIFF GEAR SET. SHARE POST #20. 51" length with 8" of spline Bearings and Wheel studs sold separately. Fits all Gear Ratios. Auburn Grip-N-Loc Differential Application: Buick - Olds - Pontiac 10 Bolt 8. ellicoautopartart (974) 95. The line of differentials is highlighted by the Strange S-Trac helical gear units for Ford 9 inch differential applications. . 28 spline full spool. Maintenance free, no friction modifiers or special lubrication required. 65' Stang--434w, G101A 4-Speed, Victor Heads, Super Vic Intake, Bullet SR, Braswell 1050cfm carb, 4:56 rear, 93 Octane Pump Gas. hotroddon, Apr 13, 2009. Part Number: N1981. New Big Ford They are perfect for small shops and will allow you to build your own custom width rear end easily Axle length is measured from the flange to the end of the splines. th oa uq yq ds jb kj gs hf yd