Tci ez tcu

Author: e | 2025-04-24

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TCI Auto TCI EZ-TCU TCI - Stealth Ride

TCI 6 Speed Automatic An interesting thing that I ran into this week. I went over to my engine builder and we got TCI on the phone to order the 6 speed transmission. so we were on the phone with TCI going down the check list of can the 6 speed automatic handle the 800 foot pounds of torque, "check". Can it handle a 1000 hp ," check". Does it has engine braking , NO !!! what--- ,NO-- he says again. Brakes squealing full stop. WTF they claim it is for pro touring and racing ???? Drag racing I guess . So who thought that was a good idea??. The take away from this is be sure you ask a lot of questions and have a check list of what you need and want and don't ASSUME anything. 6x Six-SpeedSix forward gears & fully programmable automatic or manual shifting for improved acceleration & fuel economy at cruising speedsEZ-TCU™ Transmission Controller & 4-speed automatic shifter needed for standard automatic operationSelf-contained design eliminates clearance problems of external bolt-on overdrivesCompatible with all Chevy Small Block, Big Block & LS engines, as well as Chrysler & Ford - from stock to over 850 horsepowerDescription Chrysler Ford GM Misc Applications Pontiac Using the latest developments in drivetrain technology, TCI® has developed an innovative automatic transmission for Pro Touring, street and all-out race vehicles. Designed for GM SBC, BBC, LS and Pontiac applications, as well as Fords and Chryslers, the 4L80E-based TCI® 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2.97, 2.23, 1.57, 1.18, 1.00, 0.75) for quicker acceleration and increased fuel economy at cruising speeds and is capable of handling up to 850 horsepower. These versatile transmissions from TCI® feature a compact design, allowing them to work in a variety of performance applications. Originally designed for GM applications, TCI® now offers complete kits available for Ford, Chrysler and Pontiac engines. When used with the required TCI® EZ-TCU™ Transmission Controller and harness for shift point programming and the optional TCI® Paddle Shifter or Outlaw™ 2-Button Shifter set-up for manual mode gear selection, this automatic transmission gives vehicles the most functional and modern drivetrain combination on the market. To ensure durability, TCI® engineers run each transmission across a hydraulic tester valve body dyno and computer-controlled transmission dyno to ensure proper line pressures and top notch transmission performance. Proof of this Triple Testing process is included with each transmission, shipped in the form of individual serialized spec sheets containing test scores. In addition, each TCI® transmission utilizes the patented HDT Coating™ for cooler operating temperatures and improved drivetrain efficiency. Don't use that. Call Bowler.-Dale SchwartzPerformanceThe leader in bolt-in muscle car chassisSchwartzPerformance.com

TCI Automotive TCI EZ-TCU Automatic Transmission

Anyone try the TCI 6X 6speed Was wondering if anyone had tried 6X 6speed by TCI thinking about it for my car....... would love to hear thoughts Those who do evil to others - the killers, the rapists, psychos, sadists - will come to know me well. Frank Castle is dead. Call me The Punisher I havent heard anything bad about it, but for what they are asking for one i am not suprised. I have 6X in my 64 Vette. 6X is a close ratio automatic transmission. 2nd - 5th gear is similar to manual M20 close ratio tranmission. RPM retension between shifts is unmatched by any A4 automatic. Notice the drive ratio in each gear with 3.55 rear gear and what rear gear a T56 6 sp manual car would need to match the 6X ratio wise in 4th gear as well as come close in 2nd & 3rd. T56's 1st gear is it's only gear with better mechanical advantage than 6X, but it may be a little to much advantage as RPM lost between 1st to 2nd gear is huge even with perfect shift, taking engine out of it's power band. My 64 still has a 3.54 1:1 5th gear for a little more top end. 6X has average lost of 1600 RPM between shifts. Shift at 6500 RPM and engine RPM only falls back to 4900 +/- 100 RPM. Less converter stall needed, that may hurt 60" time when drag racing at strip, but sure doesn't hurt street fun factor...LOLTCI 6X2.97 2.23 -- 76.10% (high) RPM Retention -- 23.90% RPM DROP1.57 -- 70.40% (high) RPM Retention -- 29.60% RPM DROP1.18 -- 75.16% (high) RPM Retention -- 24.84% RPM DROP1.00 -- 84.75% (high) RPM Retention -- 15.25% RPM DROP0.75 -- 75.00% (high) RPM Retention -- 25.00% RPM DROPTCI 6X, 3.55 rear gear 1st gear2.973.5510.542nd gear2.233.557.923rd gear1.573.555.574th gear1.183.554.195th gear1.003.553.556th gear0.753.552.66 T56 man1st gear2.664.1911.150.602nd gear1.784.197.46-0.463rd gear1.304.195.45-0.134th gear1.004.194.190.005th gear0.744.193.10-0.456th gear0.504.192.10-0.57Car only has 360 Peak HP at rear wheels, Converter is stalled at 2800 RPM so not much more flash than stock. You can hear engine rpm drop very few RPM between 1st/2nd and 3rd/4th shifts. When car shifted into 5th near top of the hill it was doing 132 MPH per tuners data logger. Use of Old School mechanical advatage to help make up for not having a lot of HP. 6x doesn't have engine braking. I also have the older 6X package that uses old TCI Red Box controler rather than TCI's EZ-TCU™ Transmission Control Unit currently shifted with trans. I believe the Red Box has more control over shifts than EZ does. Also stores two tunes selectable by use of toggel switch on dash to switch between a

TCI EZ-TCU (TCI ) - Fast Lane Spares

Demand for TCU football tickets has been growing as their continue to win games on the field. The biggest home crowds show up for the SMU Mustangs, or top Big 12 rivals like Tech, Baylor Oklahoma State Get in tickets to top Frogs home game start at $150+ per ticket. Other games are available for $25 per ticket, particularly the early, non-marquee games.TCU fans have high expectations for the team in 2025, as they are once-again loaded with talented football players from across the Lone Star State. Expectations in Fort Worth are for the Frogs to be in competition to earn a spot in the Big 12 Championship Game. A dream season for TCU would be to win the Big 12, which would put them in contention for a spot in the CFP or another major bowl game. TCU has played in over 30 bowl games in their storied history, and their fans are hoping to add another bowl game to their tally this season.TCU vs SMU is a big game and one that has been played since 1915 (when TCU won 43-0 over the Ponies). It is one of the most intense rivalry games in college football, when these two schools battle to be the top team in the Dallas Metroplex. TCU and SMU are a mere 40 miles away, so the crowds that show up when they play represent both schools well whether the game is at Amon Carter in Fort Worth or at Ford Field in Dallas.TCU tickets are available to purchase for all home games at Amon G. Carter Stadium, as well as, Frogs road games, neutral site games and bowl games. There are typical a variety of good seats listed for sale for a TCU home game including premium seats at Midfield on the TCU Side (Sections 104-106) and those same quality of tickets behind the Visitors Bench (Sections 123-125). Fans can choose to purchase an individual Frogs game, or purchase TCU Season Tickets which includes all 2025 regular-season home games.TCU Games at Amon Carter StadiumTCU football tickets are available to buy for home games at Amon G. Carter Stadium in Fort Worth, Texas. Amon Carter is a great old football stadium that opened back in 1930, but has been renovated extensively in recent years. It has a capacity of 50,000 fans for a Frogs home game. The best seats at Amon Carter are the 100-level, which includes Sections 101-137. Sections 103-106 are premium sideline seats on the TCU side of the field. The stadium has a large 200-level deck on the East side that includes Sections 226-238. On the West side there is small 200-level club section, a tiny 300-level level premium sections and then an upper-deck which has sections 401-416. The cheapest tickets for a TCU home game are he upper-level corner, including Sections 413-416, which is often where the visiting team is seated. The TCU Horned Frogs home bench is on the Amon G. Carter Stadium sideline along sections 101-109. Student seating. Tcu wiring tci ez harnessTai ez tcu tci ez-tcu transmission control unit by fast tci Tci ez tcu4l60 tci controller tcu ez trans kit ls1tech. Tai ez tcu tci ez-tcu transmission control unit 4l60 tci controller tcu ez trans kit ls1tech Tci ez-tcu 4l60 trans controller kit Tci ez-tcu tci ez tcu. TCU BANK. Tcu ez wiring diagram tci receive come when will Tci tcu ez Fs new

TCI EZ-TCU Installation - YouTube

Moderators: jsmcortina, muythaibxr vinnysnova Helpful MS/Extra'er Posts: 38 Joined: Thu May 02, 2013 4:05 pm ez-tcu can bus Can I use can communication with the newer can enabled ez-tcu and ms3x? it would make the install a lot cleaner. Thanks for any info vinnysnova Helpful MS/Extra'er Posts: 38 Joined: Thu May 02, 2013 4:05 pm Re: ez-tcu can bus Post by vinnysnova » Mon Nov 04, 2013 3:55 pm Thank you for the quick reply, I am waiting on this to drive the car for the first time jsmcortina Site Admin Posts: 39876 Joined: Mon May 03, 2004 1:34 am Location: Birmingham, UK Contact: Re: ez-tcu can bus Post by jsmcortina » Mon Nov 04, 2013 4:56 pm They gave me a partial answer earlier. Seems that the CAN is only used for the paddle shifter - nothing else.I replied asking for more detail, but they haven't got back to me.James

Download TCI EZ-TCU Manual

TCI GM Speedometer Gears 880031 TCI GM Speedometer Gears 880031 Speedometer Gear, Driven, 43-Tooth, Dark Blue, Style H, GM, 125, 200-4R, TH200, 350, 375, 400, 425, 700R4, Each Part Number: TCI-880031 4.73 out of 5 stars ( 11 ) Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880012 TCI GM Speedometer Gears 880012 Speedometer Gear, Driven, 39-Tooth, Brown, GM, 200C, 350C, 375B, TH425, TH400, TH475, 700R4, Each Part Number: TCI-880012 5.0 out of 5 stars ( 9 ) Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880011 TCI GM Speedometer Gears 880011 Speedometer Gear, Driven, 38-Tooth, Blue, GM, 200C, 350C, 375B, TH425, TH400, TH475, 700R4, Each Part Number: TCI-880011 4.82 out of 5 stars ( 11 ) Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today ACDelco GM Genuine Parts Speedometer Gears 03987920 ACDelco GM Genuine Parts Speedometer Gears 03987920 Speedometer Gear, Driven 20-Tooth, Nylon, Blue, GM, 700R4, TH200, TH250, TH400, Each Part Number: ADO-3987920 4.0 out of 5 stars ( 1 ) Estimated USA Ship Date: Apr 17, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 17, 2025 Estimated International Ship Date: Today ATP Speedometer Gears YA-15 ATP Speedometer Gears YA-15 Speedometer Gear, Driven 19-Tooth, Plastic, White, GM, 700R4, TH200, TH250, TH400, Each Part Number: ATP-YA15 Not Yet Reviewed Estimated USA Ship Date: Mar 31, 2025 Estimated International Ship Date: Apr 3, 2025 Estimated USA Ship Date: Mar 31, 2025 Estimated International Ship Date: Apr 3, 2025 TCI GM Speedometer Gears 880032 TCI GM Speedometer Gears 880032 Speedometer Gear, Driven, 45-Tooth, Light Blue, GM Turbo-Hydromatics, Each Part Number: TCI-880032 4.37 out of 5 stars ( 19 ) Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880028 TCI GM Speedometer Gears 880028 Speedometer Gear, Driven, 40-Tooth, Black, GM Turbo-Hydromatics, Each Part Number: TCI-880028 4.53 out of 5 stars ( 19 ) Estimated USA Ship Date: Apr 23, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 23, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880030 TCI GM Speedometer Gears 880030 Speedometer Gear, Driven, 42-Tooth, Green, GM Turbo-Hydromatics, Each Part Number: TCI-880030 4.5 out of 5 stars ( 14 ) Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880013 TCI GM Speedometer Gears 880013 Speedometer Gear, Driven, 44-Tooth, Gray, GM Turbo-Hydromatics, Each Part Number: TCI-880013 4.42 out of 5 stars ( 12 ) Estimated USA Ship Date: Apr 24, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 24, 2025

transmission controller. TCI EZ TCU

The store will not work correctly when cookies are disabled. FREE Shipping on orders over $50* TCI StreetFighter 700R4 Trans Package Constant Pressure VBody StreetFighter TCI Universal GM TH400 StreetFighter 4" Tailshaft Non Lock-Up This TCI Auto Performance Chevrolet Constant Pressure 4-speed 700R4 Mechanical Overdrive Transmission Package Includes Trans, Converter, Dipstick, Detent Downshift Cable, and Fluid The TCI 700R4 StreetFighter Transmission for Chevy engine applications is tough enough to withstand the rigors of the toughest street machines up to 500 ft lbs of torque with a non-supercharged system using pump gasoline. Equipped with a TCI contant pressure valve body, this solves the issue of mis-adjusted TV cables causing early failure. The TV cable is only used to adjust shift points and not regulate line pressure. This unit allows you to manually shift the vehicle into each gear change or, by placing it in the drive position, remain fully automatic. This gives you racetrack shifts and shaves time off your ETs.Features & Benefits:• Special clutches & bands increase durability; new sprags/roller clutches increase holding capacity• Improved lubrication system increases fluid sent to planetaries and internals• Includes a chrome-plated transmission pan with embossed TCI® logo • Higher line pressure for extra firm shifts & greater torque capacity with less slippageIncludes TCI Constant Pressure Valve Body to ensure that clutches and bands are applied firmly to eliminate slippage. TCI universal wiring kit comes installed and may be wired independent of the vehicle computer. This also allows for easy retrofit into earlier non 700R4 equipped applications. 700R4 StreetFighter Transmission Package 371000P3 includes Super StreetFighter Converter 2000+ RPM increase in stall over stock. This complete package Includes Trans, Converter, Dipstick, Detent Downshift Cable, and Fluid. More Information UPC 788120036832 Manufacturer TCI® Emissions Code

Tci Ez Tcu - manuallinnetajiw.z21.web.core.windows.net

Estimated International Ship Date: Today TCI GM Speedometer Gears 880029 TCI GM Speedometer Gears 880029 Speedometer Gear, Driven, 41-Tooth, Mustard, GM Turbo-Hydromatics, Each Part Number: TCI-880029 4.44 out of 5 stars ( 9 ) Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today Estimated USA Ship Date: Tuesday 3/18/2025 Estimated International Ship Date: Today ACDelco GM Genuine Parts Speedometer Gears 03987919 ACDelco GM Genuine Parts Speedometer Gears 03987919 Speedometer Gear, Driven 19-Tooth, Nylon, White, GM, Muncie, Powerglide, Saginaw, TH350, Each Part Number: ADO-3987919 4.94 out of 5 stars ( 17 ) Estimated USA Ship Date: Apr 14, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 14, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880007 TCI GM Speedometer Gears 880007 Speedometer Gear, Driven, 34-Tooth, LIght Green, GM, Powerglide, Each Part Number: TCI-880007 5.0 out of 5 stars ( 11 ) Estimated USA Ship Date: Apr 22, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 22, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880009 TCI GM Speedometer Gears 880009 Speedometer Gear, Driven, 36-Tooth, Pale Green, GM, Powerglide, Each Part Number: TCI-880009 3.83 out of 5 stars ( 6 ) Estimated USA Ship Date: Apr 23, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 23, 2025 Estimated International Ship Date: Today TCI GM Speedometer Gears 880010 TCI GM Speedometer Gears 880010 Speedometer Gear, Driven, 37-Tooth, Burgundy, GM Turbo-Hydromatics, Each Part Number: TCI-880010 4.83 out of 5 stars ( 6 ) Estimated USA Ship Date: Apr 22, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 22, 2025 Estimated International Ship Date: Today ACDelco GM Genuine Parts Speedometer Gears 03987921 ACDelco GM Genuine Parts Speedometer Gears 03987921 Speedometer Gear, Driven 21-Tooth, Nylon, Red, GM, Muncie, Powerglide, Saginaw, TH350, Each Part Number: ADO-3987921 4.47 out of 5 stars ( 15 ) Estimated USA Ship Date: Apr 17, 2025 Estimated International Ship Date: Today Estimated USA Ship Date: Apr 17, 2025 Estimated International Ship Date: Today. Tcu wiring tci ez harnessTai ez tcu tci ez-tcu transmission control unit by fast tci Tci ez tcu4l60 tci controller tcu ez trans kit ls1tech. Tai ez tcu tci ez-tcu transmission control unit 4l60 tci controller tcu ez trans kit ls1tech Tci ez-tcu 4l60 trans controller kit Tci ez-tcu tci ez tcu. TCU BANK. Tcu ez wiring diagram tci receive come when will Tci tcu ez Fs new

TCI EZ-TCU Instructions - manualzz

The New Smart Wireless TCi Timing System. The TCi System represents years of refinement in wireless timing. Designed to capture, store and display testing data for individuals and teams. Easily test large groups of athletes (up to 1000) with precise results. Great for timing the 40-yard dash, 5-10-5, L drill, combine testing, and interval testing. Can add up to 20 split beams for scientific testing and custom applications.TCi System: Up to 1000 unique athlete ID numbers with 1000 Athlete Memory Up to 20 splits Better Channel separation when using multiple systems in the same area Improved user interface Backward compatible with components from 2009-2017 TC systemsSmartphone Interface Upgrade: iOS and Android compatible, free and unlimited app downloads Automatically upload times from TCi Timer to Smartphone in real time Automatically match athlete name with time Sortable results based on time, athletes or run number Allows for control of timing from smartphone Exports results to CSV fileTCi Smart Start:The TCi Smart Start provides the fastest most accurate way to start an athlete using motion sensing technology. Entering the athlete’s unique id number allows you to keep track of results on the timer and smart phone app. Select one of five starting modes, also compatible with microphone and mechanical switches. NOTE: SMART START MIC ONLY WORKS WITH A SMART START UNIT. Motion Start with keypad for entering athlete number Automatically starts new time from the Smart Start False starts are ignored 5 Modes for starting Compatible with Microphone or mechanical switchesChoose from 4 system packages or individual components in the selection list.TCi-Timing System: 1 TCi-Timer, 1 TCi-Smart Start, 1 TC-Gate w/tripodsTCi-Timing System Smartphone: 1 TCi-Timer, 1 TCi-Smart Start, 1 TC-Gate w/tripods, and TCi-Smartphone InterfaceTCi-2 Gate System: 1 TCi-Timer, and 2 TC-Gates w/tripodsTCi-2 Gate System Smartphone: 1 TCi-Timer, 2 TC-Gates w/tripods, and TCi-Smartphone InterfaceHand Free Display: comes with a clamp that can attach to any structure (tripod not included) and it can also act as a kickstand.for other spare parts, please call us.PLEASE ALLOW 3-4 WEEKS FOR THIS ITEM TO SHIP. DISPLAY CLOCK IS SOLD SEPARATE (not part of any package), PLEASE ADD IT TO YOUR CART AS AN OPTION.THE SMARTPHONE FEATURE IS HARDWIRED, YOU CANNOT ADD IT TO A NON-SMARTPHONE MODEL WITHOUT SENDING YOUR UNIT TO THE MANUFACTURER, MAKE SURE YOU ORDER THE CORRECT UNIT.Timer unit only = Basic timing unit - NOT smartphone model. Add the "Smartphone interface only" to the "Timer

Tci ez-tcu - Pro-Touring.com

Navigating the TCI Auto Frequently Asked Questions (FAQs) Center is Easy. Simply click on the questions below in red to take you to the answer. Please do not hesitate to call TCI® at 800 999 0853 or E-mail us if you have any additional questions. Should I use an external transmission cooler in conjunction with the oil cooler supplied in the radiator? What is the correct size cooler for my application? Where should I mount a transmission cooler? What type of clearance should I have between the torque converter and flexplate before pulling the converter forward and bolting it to flexplate? Is there an ideal way to measure the converter and transmission outside the car to make sure you should have the proper clearance between the converter and the flex plate before installation? Should I replace the front seal and bushing in my transmission before installing the new TCI® converter I just purchased? Should the brake lines for the TCI® "Roll Stop" be installed in the firewall side or the wheel cylinder side of the proportioning block on later model vehicles? What does the term "Lock-Up" mean? What about the Lock-Up feature in the overdrive units that TCI® offers? Doesn't my vehicle need an onboard computer (ECM) to work these newer transmissions? What is the difference in the terms "Flash Stall" and "Foot-Brake Stall"? What does the vacuum modulator do? Is there a right way or a wrong way to hook up my vacuum modulator? Are there any adjustments that can be made to the modulator?Should I use an external transmission cooler in conjunction with the oil cooler supplied in the radiator?ANSWER: Unless operating in an environment where the outside temperature is below 0°F, you should cap off the radiator cooler line openings and run your cooler lines directly to a new cooler mounted in front of the radiator. This allows the transmission to have its own cooling system and doesn't allow the engine water temperature to heat the fluid.What is the correct size cooler for my application?ANSWER: Unlike a lot of items you buy for your vehicle, bigger is predominately better when it comes to transmission coolers. The answer would be as big as you can get or to run multiple coolers in series, again staying away from the factory radiator cooler lines. Where should I mount a transmission cooler?ANSWER: TCI® highly recommends mounting your external transmission oil cooler in front of the radiator. This allows for adequate airflow. If this is not possible then you should mount it in a location where the cooler can receive airflow. In extremely tight quarters, you may also mount the cooler and build an air dam that would allow the cooler to. Tcu wiring tci ez harnessTai ez tcu tci ez-tcu transmission control unit by fast tci Tci ez tcu4l60 tci controller tcu ez trans kit ls1tech. Tai ez tcu tci ez-tcu transmission control unit 4l60 tci controller tcu ez trans kit ls1tech Tci ez-tcu 4l60 trans controller kit Tci ez-tcu tci ez tcu. TCU BANK. Tcu ez wiring diagram tci receive come when will Tci tcu ez Fs new

TCI Wireless EZ-TCU Transmission

Soil,gravel and cobble conditions. Gravel,Loose rock and cobble have always been a challenge to navigate with offset bits and flat blades, but the center "scoop" design... Radius Rock Bit - 5000 series 8" pilot hole 3-1/2" API Reg Pin connection Our most versatile tool delivers greater steering and control in soft conditions while letting you navigate loose rock and solid rock conditions, too. Combined with our patented Hot Shot pull-back adaptor, it's one of the most popular bits on the market... TCI Tricone, New - 6.25" dia. 3.5" API Reg Pin SB600S TCI Tricone, New - 6.25" dia. 3.5" API Reg Pin SB600S Focus Mill Tooth Tricone - 6-1/2" dia. 3-1/2 API Reg Pin, SB117S Focus Mill Tooth Tricone - 6-1/2" dia. 3-1/2 API Reg Pin, SB117S Radius PDC Bit, 5.625 3Blade,2.875 API Reg Pin Radius PDC Bit, 5.625 3Blade,2.875 API Reg Pin Focus TCI Tricone - 5.5" Focus TCI Tricone - 5.5"2.875" API Reg Pin, SB6375S Single Roller Cone bit - 4500 series 2-7/8" API Reg Pin Our proprietary design delivers better steering than any competitive bit, while a carbide-covered steering plate and additional carbide on the face delivers better grinding capabilities for your loose rock jobs.Thread Connection:2-7/8" Reg... Radius Rock Bit - 6500 series 10" pilot 4-1/2" API Reg Pin connection Our most versatile tool delivers greater steering and control in soft conditions while letting you navigate loose rock and solid rock conditions, too. Combined with our patented Hot Shot pull-back adaptor, it's one of the most popular