Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Automatic Transmission

Shop Muscle Car Automatic Transmission At Speedway Motors

Shift into high gear with automatic transmission parts from Speedway Motors!  Featuring tranny parts from the top brands like Lokar and TCI Automotive, Speedway Motors is your transmission mega-store.  Let Speedway help you get into Drive with a huge selection of American muscle car parts perfect for your ride and at prices that can't be beat.

Featured Products
  • MSD 2771 Harness, GM 4L70 - 2009-up
    MSD 2771 Harness, GM 4L70 - 2009-up
    (Part #5472771)
    x
                Use this harness to connect the Atomic TCU to your specific transmission.

    Installation Instructions (PDF)

    • For use with Atomic TCM
  • Painless Wiring 60109 700R4 Transmission Torque Converter Lock-Up Kit
    Painless Wiring 60109 700R4 Transmission Torque Converter Lock-Up Kit
    (Part #91064038)
    x
                Now there's an inexpensive way to automatically lock up the torque converter in 4th gear without the need for a computer. No need to worry about the speed sensor either! This 700R-4 transmission torque converter lock-up kit lets you run your carbureted engine with an economical overdrive transmission. 

    This 700R4 transmission torque convertor kit includes new 4th gear pressure switch, new converter lock-up solenoid, new vacuum control switch, new brake control switch, color coded wiring harness, factory connectors, transmission pan gasket and easy-to-follow instructions. For 700R-4 transmission application

    NOTE: Minor transmission disassembly is required.

    700R4 Transmission Lock-Up Harness Installation Instructions(PDF)

  • Ford C-4 Automatic Transmission Oil Pan Gasket
    Ford C-4 Automatic Transmission Oil Pan Gasket
    (Part #91010229)
    x
                This oil pan gasket is made to work with your Ford C-4 automatic transmission. It is .07" thick and made of rubber impregnated cork. 
    • .07" thick rubber impregnated cork gasket
    • Sold individually
    • Ford C-4 transmission
  • Derale 14010 A727 & A518 Deep Trans Pan Extended Filter Pickup Tube
    Derale 14010 A727 & A518 Deep Trans Pan Extended Filter Pickup Tube
    (Part #91023801)
    x
                

    For use with "deep" pans, this filter pickup tube allows proper pickup depth for applications where a deep pan is replacing a stock depth transmission pan. Fits most '82-'07 Dodge/Chrysler A518 (46RH, 46RE), A618 (47RH, 47RE, 48RE) and A727 (36RH, 37RH) transmissions.

    • Extends filter for use on "deep" trans pans
    • Allows proper oil pickup from pan
  • 1955-1985 Chevy Flexplate for 2-Piece Rear Main, 153 Tooth
    1955-1985 Chevy Flexplate for 2-Piece Rear Main, 153 Tooth
    (Part #577FRA112)
    x
                

    These non-SFI rated S/B Chevy automatic transmission flexplates are suggested whenever installing a new engine or transmission. These flexplates are for two-piece rear main seal engines ONLY.

    • (Internal balance, 153-tooth)
      • Dual bolt patterns, 9-3/4" and 10-3/4"
      • Flexplate O.D. 12-3/4"
      • Center Hole 2-1/2"

    Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

  • Lokar TD-3350400FM TH350-TH400 Firewall Mount Transmission Dipstick
    Lokar TD-3350400FM TH350-TH400 Firewall Mount Transmission Dipstick
    (Part #49133504)
    x
                

    This Turbo 350 or Turbo 400 transmission dipstick features braided stainless covered tubing with billet look handle and stainless hardware. Flexible design gives added mounting versatility for your TH350 or TH400 transmission.

     

  • Lokar 700R4 Hi-Tech Shifters
    From: $234.99
    Product Rating: 5.00 Stars
    Lokar 700R4 Hi-Tech Shifters
    (Part #4916700)
    x
                

    Designed for Chevy 700R4 transmission. This unique shifter features reverse and neutral safety lockout button and safety switch. 12 point installation positioning, shifter rotation for precise comfort. Brushed hi-tech aluminum knob.

    • For 700R-4 transmission application
    • Neutral Safety Switch
    • Positive Lock-Out in Park and Neutral
    • 360-degree lever rotation for extra leg room
    • Out-from-under-the-dash and away-from-the-seat lever adjustments
    • Brushed aluminum shifter knob
    • Easy-to-remove shifter knobs for simple boot installation
    • Teflon lined button in shifter knobs for smooth operation
    • Chrome-plated lever
    • Gold iridited bracketry
    • All hardware included for installation

    Tech note:  Shifter lever lengths start 3-1/2" above the top of the transmission.

  • Speedway Ford C4 Street King Transmission
    Speedway Ford C4 Street King Transmission
    (Part #57426101)
    x
                

    Speedway's Street King Ford C4  transmissions are completely remanufactured with heavy duty clutches, special shift kit, and 12" torque converter. Street King C4 transmissions are rated to 550 hp, so they'll work great behind your high-output 289, 302, or 351W small block.

    Speedway Street King C4 transmission features:

    • Handles up to 550 HP
    • 2200-2400 rpm stall 12" torque converter
    • Firm, crisp shifts from Kevlar bands and H.D. clutches
    • Street/Strip Valve Body - everyday street driving and weekend trips to the drag strip
    • Billet 6061 T6 Aluminum Pro Shift Servo - extends clutch and band life
    • Improved Lubrication Circuits - reduced heat/prolonged life
    • Chrome steel transmission pan
    • Requires a 164-tooth flexplate (not included). Transmission has a one year warranty.

    NOTE: Must also purchase block plate listed for proper torque converter engagement. 

    574-26101 Instructions (PDF)

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  • Lokar SK-6842 Midnight Series 700-R4 Auto Trans Mushroom Shifter Knob
    Lokar SK-6842 Midnight Series 700-R4 Auto Trans Mushroom Shifter Knob
    (Part #491SK6842)
    x
                
    • Smooth operation is guaranteed with Lokar's Safety Lock-Out Teflon-lined button.
    • These easy-to-remove shifter knobs have been designed for simple boot installation.
    • Knobs operate with Lokar Shifters only.
    • *Shift pattern engraved on knob meets NSRA safety requirements
  • Lokar XCINB-1763 Midnight Series Univ Horiz Rect. LED Shifter Boot Kit
    Lokar XCINB-1763 Midnight Series Univ Horiz Rect. LED Shifter Boot Kit
    (Part #491XCINB1763)
    x
                Now available, Lokar's Billet Aluminum LED Boot  Indicator with Boot in either a horizontal or vertical configuration and  in a brushed aluminum
    or black finish.  Sensor and remote kits required are sold separately.

    Features:
    • Billet Aluminum
    • Used in conjunction with Lokar Sensor and Remote kits (sold separately) or other compatible sensor kits
    • Long Life LED Indicators
    • Displays transmission position in engaged gear only
    • Color-coded wiring instructions for easy installation
    • Available for most GM, Ford and Chrysler transmissions

    Installation Instructions (PDF)

  • Lokar FMS6700CLP Floor Mount Trans Shifter, 700-R4, 12 Inch, Pol. Knob
    Lokar FMS6700CLP Floor Mount Trans Shifter, 700-R4, 12 Inch, Pol. Knob
    (Part #491FMS6700CLP)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar CINB-1790 Vert. Rect. LED Shifter Boot Indicator, 4L60E/4L80E
    Lokar CINB-1790 Vert. Rect. LED Shifter Boot Indicator, 4L60E/4L80E
    (Part #491CINB1790)
    x
                
    • CNC machined from 6061-T6 billet aluminum. Programmable circuit board. Cable operated for flexibility in mounting. Features color coded wiring for easy installations. Compatible with Lokar transmission shifters. Back-up light circuit and neutral safety switch are built in. Long life LED indicators.
    • CNC Machined From 6061-T6 Billet Aluminum
    • Programmable Circuit Board
    • Cable Operated For Flexibility In Mounting
    • Color Coded Wiring For Easy Installation
    • Compatible w/Lokar Transmission Shifters
    • Back-Up Light Circuit Built In
    • Neutral Safety Switch Built In
    • Long Life LED Indicators

    Installation Instructions (PDF)

  • Lokar FMS6200RBN Floor Mount Trans Shifter, 200-4R, 16 In., Black Knob
    Lokar FMS6200RBN Floor Mount Trans Shifter, 200-4R, 16 In., Black Knob
    (Part #491FMS6200RBN)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar TD-345RFEFM Hi-Tech Trans Dipstick, 45RFE, Firewall Mount
    Lokar TD-345RFEFM Hi-Tech Trans Dipstick, 45RFE, Firewall Mount
    (Part #491TD345RFEFM)
    x
                

    You have flexibility with our Teflon-lined Flexible Braided Stainless Transmission Dipstick. Kit comes complete with braided stainless outer housing and heat resistant E-Z to read flexible inner dipstick measuring cable. Inner cable is molded with appropriate trans fluid levels. Billet aluminum handle and billet aluminum fittings complement Lokar's Flexible Engine Dipsticks. Kit includes dipstick funnel adapter to assist in filling.

    • Designed for "push in" style transmissions.
    • Dipstick seals with double O-rings.
    • Applications available for GM, Ford and Chrysler in both firewall mount
    • Firewall mount measures 24" in length.  Kit comes complete with installation instructions.
    • C-4 Pan is screw in style.
  • Lokar SK-6908 Midnight Series Ford AOD Trans Black Shifter Knob
    Lokar SK-6908 Midnight Series Ford AOD Trans Black Shifter Knob
    (Part #491SK6908)
    x
                
    • Smooth operation is guaranteed with Lokar's Safety Lock-Out Teflon-lined button.
    • These easy-to-remove shifter knobs have been designed for simple boot installation.
    • Knobs operate with Lokar Shifters only.
    • *Shift pattern engraved on knob meets NSRA safety requirements
  • Lokar XTD-3518TM Midnight Hi-Tech Trans Mount Dipstick, Chrysler 518
    Lokar XTD-3518TM Midnight Hi-Tech Trans Mount Dipstick, Chrysler 518
    (Part #491XTD3518TM)
    x
                

    You have flexibility with our Teflon-lined Flexible Braided Stainless Transmission Dipstick. Kit comes complete with braided stainless outer housing and heat resistant E-Z to read flexible inner dipstick measuring cable. Inner cable is molded with appropriate trans fluid levels. Billet aluminum handle and billet aluminum fittings complement Lokar's Flexible Engine Dipsticks.

    • Kit includes dipstick funnel adapter to assist in filling.
    • Designed for "push in" style transmissions. Dipstick seals with double O-rings.
    • Applications available for GM, Ford and Chrysler in transmount.
    • Firewall mount measures 24" in length.
    • Transmount mounts to the bell housing and the length varies according to the transmission application.
    • Kit comes complete with installation instructions.
    • Call for information on custom lengths and applications.
    • C-4 Pan is screw in style.
  • Lokar XATS6400BP Midnight Series Auto Trans Shifter, TH-400, 16 Inch
    Lokar XATS6400BP Midnight Series Auto Trans Shifter, TH-400, 16 Inch
    (Part #491XATS6400BP)
    x
                
    • Positive Lock-Out In Park And Neutral
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash/Away From The Seat Lever A
    • Away From The Seat Lever Adjustments
    • Easy To Remove Shifter Knobs
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar KD-2AODU72 Ford AOD Trans Universal Kickdown Cable Kit, 72 Inch
    Lokar KD-2AODU72 Ford AOD Trans Universal Kickdown Cable Kit, 72 Inch
    (Part #491KD2AODU72)
    x
                
    • Add More Shine To Your Engine Compartment
    • Specially Extruded Liner For Extended Cable Life
    • Aluminum Fittings
    • Polished Ferrule Eliminates Frayed Cable Ends
    • Adaptable For All Types Of Manifolds
    • Lifetime Warranty
  • Lokar FMS64R70WE8 Floor Mount Shifter, 4R70W/AODE, 8 Inch, 8-Ball Knob
    Lokar FMS64R70WE8 Floor Mount Shifter, 4R70W/AODE, 8 Inch, 8-Ball Knob
    (Part #491FMS64R70WE8)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar FMS64L80FM Floor Mount Trans Shifter, 4L80E, 6 In, Mushroom Knob
    Lokar FMS64L80FM Floor Mount Trans Shifter, 4L80E, 6 In, Mushroom Knob
    (Part #491FMS64L80FM)
    x
                The Floor Mount Automatic Transmission Shifter follows in the footsteps of its parent transmission mount and tailmount shifters, having been designed with the same superior craftsmanship. The exclusive floor mount brackets allow for installation above or below the floor on the transmission tunnel. Kit includes splined shift arm with three optional offset arms for mounting to right or left. Removal of the transmission is not necessary. Floor Mount Shifter is equipped with the expected safety features of a Lokar Shifter.
    Features:
    • Operates with solid adjustable linkage
    • Neutral Safety Switch
    • Positive Safety-Lock-Out in Park and Neutral
    • 360-degree lever rotation for extra leg room
    • Out from under-the-dash and away-from-the seat-lever adjustments
    • Easy-to-remove shifter knobs for simple boot installation
    • Teflon lined button in shifter knobs for smooth operation
    • Gold iridited bracketry
    • All hardware included for installation
    • Available for GM automatic transmissions
    • Rectangular boot rings sold separately
  • Lokar FMS6904EL Floor Mount Shifter, Chrysler 904, 8 Inch, Lokar Knob
    Lokar FMS6904EL Floor Mount Shifter, Chrysler 904, 8 Inch, Lokar Knob
    (Part #491FMS6904EL)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar FMS6AODFB Floor Mount Trans Shifter, Ford AOD, 6 In., Black Knob
    Lokar FMS6AODFB Floor Mount Trans Shifter, Ford AOD, 6 In., Black Knob
    (Part #491FMS6AODFB)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar FMS6FMXFP Floor Mount Trans Shifter, Ford FMX, 6 In, Piston Knob
    Lokar FMS6FMXFP Floor Mount Trans Shifter, Ford FMX, 6 In, Piston Knob
    (Part #491FMS6FMXFP)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar XS-68149 Midnight Series Automatic Trans Shifter Lever, 10 Inch
    Lokar XS-68149 Midnight Series Automatic Trans Shifter Lever, 10 Inch
    (Part #491XS68149)
    x
                
    • Lokar Shifter Lever
    • Made In The U.S.A.
    • Lifetime Warranty
  • Lokar FMS6518BB Floor Mount Shifter, Chrysler 518, 16 Inch, Black Knob
    Lokar FMS6518BB Floor Mount Shifter, Chrysler 518, 16 Inch, Black Knob
    (Part #491FMS6518BB)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar FMS6727FP Floor Mount Shifter, Chrysler 727, 6 Inch, Piston Knob
    Lokar FMS6727FP Floor Mount Shifter, Chrysler 727, 6 Inch, Piston Knob
    (Part #491FMS6727FP)
    x
                
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar XFMS6AODFB Midnight Series Floor Mount Shifter, Ford AOD, 6 Inch
    Lokar XFMS6AODFB Midnight Series Floor Mount Shifter, Ford AOD, 6 Inch
    (Part #491XFMS6AODFB)
    x
                Join the car enthusiasts who have experienced superior craftsmanship with Lokar's automatic transmission shifter. When you buy a shifter, think about safety. Lokar believes in safety first and foremost when it comes to building a shifter from the park position, into reverse, drive and low gears with Lokar's exclusive safety lock-out button. It's convenient, and this shifter is completely adjustable so that you can mount it in any number of positions front or rear with our exclusive main plate and side brackets. Mount the shifter in an existing floor opening or put it exactly where you want it.
    • Operates w/Solid Adjustable Linkage
    • Positive Safety-Lock-Out
    • 360 Deg. Lever Rotation For Extra Leg Room
    • Out From Under The Dash Lever Adjustments
    • Away From The Seat Lever Adjustments
    • Gold Iridited Bracketry
    • Chrome Plated lever Available
  • Lokar XFMS6700DM Midnight Series Floor Mount Shifter, 700-R4, 10 Inch
    Lokar XFMS6700DM Midnight Series Floor Mount Shifter, 700-R4, 10 Inch
    (Part #491XFMS6700DM)
    x
                The Floor Mount Automatic Transmission Shifter follows in the footsteps of its parent transmission mount and tailmount shifters, having been designed with the same superior craftsmanship. The exclusive floor mount brackets allow for installation above or below the floor on the transmission tunnel. Kit includes splined shift arm with three optional offset arms for mounting to right or left. Removal of the transmission is not necessary. Floor Mount Shifter is equipped with the expected safety features of a Lokar Shifter.
    Features
    •  Operates with solid adjustable linkage
    •  Neutral Safety Switch
    •  Positive Safety-Lock-Out in Park and Neutral
    •  360-degree lever rotation for extra leg room
    •  Out from under-the-dash and away-from-the seat-lever adjustments
    •  Easy-to-remove shifter knobs for simple boot installation
    •  Teflon lined button in shifter knobs for smooth operation
    •  Gold iridited bracketry
    •  All hardware included for installation
    •  Available for GM automatic transmissions
    •  Rectangular boot rings sold separately
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