J.W. Performance Transmission Components

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    • (0 reviews)
      # sp115893
      "The Wheel" Flexplate by J.W. Performance®. The best! Flexplate available for your engine period! Made from O. 188" thick Chromoly steel with a hand fitted and welded ring gear, these flexplates are the most winning flexplate in NHRA...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $257.72 - $284.72
    • (0 reviews)
      # sp116648
      Ultra-Comp Torque Converter by J.W. Performance®. It is very important to check your torque converter to flexplate clearance when installing the torque converter. With the transmission fully bolted to the engine block, there should be...
      Fully Furnace Brazed Pump and TurbineFull Torrington Bearings
      $700.65 - $1,606.50
    • (0 reviews)
      # sp115939
      Pro-Comp Automatic Transmission Assembly by J.W. Performance®. Bell housing: Ready for Ultra-Bell. These transmissions build on the same features as the Ultra-Comp Series but add: Pro-Tree Aluminum Valve Bodies and many other upgrades,...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $2,686.50 - $5,265.00
    • (0 reviews)
      # sp115950
      Street Lethal Automatic Transmission Assembly by J.W. Performance®. Often referred to as the "Little Brother" of the TH400, the TH350 is an ideal transmission for many applications. From street cars to race cars, circle track to drag...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,363.50 - $2,146.50
    • (0 reviews)
      # sp21723
      Ultra-Bell Bellhousing by J.W. Performance®. Over 5 times stronger then OEM, since 1993 the Ultra-Bell has been an excellent safety alternative ti bulky external shields. Made from high quality T6 cast Aluminum these bellhousings come...
      High quality at an affordable priceExpertly made from premium materials
      $328.05 - $565.65
    • (0 reviews)
      # sp115960
      Ultra-Case Automatic Transmission Assembly by J.W. Performance®. Quite possibly the BEST powerglide transmission you can get your hands on! With multiple combinations available can build you a transmission that can handle any amount of...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $2,685.69 - $6,871.50
    • (0 reviews)
      # sp115949
      Street Lethal 11" Torque Converter by J.W. Performance®. HP Level: 500. These torque converters are ideally suited for your hot rod. With stall ranges between 2200 - 3000 RPM's these converters are sure to be a great performance...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $417.15 - $525.15
    • (0 reviews)
      # sp115911
      Competition Stock Case Automatic Transmission Assembly by J.W. Performance®. Pan: Stock. Input Shaft: PG. Case Type: Full OEM, Stock Bellhousing. Length: Long. J.W. Performance offers Powerglide transmissions with complete OEM cases....
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,147.50 - $1,694.25
    • (0 reviews)
      # sp115917
      Full Manual Valve Body by J.W. Performance®. Manual valve bodies completely eliminate all automatic features of the transmission. These valve bodies eliminate the need for vacuum, and also remove the governor from the transmission. Most...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $250.92 - $539.87
    • (0 reviews)
      # sp115936
      Planetary Set by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $243.00 - $2,010.02
    • (0 reviews)
      # sp115935
      Planetary Pin Set by J.W. Performance®. Complete 6 Pin. With Locking Ring. Includes: 6 - Pins, 1 - Retainer Ring with Screws. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $55.57
    • (0 reviews)
      # sp115930
      Performance Automatic Transmission Assembly by J.W. Performance®. The big brother of the Ford C4, the Ford C6 is a great transmission for racing, 4 x 4, street use and towing. The C6 is available for Small Block, and Big Block (385...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,216.35 - $2,902.50
    • (0 reviews)
      # sp115921
      Hi-Flow Transmission Oil Filter by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $19.24 - $31.24
    • (0 reviews)
      # sp115946
      Steel Clutch Hub Without Holes by J.W. Performance®. Upgrade #1 for any Powerglide! Billet Steel High Gear Clutch hub. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $71.42
    • (0 reviews)
      # sp115951
      Street Lethal Drag Free Automatic Transmission Assembly by J.W. Performance®. Forward Manual Pattern Valve. HP Rating: 400 HP. Often referred to as the "Little Brother" of the TH400, the TH350 is an ideal transmission for many...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,621.08 - $1,822.50
    • (0 reviews)
      # sp115934
      Planetary Gear Kit by J.W. Performance®. Piece your own planetary together and save! J.W. Performance offers 1.80, 1.76 and 1.69 gear sets f or those looking to build their own gear sets. Designed with precision and functionality in...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $877.50 - $1,046.25
    • (0 reviews)
      # sp115944
      Sportsman 10" Torque Converter by J.W. Performance®. HP Level: 550hp. Spline: Turbo. These performance torque converters are great for any small block, foot brake application. Cost effective, with stall ranges between 3000 - 3800 rpms...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $526.50 - $538.65
    • (0 reviews)
      # sp115909
      Competition Automatic Transmission Assembly by J.W. Performance®. Often referred to as the "Little Brother" of the TH400, the TH350 is an ideal transmission for many applications. From street cars to race cars, circle track to drag...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,471.50 - $2,444.85
    • (0 reviews)
      # sp115937
      Powerglide Direct Drive Coupling by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $349.65
    • (0 reviews)
      # sp115945
      Steel Clutch Hub by J.W. Performance®. Billet Steel Design greatly reduces center intermediate spline damage. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $165.92
    • (0 reviews)
      # sp115926
      Mileage 12" Torque Converter by J.W. Performance®. Stall: 1600-1800. Designed for RV and towing vehicles. With enhanced torque multiplication and an improved lockup, they provide better pulling power, lower RPM's, and more miles per...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $295.65 - $344.25
    • (0 reviews)
      # sp115927
      More Than 500 HP Steel Clutch Hub by J.W. Performance®. Billet Steel High Gear Clutch hub, use with drum part number 10905. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $79.52
    • (0 reviews)
      # sp115923
      Input Shafts with Splines by J.W. Performance®. J.W. Performance offers a m u ltitude of input shaft options for many automatic transmissions. 300M, Vasco and Hy-Tuff material options are available for horsepower a p plications up to...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $283.50
    • (0 reviews)
      # sp115942
      Short Overhaul Kit by J.W. Performance®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction.
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $53.73 - $107.84
    • (0 reviews)
      # sp115922
      Input Shafts by J.W. Performance®. J.W. Performance offers a m u ltitude of input shaft options for many automatic transmissions. 300M, Vasco and Hy-Tuff material options are available for horsepower a p plications up to 3000hp!.
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $199.80 - $415.80
    • (0 reviews)
      # sp115972
      Replacement Trans-Brake Solenoid by J.W. Performance®. Always good to have a spare! Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $121.47 - $147.02
    • (0 reviews)
      # sp115912
      Deep Transmission Pan Kit by J.W. Performance®. An essential upgrade to any transmission, not only do deep pans provide increased fluid capacity, they greatly reduce the possibility of cavitation by submerging the oil pickup deeper...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $147.29 - $241.38
    • (0 reviews)
      # sp115901
      12" Performance Torque Converter by J.W. Performance®. Stall: 2000-2200. Spline: Turbo. Designed for Mild Street Performance vehicles, these torque converters provide an increased stall over factory for better launches and 60 foot...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $310.50 - $357.75
    • (0 reviews)
      # sp115953
      Torqueflite Automatic Transmission Assembly by J.W. Performance®. HP Rating: 550hp. Often considered to be "the original racing automatic", the TF727 or TFS continues to be a formidable transmission for all kinds of racing...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $1,876.50 - $2,835.00
    • (0 reviews)
      # sp115907
      Circle Track Automatic Transmission Assembly by J.W. Performance®. Often referred to as the "Little Brother" of the TH400, the TH350 is an ideal transmission for many applications. From street cars to race cars, circle track to drag...
      Built using the most technologically advanced equipmentMade from highly durable materials to last for a long time
      $2,160.00 - $2,227.50




    J. W. Performance is a preeminent manufacturer of transmissions and their components for circle track, drag, and off-road racers, as well as street and strip enthusiasts. Since its inception in 1976, J. W. Performance has strictly followed its goal to offer the finest-quality products. Driven by such values, the company has managed to create product innovations such as “The Wheel”, “Ultra-Bell”, and the “Ultra-Case.” Its extensive product line runs the gamut from superior valve bodies, bellhousings, and flexplates to crankshaft adapter sleeves, billet pistons, and servo covers.

    The founder of the company, John Winters Sr., has been very passionate about vehicles, especially about race cars, since his childhood. And when he launched his own company specializing in repairing automatic transmissions, John Winters Sr. started to strongly promote his products to racers of the Southeastern United States. John Winters Sr. also campaigned a drag racing ride at NHRA National and Divisional events. His constant strive to push J. W. Performance forward through designing and testing new products led to the success and quick expanding of the company in the 1980’s.

    During 1983 the company built a 10,000 square foot facility in Rockledge, Florida. In 6 years, the company felt the need for further expansion and additional 10,000 square feet were added to its facility. Later, J.W. Performance Transmissions has enlarged its territory to 20,000 square feet. Today the company possesses a 40,000 square foot facility and is operated by the second generation of John Winters Sr.’s family, which follows the same goals as its predecessors. Standing at the head of the company, John, Jr. and Tracy, have a clear vision of its future development. John, Jr. manages the transmission and valve body departments, while Tracy holds the position of the Vice-President of Sales/Marketing and business development.

    As the automotive industry moves fast, so does J.W. Performance. To keep abreast of the latest market trends, John, Jr., who is an avid bracket racer, offers a detailed insight for new parts, while Tracy is involved in D.R.A.W., an organization that helps racers. She also s

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