winters quick change center section winters quick change center section

If 30 days have gone by since your purchase, unfortunately, we cant offer you a refund or exchange. You will be responsible for paying for your own shipping costs for returning your item. Any reverse plate is available with stock pattern decals by adding the letter S to the end of the part number. $108.99. Winters SR4225MSTB Steel Tube and Bell Banjo $ SKU:1251 Add to cart; Ford V-8 Pinion Nut and Pinion-Bearing Lock Washer (Set) Joined: Apr 28, 2011 Posts: 7,345 . . See us for in stock availability and pricing information. Includes bell gaskets, straight cut gears and carrier bearing. We offer a stock and reverse gate plate for all SideWinder shifters, and a rock crawler gate plate for a select few. We recommend throughly inspecting your rear end after any extreme shock load, such as hard impact of any type and drive line lock up or motor seizure. Finally an all new V8 quick change that has steel side bells and tubes that accept modern axles. This part is Backordered. Mar 28, 2023, Estimated Ship Date: 1-866-RACEGEAR (1-866-722-3432), Customer Service Hours (PST) Feel free to call us at 704-871-0721 if you have any questions about shipping. Here are just a few of the advantages of this quick change: FEATURES. 5 Review (s) Your Price: $1,140.00. Some products are made to order to spec and will ship once built. To be eligible for a return, your item must be unused and in the same condition that you received it. 2006 - 2023 Circle Track Supply, Inc.. All rights reserved. Steel side bells for traditional look. Assembly includes 10 4.12 ring and pinion. if ordered today, Estimated USA Ship Date: Click here to check out our video on shimming helical gears. We hope you enjoy shopping at Circle Track Supply, Inc. WINTERS PERFORMANCE PRODUCTS-MAVERICK PERFORMANCE, Junior and Youth Racing Safety Equipment and Gear, Modified-Street Stock-Monte Carlo-Sportsman-Limited-Hobby-Pro Four, STREET STOCK-Monte Carlo Parts-Suspension-Body Parts, Late Model Parts - NASCAR Late Model, Legends, Sprint Car, Quarter Midget,TQ, Micro, Mini Sprint, Mini Cup, Karts, 1981-1988 Monte Carlo Street Stock Bodies, Asphalt Late Model-Super Late Model Panels and Kits, Dirt Muscle Cars 2020 Chevy Camaro-Mustang-Challenger Street Stock, GM 1500 & FORD F150 Truck Bodies-Dirt & Asphalt, Brake Fittings, Brake Lines & Flaring/Bending Tools, Caliper Brackets, Brake Spacers & Hardware, Calipers, Master Cylinders & Proportion Valves, Stock Rotor Brake Kits and Rear Disc Kits, Used NASCAR Parts, Used Race Parts and Cars, Hydraulic Release Bearings, Clutch Lines & Pilot Bearings, Clutch Alignment, Transmission & Rear End Tools, Battery Cables, Grounds & Wiring Harnesses, Alternators, Starters, Distributors and Switches, Fuel Pressure Gauges- Fittings and Accessories, Distributor Caps, Rotors, and Accessories, Interior, Racing Seats, Cockpit and Accessories, Oil Filters, Oil Heaters & Oil Inlet Fittings, Torque Absorbers & Spring Loading Torque Arms, Trailing Arms, Mono Balls and Mounting Brackets, Helmets, NecksGen REV 2 Lite-Hans, Head restraints, Helmet bags, K1 Kart Racing Suits-Shoes-Gloves-Collars-Vest, Helmet Blowers, Cool Suits and Air Conditioners, Junior-Youth Racing Safety Equipment and Gear, Radio-Boxes Drink-Holders Helmet-Hooks Mirrors, Disconnects, Steering Wheels, Columns And Brackets, Rack & Pinions, Steering Boxes, Steering Quickners and Accessories, Stock Steering Components, Tie Rods, Heims, U-Joints & Couplers, Lug Nut Sockets, Tire Rotisserie, Irons, Grinding Tools, Cabinets, Work Stations and Trailer Lights, F150, F250, F350, Excursion, Explorer & Expedition, Performance Distributors - High Performance and Racing Ignition-DUI IGNITIONS, CTS-Pem, Wheel Hub, Rear, 5 x 4.75 Wheel Bolt Pattern, 24 Spline Drive Flange, Bolts / Bearings / Hub Seal / Lug Nuts / Plate / Studs Included, Steel, Black Oxide, Kit, Falcon Aluminum Transmission - Roller Slide - 1-Piece 10 Spline, Aluminum Case, Falcon Transmission 62348-18 Steel Drive Flange with 1955-85 Chevy Crank, Falcon Transmission 62407 Input Shaft Collar, Falcon Transmission 62901 Input Shaft, 18 to Spline, Falcon Transmission Flywheel Bell Housing Assemblies, Falcon Transmission Roller Slide Transmissions, IMCA Winters 60 inch Centered Pro Modified Magnesium 10 inch Quick Change Housing Assembly-Ultra Light, Powermax Plus Starters Reverse Mount Reduction Starter, Winters 2nd Generation 8 Ring Gear Quick Change Less Tubes-Crate Motor QC. new for 2019; 8 rib Side Bells. Free shipping. Do the shifters work with transmissions other than what is listed? All racing experts are out of the office. Can the shifters be converted to work with a different transmission than what they were originally built for? 2022-2023 Winter Outlook Released! They accept the new style big Ford brakes with a 2 1/2" offset and the standard Spicer . v*UWb]v*UWb]cH FZCE[BYaCQ*|UyAga-d-IIknj,qUifm.mS[^M7T^rHUjEYY*?~x~]Uko1iT 4Q_^AWYO 2006 - 2023 Circle Track Supply, Inc.. All rights reserved. 4 0 obj <> endobj Alternate Description. Buy gift card(s) or an e-gift card for you or someone special. SideWinder shifters are ordered based on the automatic transmission that is being used. A full list of options can be found in our catalog including gate plates, mounting options, safety switch options, and cable lengths. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, Winters Quick-Change Forged Steel Tube and Bell Clamp Rear Axle Assemblies SR2550STBKPO, Winters Performance Products Axle Assemblies SR3605-31, Winters Performance Products Axle Assemblies SR92525, Winters Performance Products Axle Assemblies SR92545, Winters Performance Products Axle Assemblies SR2520STB, Winters Performance Products Axle Assemblies SR4225, Winters Performance Products Axle Assemblies SR4225M, Winters Performance Products Axle Assemblies SR92525CR, Winters Performance Products Axle Assemblies SR2525HD, Winters Performance Products Axle Assemblies SR2550, Winters Performance Products Axle Assemblies SR2520, Winters Performance Products Axle Assemblies SR3605-28, Winters Steel Tube and Bell Banjo Axle Assemblies SR4225MSTB, Winters Performance Products Axle Assemblies SR2550STB, Winters Heavy-Duty Quick-Change 10 in. if ordered today, Axle Assembly, Steel Tube and Bell Banjo, 3.78:1 Ring and Pinion, Rear, Winters Non-Quick Change, Kit, 5.0 out of 5 stars Winters QC Aluminum 6-Bolt Center Section, Winters QC Aluminum 6-Bolt Center Section (Thermal Coated), Winters QC Aluminum RH 6-Rib Bell (Thermal Dispersant), Winters QC Aluminum RH 8-Rib Bell (Thermal Dispersant), Winters QC Aluminum LH 6-Rib Bell (Thermal Dispersant), Winters QC Aluminum LH 8-Rib Bell (Thermal Dispersant), Winters QC 4.86 Ring & Pinion without Bearings, Winters QC 4.86 Ring & Pinion with Bearings, Winters QC 4.12 Ring & Pinion without Bearings, Winters QC 4.12 Ring & Pinion with Bearings, Winters QC Side Bell O-Ring - (Current 6 & 8 Rib Bells), Winters QC Side Bell O-Ring - 8 Rib Bell - (Pre 2014), Winters QC Side Bell Bearing Cup - (2 Req), Winters QC Steel Spool Carrier Bearing - (2 Req), Winters QC Aluminum Spool Carrier Bearing (2 Req), Winters QC Aluminum Spool Carrier Shim Kit, Winters QC Ring Gear ARP 3/8" Belleville Washer (12 Req), Winters QC Socket Head Pipe Plug - (3/8") - (2 Req), Winters QC Lower Shaft Shielded Ball Bearing, Winters QC Pinion Shaft Tapered Bearing (2 Req), Winters QC Pinion Shaft Double Bearing Cap, Winters QC Pinion Shaft Aluminum Posi-Loc Nut, Winters QC Pinion Shaft Posi-Loc Retainer, Winters QC Pinion Shaft Assembly Retaining Ring, Winters QC Pinion Shaft Assembly Retaining Plate, Winters QC Seal/Retainer Plate Bolt - 3/8"-16 x 1" (6 Req), Winters QC Steel Core Gasket - (6 Bolt Cover), Winters QC Heavy Duty Steel Core Gasket - (10 Bolt Cover), Winters QC Gear Cover Bearing ONLY - (Standard), Winters QC Gear Cover Bearing ONLY - (ProMod), Winters QC Gear Cover Bearing Cap O-Ring - (2 Req), Winters QC Gear Cover Extra O-Ring - (2 Req), Winters QC Gear Cover Bearing Cap (2 Req), Winters QC Gear Cover Cap Bolt - (1/4"-20 x 1") - (6 Req), Winters QC Gear Cover Stud & Nut Kit - (Nut,Stud,Steel Ball), Winters QC Gear Cover Black Aluminum Nut - (Each), Winters QC Gear Cover w/Bearings - (Pro-Mod 6 Bolt), Winters QC Gear Cover w/Bearings - (Standard 10 Bolt), Winters QC Gear Cover Steel Ball - (5/16"), Winters QC Gear Cover Stud - (3/8"-16 X 1-3/4"), Winters QC 10 Spline Heat Treated Lower Shaft, Winters QC Seal Plate Retaining Ring - (.375" Seal), Winters QC Seal Plate Retaining Ring - (.750" Seal), Winters QC Standard Rear Seal Plate Seal - (.750" Thick), Winters QC ProMod Rear Seal Plate Viton Seal - (.750" Thick), Winters QC Standard Seal Plate Seal - (.375" Thick), Winters QC Drive Yoke Bolt Retaining Washer, Winters QC Drive Yoke Bolt - (3/8"-24 x 1"), Winters QC Bell Assembly ThruBolt - (7/16"-20 x 5 1/2"), Winters QC Bell Assembly Flat Washer - (7/16"), Winters QC Bell Assembly Flanged Lock Nut - (7/16"-20), Winters QC Side Bell Bolt - (7/16"-14 x 1-1/4") - (2 Req), Winters QC Adjusting Screw - 1/2"-13 - (6 Rib Bell), Winters QC Adjusting Screw Flat Washer - (1/2"), Winters QC Adjusting Screw Aluminum Jam Nut - 1/2"-13, Winters QC Bell Axle Tube Housing Bolt - (3/8"-24 x 3/4"), Winters QC Inspection Plug O-Ring - (Pro-Mod), Aluminum Port Plug w/ O-Ring - #12 (1 1/16-12) - (Black), Winters QC Inspection Plug - 1-5/8"-12 (20AN), Winters QC Standard Rear Breather Assembly (3/8" Pipe), Winters QC Pro-Mod Breather Assembly (6AN), Winters QC ProMod Gear Cover O-Ring - (6 Bolt Cover), Winters QC Steel Plug w/O-Ring - (Pro-Mod). Click here for a gear change demonstration video. Free shipping for many products! This is a complete center section available with either a 28 or 31 spline Wedgelock differential and 3.78 ring and pinion. mfg: winters performance. Friday 2/10/2023 Seal has a 1.985" I.D. 10 full-size rear end, fill until oil comes out fill level plug on the front of the right side bell. Winters SR3605 V8 Quick Change center section. Frankland Racing Supply is always trying to supply the best support and service when it comes to racing rearends. Winters recommends in High horse power applications you should throughly inspect and maintenance your rear end every 20 races. We typically reply in a few minutes. . Copyright 2023 no bells or components. D Winters early Ford V8 quick-change center kits provide you with what you need to build your own custom rear-end. Description. 6 or 10 bolt Big Bearing Billet Rear Cover. Sat-Sun: Closed. Estimated International Ship Date: spool or other custom differentials available to meet your needs: Platinum Track (D.P.I. Shop Winters Quick Change Parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Winters Early Ford V8 Quick-Change Center Kits, QUICK CHANGE CENTER Image is a representation of this item. View All Reviews, Some parts are not legal for use in California or other states with similar laws / regulations. To learn more contact your local dealer or go to our products page to download our catalog. 2.12.22. all the info on the new truck! How much oil should I use? $746.23. Quick Change Rear End Aluminum Seal Plate Winters Frankland WOO Late Model D7. Speedway Motors has the best Winters Quick Change performance parts available. If you need to exchange it for the same item, send us an email at glnmaurer@circletracksupply.com and send your item to 304 5th Creek Road, Statesville, NC, 28625, United States. Can I get a gate plate to match? Built to take the abuse of Sprint Car Racing. These rear ends are 56" from hub to hub and have both 5 on 4 1/2" and 5 on 4 3/4" bolt patterns. Copyright 2023 Performance Bodies. All rights reserved. Note: Winters spools are manufactured to use approximately shims for initial preload. I have seen people use a quick change setup as a way to beef up the center section of an Early Ford commerical axle - and retain the . These kits are for use with early Ford bell tubes, axles, and differentials. xb```f`` X8xP )D|fU Summit Racing will BEAT any competitor's advertised price! "o;rMS[Qd}>ItF%)FC0T!eWb]C]u=RPY[uK9&`PKSM Y>*UTVt'yu8K; 712.9100037 0 0 1603.8000031 0 0 cm Marty Strode . Call us at 704-871-0721 to get help with large international orders and we can . All Rights Reserved. In this demolition derby crash racing online you need to make due in a field of quick dashing vehicles by annihilating . Also called a spool seal, it fits Frankland, Winters and other quick change rear ends. 10" full-size rear end, fill until oil comes out fill level plug on the front of the right side bell. There are no comments yet. Were always ready to ship Winters Quick Change restoration parts to your door, quickly and reliably. Would you rather pick it up? Gate plates are separated by specific transmission. . Mar 28, 2023 We are always Check the Fit, Estimated Ship Date: Center Section, Sprint, Quick Change, Magnesium, Thermal Dispersant Coated, 10 in Ring Gear, Each. *Special cases might be returned to the manufacturer*, There are certain situations where only partial refunds are granted: (if applicable)* Book with obvious signs of use* Any item not in its original condition, that is damaged, or is missing parts for reasons not due to our error. Find many great new & used options and get the best deals for VINTAGE FRANKLAND QUICK CHANGE REAR DIFFERENTIAL CENTER SECTION COVER HUB SPOOL at the best online prices at eBay! Unit comes with Ford flanged 31 spline axles. One big change is if you ever break this Center Section, even in a crash, it will be replaced at N/C for 5 years from date of purchase. This is a custom order part. Winter's Track differential (senses wheel spin and delivers positive traction). For best performance we recommend you send your Track Star back to Winters every year to be rebuilt to factory specifications. Winters Performance Quick Change UnitsFor more information, please visit:http://www.motorstate.com Talk to the experts. if ordered today, Estimated USA Ship Date: 0 Winters RS-WINTK837S-1 Pro Eliminator Rear End (Complete With 4.86 Ratio, Thermal Coated, 10-10 Coupler & L/W Axle 1.875 I.D) Share: Facebook; Twitter; Pinterest; Google+; $3,344.62 More info. The e-mail address that you entered is either incorrect or invalid. endstream endobj 8 0 obj<>stream ComForCare Quincy, MA3 weeks agoBe among the first 25 applicantsSee who ComForCare has hired for this role. This means the input 144961817457 We deliver worldwide and to almost all countries. How do I know what gate plate I need? Includes the following upgrades: -LSD (Limited Slip Differential) Factory Winters 2 way-Heat Treated Pro 1000 Lower Shaft and 1350 yoke-High Strength 4.12 Ring and Pinion-HD 930 Style CV Output Flanges 35 spline-6 bolt Billet Alum Gear Cover Support w/ Logo-Free Gear Set of your choice WIN K5270-LT IS A COMPLETE CENTER SECTION WITH BELLS. It is bordered by six states: Wisconsin to the northeast, Illinois to the east and southeast, Missouri to the south, Nebraska to the west, South Dakota to the northwest, and Minnesota to the north. wink5280-lw. Terms of Use | Privacy and Security | Site Accessibility Add to cart Details. win4949. They are available in either plain finish or a polished center section that includes stainless steel fasteners. 0 ITEMS SELECTED . Copyright 2023 PitStopUSA.com. There is often some processing time before a refund is posted.If youve done all of this and you still have not received your refund yet, please contact us at glnmaurer@circletracksupply.com. Complete Rear Ends not available on-line. %PDF-1.6 % Call to order.must ship truck freight. View Details Built using the sprint magnesium center section and 6 rib side belts. Remove inspection plug and inspect r&p after every race, looking for pitting and excessive wear on the pinion. How often should I have my Track Star differential rebuilt? Top Drift racers worldwide choose our independent quick changes for their strength and the ability to quickly tune gear ratios for each track. . Thursday 1/12/2023 $765.08 . Online & Order Support ///Website Design by Cut Once, Racing to Hot Rod to Drift, Click Here for ALL Catalogs, "Since 1958"Read About Winters' History Here, Winters-Equipped T-shirts and Other Merch, V8 Hot Rod Rear Oil Specs & Fill Location, Champ Indy Rear Oil Specs & Fill Location, click here to take a virtual tour of Winters' York, PA headquarters. We have Winters Quick Change for the lowest prices and largest inventory. Depending on the time/day ordered and the product type. Adobe d and a 2.625" O.D. Sikky spec Winters 10 Quick Change Rear End. &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? Malabrigo Temperance Shawl Kit. Monday 3/6/2023 ig- @wrenchworkz wrenchwor. The shift patterns on our gate plates are decals, this allows the customer to mix and match standard and reverse patterns on the gate plates to work with each individual project they may have. Each kit comes complete with one quick-change center section, a 4.11:1 ring and pinion, one axle housing gasket set, one carrier bearing, and one straight cut, 6-spline gear set of your choice. Available for your Dirt Late Model, Modifieds and Asphalt applications. details. We recommend using a high quality semi-synthetic 80-90 oil with Moly like Winters' High Performance Supreme Gear Oil by Schaeffers, or any high quality full synthetic 75-90 gear oil. International Customer Options|In the United States? WINTERS QUICK CHANGE GEARS SET#7 10-SPLINE 8507 23/26 TEETH 4.30/5.49 SCS QTR. $5 Off Your $100 Mobile App Purchase - Get the App. Winters Alum Sprint Center Sect Thermal Dispersant Coat. We also do not accept products that are hazardous materials, flammable liquids, or gases. Every rear is built with the 4.86 ring and pinion; Posi-lock pinion nut, a roller pinion nose bearing, a 31 spline aluminum spool, featureing RollerBearing on the Pinion and an HD Ring & Pinion. %%EOF For hot rods, Pro Touring cars/trucks and Drift racers, we also offer these Remote Breather & Oil Fill Tanks. Featured Products. Winters QC Aluminum 6-Bolt Center Section (Thermal Coated) 1 $859.99 #2 WIN1663-01B. 6- Right bell should now be put into position on top of . Never miss a sale on new parts, tools, and more! RTS QC units come standard with the following upgrades: UPGRADED 1350 Pinion Yoke. Download for 3D PrintingSign up to copy. !i can't wait to dive in!! We deliver worldwide and to almost all countries. <<7FFBCBCDD75396488F0DC6D5584F1145>]>> Ongoing La Nina, drought to persist, possibly expand. Learn More /// The Latest News /// Winters News | 2.12.22. !check out my brand! Youll get a reply shortly. Several types of goods are exempt from being returned. Thank you. You can also click for demonstration videos covering 7-inch rears, 8-inch rears and our V8 hot rod rears. A Worcester Red Sox graphic Two Massachusetts cities make list of "Best Places To Live In Arcola. | ShippingTo return your product, you should mail your product to: CircleTrackSupply.com304 5th Creek Road, Statesville, NC, 28625, United States. It's $500/ day to Our customers love our experienced team . Our customers love our experienced team of techs, who are ready to answer questions about Winters Quick Change performance upgrades - so you can rest easy knowing we have your back, before and after you buy from Speedway Motors. QUESTION: I built a retaining wall of used railroad ties. 4% off. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. From there, you can determine the style of gate plate you need for your project. Please note that Checkout Prices will be in US Dollars. Estimated International Ship Date: Convert your 6 spline early Ford rear axle to a quick change with this kit. Breather Kit. wink4949. Our new Sprint car "For The Win" shirts are in stock in sizes XS thru 5X! How often should I replace my rear end oil? Ring Gear 12-Bolt Rear Axle Assemblies K5063-PROMOD, Winters Performance Products Axle Assemblies 3224-01, Winters Performance Products Axle Assemblies 4063, Winters Performance Products Axle Assemblies 72260, Winters Performance Products Axle Assemblies SR2525STB, Winters Performance Products Axle Assemblies SR2535STB, Winters Performance Products Axle Assemblies 5146, Winters Performance Products Axle Assemblies K5146, Winters Performance Products Axle Assemblies K837S, Winters Performance Products Axle Assemblies SR2520SC, Winters Performance Products Axle Assemblies SR2220STB. Not Yet Reviewed. bare alum 8" short center section. 11485 The winters rear end is more traditional 2 separate axles style closed tube rear like on late models, modifieds, etc. Winter Quick Change - 69.00 Limited Supply: Only 0 Left! Sep 18, 2022 - Explore diane's board "Ravelry free patterns" on Pinterest. A: Absolutely. happy to help you! With a Winters Quick Change you can easily swap rear end ratios between highway gears to get to the track and track gears to rip it up! Q: What about brakes? item 8 Quick change center section with 4:86 ring &pinion ump asa arca hot rod rat rod Quick change center section with 4:86 ring . Also call us if you are ordering large items like race car bodies as those are hard for the freight system to calculate sometimes and it will overestimate. (Demontration video coming soon). See More Specifications This is a reverse rotation Winter rear end. Hardware and instructions are included. I want a stock-style plate but I have a reverse valve body in my transmission. Reviews Winters News Actual item may vary. Thank you for chatting with us. We offer options from reliable brands like Speedway Motors, Winters and PEM Racing. It has a beefed up centersection, heat-treated lower shaft, and 22-spline quick-change gears with a heavy rear cover. Sale items (if applicable)Only regular priced items may be refunded, unfortunately, sale items cannot be refunded. Additional non-returnable items:* Gift cards* Downloadable software products. Terms of Use | Privacy and Security | Site Accessibility Select Location, Summit Racing Equipment SpeedCard Winters recommends replacing your rear end oil every 5 races. Building a Pro-Touring or street/track Autocross car? FOOTINGS: Must comply with The Residential Code of New York State, Section 403 and R403. Industries), Diamond Track (Quick Change Exchange), Torsen, Detroit Locker; Available . 0000000416 00000 n We recommend using a high quality semi-synthetic 80-90 oil with Moly like Winters' High Performance Supreme Gear Oil by Schaeffer's, or any high quality full synthetic 75-90 gear oil. 99 On Sale Honeoye Strawberry (108) $17. Upgraded Ground 4.12 ring & pinion - it is the STRONGEST tooth count!) * Any item that is returned more than 30 days after delivery. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Please call/message during open business hours. How do I find out what R&P ratio Im running? Set center section assembly on bell, making sure center section is setting flat against bell flange with- . Exchanges (if applicable)We only replace items if they are defective or damaged, or if we made the mistake. Estimated International Ship Date: Check the balance of your gift card by entering the gift card number. See if you Prequalify. Fri: 7am - 4pm Kit includes: Center section. You can order this part by Contacting Us. HemiDeuce, Nov 11, 2014. With 29 Winters Quick Change Parts for sale, we're sure you'll find the perfect parts from our online store. A Quick Change Center Section. Replacement parts for Aluminum and Magnesium Quick Change Rear Ends. xref In all other applications you should break down, inspect and maintenance your rear end seasonally. | The standard RTS Winters QC racing unit is rated for up to 800hp safely at long-term use! Our new Sprint car "For The Win" shirts are in stock in sizes XS thru 5X! How often should I replace my quick change gears? mfg: winters performance. A: We have our own 11" vented rotors custom made by Wilwood and Corvette finned aluminum calipers.