1979 GMC Jimmy Performance Transmissions

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    • (0 reviews)
      # 73966080
      GMC Jimmy 1979, II Series Clutch Pressure Plate by Centerforce®. Push Type Clutch. Rear Main Seal Style: 2-Piece. 3 Clutch Bolt Pattern. The Centerforce® II Clutch Series utilizes a full facing disc with premium friction materials and...
      Patented centrifugal weight design (where applicable)Patented ball bearing pressure plate (where applicable)
      $263.95 - $319.95
    • (0 reviews)
      # 11109529
      GMC Jimmy Automatic Transmission 1979, Holeshot Torque Converter by B&M®. The B&M HoleShot converters are an excellent choice for improving acceleration and increasing drivetrain strength in virtually any street machine. An added...
      Furnace brazed impeller and turbineNew precision steel pump drive tube
      $274.02 - $599.75
    • (0 reviews)
      # 257280320
      GMC Jimmy 5.0L / 5.7L Standard Transmission without Factory Flywheel 1979, Prolite Flywheel by ACT®. This product is a Prolite flywheel, which is ACT's lighter flywheel offering with lowest inertia. Prolite flywheels are designed for...
      Dramatically improved engine response and acceleration, mild to moderate gear rattleHeat-treated forging for strength and toughness, induction-hardened ring gears for maximum life
      $273.00 - $335.00
    • (1 review)
      # 693689282
      GMC Jimmy 1979, Street and Strip Automatic Transmission Assembly by B&M®. It is a complete ready-to-run unit for high performance street and mild strip use. The transmission provides firm shifts and features a standard shift pattern.
      Rebuilt front pumpAll new B&M high performance friction plates
      $1,175.93 - $1,211.97
    • (0 reviews)
      # 87539503
      GMC Jimmy 1979, Full Manual Valve Body by TCI®. The competition valve body was designed for maximum performance and quick elapsed times in racing applications. By controlling the valve body only through manual means, quicker shift...
      Designed for maximum performance & quick ETsQuicker shift timing is perfect for race applications
      $221.14 - $279.67
    • (0 reviews)
      # 87539342
      GMC Jimmy Automatic Transmission 1979, Circle Track FastLap Torque Converter by TCI®. Looks aren’t everything…but with regards to torque converters, they can hide the secret to winning races. For sanctioning bodies that mandate the...
      Satisfy requirements of “stock appearing” converterDesigned with positive lock-up stall speed to eliminate approximately 10% of power robbing slippage
      $270.39 - $430.44
    • (0 reviews)
      # 73966066
      GMC Jimmy 1979, I and II Series Clutch Disc by Centerforce®. Push Type Clutch. Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style: 2-Piece. Centerforce brings together high-quality friction materials and patented processes to...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $138.95 - $139.95
    • (0 reviews)
      # mpn358579246
      GMC Jimmy THM400 Transmission 1979, Aluminum Pan by Transmission Specialties®. With Spacer and Bolts. Depth: Deep. Designed utilizing the latest technology, this product by Transmission Spesialties features premium quality and will...
      High quality at an affordable priceExpertly made from premium materials
      $118.61
    • (0 reviews)
      # 148968963
      GMC Jimmy Automatic Transmission 1979, StreetFighter™ Valve Body by TCI®. The valve body of a transmission is often called the control valve and has been modified and updated through the years. TCI® selects and uses only the valve...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $203.16 - $340.59
    • (0 reviews)
      # 606053332
      GMC Jimmy 1979, Ultra-Cool™ Transmission Oil Cooler Kit by Hayden®. This product is an effective and economical way to keep your transmission at its optimum operating temperature. The high-efficiency turbulators in every tube direct...
      Compatible with OEM cooler systemsUltrasonically soldered for reliability
      $25.39 - $72.17
    • (0 reviews)
      # 74326887
      GMC Jimmy 5.0L / 5.7L Standard Transmission with Internal Balanced Flywheel 1979, DYAD Drive System Series Twin Disc Clutch Kit by Centerforce®. Includes: Pressure Plate, Floater, Alignment Tool, Bolts, Discs, Pilot Bearing, Flywheel....
      ARP hardware for unparalleled fastener strength and durabilityCentrifugal assisted pressure plate, tuned for Diesel engines
      $1,624.30 - $1,624.95
    • (0 reviews)
      # 73966106
      GMC Jimmy 1979, Dual Friction Clutch Disc by Centerforce®. Push Type Clutch. Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style: 2-Piece. The Centerforce Dual Friction Clutch Series is a performance matched pressure plate and...
      Patented centrifugal weight designPatented Dual Friction design
      $183.95 - $229.95
    • (0 reviews)
      # 118711505
      GMC Jimmy THM400 Transmission 1979, SuperCase® Lightweight Transmission Case by ATI Performance®. With Sensor Ports. The SuperCase is an SFI certified transmission case for Powerglide and Turbo 400 transmissions. The case, bellhousing,...
      Heavy-duty 356-T6 cast aluminum case meeting SFI 4.1 specs with no internal or ternal shield neededMade in the USA and machined in-house at ATI using only two fixturing set-ups to provide optimum accuracy
      $1,876.27 - $2,156.52
    • (0 reviews)
      # 568066712
      GMC Jimmy THM400 Transmission 1979, SuperCase® Tailhousing by ATI Performance®. With Roller Bearing. The SuperCase is an SFI certified transmission case for Powerglide and Turbo 400 transmissions. The case, bellhousing, and tailhousing...
      Heavy-duty 356-T6 cast aluminum case meeting SFI 4.1 specs with no internal or ternal shield neededMade in the USA and machined in-house at ATI using only two fixturing set-ups to provide optimum accuracy
      $227.49 - $264.03
    • (0 reviews)
      # 568086874
      GMC Jimmy THM400 Transmission 1979, SuperCase® Transmission Case by ATI Performance®. The SuperCase is an SFI certified transmission case for Powerglide and Turbo 400 transmissions. The case, bellhousing, and tailhousing are cast from...
      Heavy-duty 356-T6 cast aluminum case meeting SFI 4.1 specs with no internal or ternal shield neededMade in the USA and machined in-house at ATI using only two fixturing set-ups to provide optimum accuracy
      $1,736.15 - $1,825.83
    • (0 reviews)
      # 87539520
      GMC Jimmy Automatic Transmission 1979, Saturday Night Special Torque Converter by TCI®. Non Lock-Up. The popular Saturday Night Special® Torque Converter delivers premium performance at a reasonable cost. A great choice for show cars...
      400-500 RPM increase in stall over stockQuicker acceleration and improved low end power to run more smoothly
      $274.37 - $358.21
    • (0 reviews)
      # 606025526
      GMC Jimmy 1979, Transmission Oil Pan by B&M®. Depth: Deep. Add fluid capacity to your transmission. Extra fluid means more cooling, and more cooling means better efficiency and performance. Add life to your transmission with a B&M Deep...
      Extra oil capacity – more coolingNo modifications to dipstick needed
      $59.25 - $173.28
    • (0 reviews)
      # 87539511
      GMC Jimmy 1979, Pro Super Overhaul Kit by TCI®.
      High quality at an affordable priceExpertly made from premium materials
      $275.80 - $288.96
    • (0 reviews)
      # mpn1655908
      GMC Jimmy Automatic Transmission 1979, QuickSilver™ Automatic Shifter by B&M®. Finish: Black/Chrome. You want style and stout performance wrapped up in a classic package? The B&M QuickSilver shifter is your answer! This...
      Cable operated for quick installation and accurate shiftingCan be used with a reverse pattern valve body
      $307.36
    • (0 reviews)
      # mpn358591626
      GMC Jimmy Automatic Transmission 1979, Non-Locking Transmission Dipstick by TCI®. Finish: Black. Designed utilizing the latest technology, this product by TCI features premium quality and will perform better than advertised. Perfect for...
      High quality at an affordable priceExpertly made from premium materials
      $35.28
    • (0 reviews)
      # mpn358591278
      GMC Jimmy THM350 Transmission 1979, PRO-X™ Aluminum Tailhousing by TCI®. With Roller Bearing. New superior tailhousing design provides added support and lubrication for driveshaft and tailshaft in high-speed drag racing...
      High quality at an affordable priceExpertly made from premium materials
      $249.19
    • (0 reviews)
      # 73966104
      GMC Jimmy 1979, DFX Series Clutch Pressure Plate by Centerforce®. Push Type Clutch. Size: 11". Rear Main Seal Style: 2-Piece. 3 Clutch Bolt Pattern. The Centerforce DFX® Clutch Series is the competition-proven clutch package for select...
      Light pedal effortPatented centrifugal weight system
      $318.71
    • (0 reviews)
      # 724022153
      GMC Jimmy Automatic Transmission 1979, MR Series™ Mud Racing Torque Converter by FTI®. 1 Piece. Non Lock-Up. 9.5" Diameter. FTI is the first to engineer a converter designed specifically for the mud race applications of today where an...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $681.00
    • (0 reviews)
      # 196060035
      GMC Jimmy 1979, Transmission Cooling Pan by Derale Performance®. Derale's Transmission Cooling Pan uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. This pan features brazed,...
      Heavy gauge stamped steel constructionTwo stage heat dissipating black finish
      $160.42 - $167.57
    • (2 reviews)
      # 605978562
      GMC Jimmy 1979, High Performance Transmission Oil Cooler Kit by Hayden®. Featuring a lightweight aluminum construction, this high performance transmission oil cooler is designed to provide outstanding cooling, as well as complement...
      SAE 45 degree fittings for maximum reliabilityElectrostatically powder coated to prevent corrosion
      $37.65 - $47.10
    • (0 reviews)
      # 155864810
      GMC Jimmy THM400 Transmission 1979, Super Hydra 400™ Transmission Case by Reid Racing®. The Turbo 400 is the favored 3-speed transmission today for high horsepower applications because of its light weight, minimal drag, and its...
      Full 360° lugsImproved billet pressure plate
      $1,575.46 - $1,680.56
    • (0 reviews)
      # mpn2741037396
      GMC Jimmy 5.0L 4-Speed 1979, Manual Transmission Case by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $537.89
    • (0 reviews)
      # 73966100
      GMC Jimmy 1979, DFX Series Clutch Disc by Centerforce®. Push Type Clutch. Disc Outer Diameter: 11". Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style: 2-Piece. Centerforce brings together high-quality friction materials and...
      Light pedal effortPatented centrifugal weight system
      $262.95
    • (0 reviews)
      # mpn457981782
      GMC Jimmy Base 4.1L / 5.0L / 5.7L Standard Transmission 1979, Stage 1 Street Series Steel Backed Facing Clutch Kit by Competition Clutch®. The Competition Clutch Stage 2 Street Series clutch kit provides an estimated 20-40% increase in...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $215.14
    • (0 reviews)
      # 87539484
      GMC Jimmy Automatic Transmission 1979, Breakaway Torque Converter by TCI®. Non Lock-Up. The first step into serious high performance, the Breakaway® is a great torque converter for moderately modified street machines and weekend racers...
      1,000+ RPM increase in stall over stockHarder launches and quicker acceleration
      $358.01 - $417.73
    • (0 reviews)
      # mpn1884186
      GMC Jimmy Standard Transmission with Muncie Transmission 1979, MasterShift™ Manual Shifter by Hurst Shifters®. 3-Speed. Does not Include: installation kit. Knob Type: White Knob. Exclusive advanced gear shift mechanism design for...
      Advanced Gear Shift MechanismChrome Stick with White Knob
      $242.98
    • (0 reviews)
      # 73966085
      GMC Jimmy 1979, Light Metal Series Clutch Disc by Centerforce®. Push Type Clutch. Disc Outer Diameter: 11". Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style: 2-Piece. The Centerforce® LMC Clutch Series is a specifically...
      Lightweight aircraft grade aluminumReplaceable friction surface
      $184.18
    • (0 reviews)
      # mpn358732538
      GMC Jimmy 6.6L Standard Transmission with Chevy Small Block Gen I Engine 1979, 900/300 Series Powergrip Clutch Disc by RAM Clutches®. Disc Outer Diameter: 11". Input Shaft Spline: 1 1/8" x 26 Teeth. Disc Center Style: Sprung. Disc Type:...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $299.59
    • (0 reviews)
      # 1087018491
      GMC Jimmy 5.0L / 5.7L Standard Transmission without Factory Flywheel 1979, XACT™ Streetlite Flywheel by ACT®. This product is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering...
      Noticeably improved engine response and acceleration, OE to mild gear rattleHeat-treated forging for strength and toughness, induction-hardened ring gears for maximum life
      $281.00 - $304.00
    • (0 reviews)
      # 73966071
      GMC Jimmy 1979, I Series Clutch Kit by Centerforce®. Includes: Pressure Plate, Disc, Tob, Pilot Bearing, Bolts, Alignment Tool. Disc Outer Diameter: 11". Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style: 2-Piece. 3 Clutch...
      Patented centrifugal weight design (where applicable)High quality friction material
      $360.95
    • (0 reviews)
      # 492645746
      GMC Jimmy THM350 Transmission 1979, Street Rodder™ Automatic Transmission Assembly by TCI®. The economical TCI® Street Rodder™ is ideal for vehicles that are powered by engines producing 350 to 450 horsepower, depending on the...
      Perfect for daily drivers and mild street rodsValve Body Improver Kit creates a more firm, yet not too harsh shift in the vehicle and remains fully automatic
      $972.64 - $1,129.10
    • (1 review)
      # 568061785
      GMC Jimmy Automatic Transmission 1979, MegaShifter™ Automatic Shifter by B&M®. You can have B&M shifter performance with the Console MegaShifter. This shifter features full ratchet action performance, a lighted gear position...
      Cable operated for quick installation and accurate shiftingReverse lockout feature meets NHRA and IHRA requirements
      $338.18 - $340.06
    • (0 reviews)
      # 1093389290
      GMC Jimmy 1979, Rapid-Cool™ Transmission Oil Cooler Kit by Hayden®. This premium transmission oil cooler features a unique plate and fin design, which is 33% more efficient than a comparable tube and fin design. Thanks to its patented...
      Compatible with OEM cooler systemsMade with the highest quality materials
      $40.14 - $52.34
    • (0 reviews)
      # 1093370302
      GMC Jimmy 1979, Rapid-Cool™ Transmission Oil Cooler with Thermal Bypass by Hayden®. This premium transmission oil cooler features a unique plate and fin design, which is 33% more efficient than a comparable tube and fin design. Thanks...
      Compatible with OEM cooler systemsUnique plate and fin design
      $56.99 - $69.37
    • (0 reviews)
      # mpn1646010
      GMC Jimmy Automatic Transmission 1979, Pro Ratchet™ Automatic Shifter by B&M®. This is the ultimate race shifter. If you're looking for a stout shifter – designed, developed, and refined by the company that invented race shifters...
      Quick And Easy To OperateReverse Lockout Meets NHRA And IHRA Requirements
      $303.07
    • (0 reviews)
      # mpn358591358
      GMC Jimmy Automatic Transmission 1979, Drag Race Torque Converter by TCI®. Diameter: 10". Torque Converter Bolt Pattern: Small. TCI® 9", 10" and 11" Drag Race Torque Converters can be run in applications with up to 750 horsepower and...
      Furnace-brazed and reinforced fins increase durabilityNeedle bearings reduce drag & increase thrust capacity
      $689.13
    • (0 reviews)
      # mpn4507534413
      GMC Jimmy Standard Transmission 1979, Street 450 Clutch Kit by Hays®. Includes: Pressure Plate, Clutch Disc, Throwout Bearing, Alignment Tool, Instructions. Does not Include: Pilot Bushing. Disc Outer Diameter: 12". Input Shaft Spline:...
      Great drivability for power levels up to 450 horsepowerSmooth, chatter-free operation using top quality organic composite friction surface material
      $229.95
    • (0 reviews)
      # 257280293
      GMC Jimmy 1979, Aluminum Flywheel by Centerforce®. Flywheel Tooth Number: 168. Product Weight: 15.6 lbs. Size: 14.096". Rear Main Seal Style: 2-Piece. 3, 2 Clutch Bolt Pattern. Aluminum flywheels are manufactured from aircraft-grade...
      Aircraft grade billet aluminumMechanically retained starter ring gear
      $629.41
    • (0 reviews)
      # 73966091
      GMC Jimmy 1979, Steel Flywheel by Centerforce®. Push Type Clutch. Flywheel Tooth Number: 168. Product Weight: 31.2 lbs. Size: 14.096". Rear Main Seal Style: 2-Piece. 2, 3 Clutch Bolt Pattern. Steel flywheels are manufactured from high...
      High Quality Billet SteelCAD/CAM designed and CNC machined
      $423.97
    • (0 reviews)
      # mpn1655912
      GMC Jimmy Automatic Transmission 1979, Unimatic™ Automatic Shifter by B&M®. Want to turn your column shifter into a floor shifter and still retain that performance ‘flavor?’ The Unimatic shifter is just the ticket! It looks...
      Ideal as a column shifter replacementCable-operated design makes for easy installation
      $182.19
    • (0 reviews)
      # 492684382
      GMC Jimmy Automatic Transmission 1979, Flexplate by Hays®. Material: Billet Steel. Hays heavy-duty Flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand...
      Designed to withstand up to 1,500 lbs. ft of torqueOne-piece billet steel design with specialized ring gear heat treatment and thicker than stock centerplate
      $89.95 - $99.95
    • (0 reviews)
      # 87539537
      GMC Jimmy Automatic Transmission 1979, Super StreetFighter™ Torque Converter by TCI®. Non Lock-Up. This line of performance converters was developed to work with many GM, Ford and Chrysler transmissions. They offer many advantages to...
      2,000+ RPM stall speed over stockHigher RPM launches and lower ETs
      $485.47 - $572.58
    • (0 reviews)
      # mpn4488055577
      GMC Jimmy THM400 Transmission 1979, Deep Aluminum Pan Kit by FTI®. Without Hardware. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $84.99
    • (0 reviews)
      # 148968464
      GMC Jimmy 1979, Chrome-Plated Automatic Transmission Pan by TCI®. Depth: Stock. Material: Steel. Finish: Chrome. These stock-depth TCI® replacement pans can spice up the undercarriage of any vehicle. The included drain plug makes...
      Stock depth is easy to installIncludes drain plugs
      $65.08 - $65.27
    • (0 reviews)
      # 965805065
      GMC Jimmy Automatic Transmission 1979, Flexplate by B&M®. Teeth Quantity: 168. B&M’s Flexplates are designed to handle high levels of torque in both street and racing applications. B&M’s SFI approved plates, featuring .150” thick...
      Quality flexplates for both street (non-SFI) & racing (SFI) applicationsSFI spec 29.1 Approved flexplates are legal for applicable nhra and ihra classes
      $93.76 - $102.29
    • (0 reviews)
      # 73966087
      GMC Jimmy 1979, Light Metal Series Clutch Pressure Plate by Centerforce®. Push Type Clutch. Size: 11". Rear Main Seal Style: 2-Piece. 3 Clutch Bolt Pattern. The Centerforce® LMC Clutch Series is a specifically designed low inertia...
      Lightweight aircraft grade aluminumReplaceable friction surface
      $681.00
    • (0 reviews)
      # 122102009
      GMC Jimmy Standard Transmission 1979, 300 Series Clutch Disc by RAM Clutches®. Disc Outer Diameter: 11". Disc Center Style: Sprung. Each disc features a high strength eight spring hub assembly utilizing the patented Poly-coil urethane...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $211.54
    • (0 reviews)
      # 1087226428
      GMC Jimmy Standard Transmission 1979, 300 Series Race Clutch Disc by RAM Clutches®. Disc Outer Diameter: 11". Disc Center Style: Sprung. Disc Type: Full-Circle. Each disc features a high strength eight spring hub assembly utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $211.54
    • (0 reviews)
      # 73966102
      GMC Jimmy 1979, DFX Series Clutch Kit by Centerforce®. Push Type Clutch. Includes: Pressure Plate, Alignment Tool, Disc. Does not Include: Flywheel. Disc Outer Diameter: 11". Input Shaft Spline: 1 1/8" x 10 Teeth. Rear Main Seal Style:...
      Light pedal effortPatented centrifugal weight system (where applicable)
      $528.95
    • (0 reviews)
      # 492657392
      GMC Jimmy 1979, Valve Body Performance Improvement Kit by TCI®. Non Lock-Up. This value priced kit allows you to upgrade your transmission for added performance in street, off-road or towing applications. The Valve Body Performance...
      High quality at an affordable priceExpertly made from premium materials
      $60.46 - $75.19
    • (0 reviews)
      # 87539474
      GMC Jimmy Automatic Transmission with Small Block Chevy Engine 1979, Forged Flexplate by TCI®. Designed utilizing the latest technology, this product by TCI features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $104.92 - $119.71
    • (0 reviews)
      # 492784757
      GMC Jimmy 1979, Circlematic Automatic Transmission Assembly by TCI®. In the past, manual transmissions were the popular choice for circle track racing, but TCI® has found that there are several advantages to running a TCI®...
      Proven weight and cost savings, improved performance over standard 4-speed circle track transmissionsRace proven performance advantages include improved response off turns, quicker engine pick-up; increased throttle response in corners and on restarts
      $1,187.57 - $1,280.96
    • (0 reviews)
      # mpn358591389
      GMC Jimmy THM350 Transmission 1979, Circlematic Transmission and FastLap Torque Converter™ Package by TCI®. 2-Speed. Circle track racers looking for the ultimate transmission/ torque converter package will find the TCI® TH350 2-Speed...
      Perfect choice for asphalt or dirt racing competition classes that mandate use of GM TH350 transmissionsReduces engine RPM by 300-400 to provide better temperature control
      $1,471.29
    • (0 reviews)
      # 148968524
      GMC Jimmy 1979, Drag Race Full Manual Automatic Transmission Assembly by TCI®. Designed for the extreme high performance street or all out race car, these Full Manual Competition Transmissions will give you consistent shifts as well as...
      Extreme performance clutches and nitrided steel plates for enhanced performanceHigh-performance powerbands provide greater torque capacity and more positive shifts and band apply
      $1,258.74 - $1,747.03
    • (0 reviews)
      # 492695239
      GMC Jimmy 1979, Drag Race Transbrake Automatic Transmission Assembly by TCI®. Designed for the serious full-tree bracket racer, TCI® Transbrake Transmissions deliver the quickest and most consistent reaction times in the business....
      Full manual valve bodies with full race clutches & bands allow for quicker shift timing and the ability to run higher line pressures than with an automatic shift transmissionHigher line pressure makes it more difficult for clutches to slip under high loads
      $1,613.61 - $2,503.12




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    1979 GMC Jimmy Performance Transmissions Reviews

    Average rating:  5  5 - 2 reviews
    5 of 5
    Lucas Oil
    Great product easy to install low price.
    APosted by Arnold Ray (Pembroke, GA) / August 19, 2017
    2007 Chevy Malibu
    Was this review helpful for you? Yes
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