Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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America's Oldest Speed Shop ®

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Shop Trans-Dapt At Speedway Motors

Today, Trans-Dapt Performance Products, which is now part of the Hedman group of performance companies, resides in a 100,000 square foot facility using the latest in CNC machining and CAD design to ensure that Willie Garner's philosophy of providing quality performance parts is not compromised. Whether you're a pro or sportsman racer, Trans-Dapt builds their products with one goal in mind, optimum performance.

Featured Products
Trans-Dapt 4691 1988-2000 S-10 Engine Swap Kits
Trans-Dapt 4691 1988-2000 S-10 Engine Swap Kits
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Put a 283-400 S/B Chevy in your 1988-2000 2wd S-10 or S-15 using stock 4.3L V-6 motor mounts.

Trans-Dapt 3608 Billet Wheel Adapters, 5 on 4-1/2 to 5 on 4-3/4
Trans-Dapt 3608 Billet Wheel Adapters, 5 on 4-1/2 to 5 on 4-3/4
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If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

  • Adapts 5 on 4-1/2" hubs to 5 on 4-3/4" wheels
  • Sold in pairs

720-3608 Instructions (PDF)

Trans-Dapt 3614 Billet Wheel Adapters, 5 on 5 to 5 on 4-3/4
Trans-Dapt 3614 Billet Wheel Adapters, 5 on 5 to 5 on 4-3/4
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If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

  • Adapts 5 on 5" hubs to 5 on 4-3/4" wheels
  • Sold in pairs

720-36014 Instructions (PDF)

Trans-Dapt 2180 Phenolic Open Carburetor Spacer, 1/2 Inch
Trans-Dapt 2180 Phenolic Open Carburetor Spacer, 1/2 Inch
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            These open center, 4 barrel carb spacers are designed to fit Holley 4150/4160 bolt pattern.  They are IMCA approved and are made to reduce heat conductivity for optimum performance.
  • Phenolic insulating spacer reduces heat conductivity 10 times greater than aluminum
  • Results in a denser, more powerful fuel charge to the manifold
  • Fits Holley 4150/4160 bolt pattern
  • IMCA approved
  • Includes gaskets, studs, nuts & washers

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  • Trans-Dapt 2566 Torque Curve MPFI Spacer - GM
    Trans-Dapt 2566 Torque Curve MPFI Spacer - GM
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    This spacer was designed to give you an increase in fuel mileage, torque and throttle response but with ease of installation and a great price. Most others cause unwanted turbulence and create an annoying whistle. Includes hardware and gaskets.

    1999-2006 Chevy/GMC 1500, 2500, 3500 trucks, SUVs, Tahoe, Suburban, Yukon, Escalade, Hummer H2 and Motorhomes with 4.8,5.3, 6.0 and 8.1 engines with multi-port fuel injection.

    720-2566 Instructions (PDF) 

  • Trans-Dapt 1322 Oil Cooler Block Adapter
    Trans-Dapt 1322 Oil Cooler Block Adapter
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    Fits 13/16"-16 threads. Designed to fit most small and big block Chevy V8's with recessed filter landing.

    • Oil Cooler Sandwich Adapter
    • Mounts oil filter with 13/16"-16 threads
    • 3-3/16" Filter Flange ID
    • 3-7/16" Filter Flange OD
  • Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5
    Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5
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    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 4-3/4" hubs to 5 on 5" wheels
    • Sold in pairs

    720-3612 Instructions (PDF)

  • Trans-Dapt 4961 B/B Chevy Chrome Timing Tab for 8 Inch Balancer
    Trans-Dapt 4961 B/B Chevy Chrome Timing Tab for 8 Inch Balancer
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                These Trans-Dapt chrome finished steel timing tabs fit 1965-1990 Big Block Chevy 396-454 with 8" balancer.
            
  • Trans-Dapt 4686 Vega V8 Swap Mounts Only
    Trans-Dapt 4686 Vega V8 Swap Mounts Only
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    Fits small block Chevy V8 with automatic or manual transmissions. Works with "short" style water pump. Slight modification to oil pan and car's floor pan will be needed. Minimal cutting and welding required.

    • Includes motor mount brackets, bushings, plates and rear crossmember 
    • Mounts 283-400 S/B Chevy and LT1
    • Designed for use with TH-350 automatic trans

    Note:  Will not fit angle plug heads, power steering, power brakes, air conditioning or a Powerglide transmission.

    Note:  These kits are painted from the manufacturer for photo/shipping purposes only and are intended to painted according to the installer's preference.

    720-4686 Instructions (PDF)

  • Trans-Dapt 3609 Wheel Adapters, 5 on 4-1/2 to 5 on 5
    Trans-Dapt 3609 Wheel Adapters, 5 on 4-1/2 to 5 on 5
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    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 4-1/2" hubs to 5 on 5" wheels
    • Sold in pairs

    720-3609 Instructions (PDF)

  • Trans-Dapt 4691 1988-2000 S-10 Engine Swap Kits
    Trans-Dapt 4691 1988-2000 S-10 Engine Swap Kits
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    Put a 283-400 S/B Chevy in your 1988-2000 2wd S-10 or S-15 using stock 4.3L V-6 motor mounts.

  • Trans-Dapt 4695 1967-1972 Mopar A-Body Engine Swap Kit
    Trans-Dapt 4695 1967-1972 Mopar A-Body Engine Swap Kit
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    This Mopar V8 swap kit allows you to install 340-360 motors in the ’67-’72 A body Mopars such as Cuda, Dart, Demon, Duster, Scamp, and Valiant cars that originally had a Slant-6. 

    • 1967-72 Dart, Duster, Valiant, etc. originally equipped with a Slant 6. 

    Note: The mounts can be shifted somewhat front-to-back (to allow the transmission mount to align with the transmission mount crossmember) and thus get the engine in the “stock” position. Exhaust clearance can be tricky. It is recommended to use the close-fit, factory V8 exhaust manifolds or Block-Hugger style headers to ease those issues. Clearances to other areas can be close, but can be dealt with by sourcing original V8-specific components, “massaging” the trouble areas, or acquiring aftermarket equivalents for just such a conversion. Most customers have minimal difficulty when using V8s from passenger applications.

    720-4695 Instructions (PDF)

  • Trans-Dapt 3616 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-1/2
    Trans-Dapt 3616 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-1/2
    x
                

    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 5-1/2" hubs to 5 on 4-1/2" wheels
    • Sold in pairs

    720-3616 Instructions (PDF)

  • Trans-Dapt 4037 Big Block Ford to 1953-1964 Ford Pickup Motor Mounts
    Trans-Dapt 4037 Big Block Ford to 1953-1964 Ford Pickup Motor Mounts
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                Cross bar style. Mounts Ford 332-428 (except 351/400) V8's into 1953-1964 Ford pick-up and panel trucks. Designed for 28-3⁄4" frame widths. Complete with instructions and hardware.
            
  • Trans-Dapt 3614 Billet Wheel Adapters, 5 on 5 to 5 on 4-3/4
    Trans-Dapt 3614 Billet Wheel Adapters, 5 on 5 to 5 on 4-3/4
    x
                

    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 5" hubs to 5 on 4-3/4" wheels
    • Sold in pairs

    720-36014 Instructions (PDF)

  • Trans Dapt 1018 1956-67 Chevy V8 Bolt-On Bypass
    Trans Dapt 1018 1956-67 Chevy V8 Bolt-On Bypass
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                This filter bypass fits '56 and newer Chevy blocks that originally used a canister-type filter.  Includes both 5/16" and 1/4" bolts along with o-ring and gasket.  Adapters feature 1/2" NPT female inlet/outlet threads. 

    Three items are needed for a remote oil filter assembly.

    1: Choose a remote bypass adapter to replace your oil filter.
    2: Choose a remote oil filter bracket (shown as suggestion below).
    3: Choose a hose kit (shown as a suggestion below) to connect the bypass adapter and oil filter bracket.

  • Trans-Dapt 3608 Billet Wheel Adapters, 5 on 4-1/2 to 5 on 4-3/4
    Trans-Dapt 3608 Billet Wheel Adapters, 5 on 4-1/2 to 5 on 4-3/4
    x
                

    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 4-1/2" hubs to 5 on 4-3/4" wheels
    • Sold in pairs

    720-3608 Instructions (PDF)

  • Trans-Dapt 3613 Billet Wheel Adapters, 5 on 5 to 5 on 4-1/2
    Trans-Dapt 3613 Billet Wheel Adapters, 5 on 5 to 5 on 4-1/2
    x
                

    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 5" hubs to 5 on 4-1/2" wheels
    • Sold in pairs

    720-3613 Instructions (PDF)

  • Trans-Dapt 2180 Phenolic Open Carburetor Spacer, 1/2 Inch
    Trans-Dapt 2180 Phenolic Open Carburetor Spacer, 1/2 Inch
    x
                These open center, 4 barrel carb spacers are designed to fit Holley 4150/4160 bolt pattern.  They are IMCA approved and are made to reduce heat conductivity for optimum performance.
    • Phenolic insulating spacer reduces heat conductivity 10 times greater than aluminum
    • Results in a denser, more powerful fuel charge to the manifold
    • Fits Holley 4150/4160 bolt pattern
    • IMCA approved
    • Includes gaskets, studs, nuts & washers
  • Dual Horizontal Remote Oil Filter Bracket
    Dual Horizontal Remote Oil Filter Bracket
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    Get twice the filtration capacity of a single unit with this oil filter relocator. Aluminum construction with 1/2" NPT female inlet/outlet threads. Accepts most Ford filters with 3/4"-16 thread (Fram PH8 or HP1 filters).

    Three items are needed for a remote oil filter assembly:

    1. Choose a remote oil filter bracket.
    2. Choose a remote bypass adapter to replace your oil filter.
    3. Choose a hose kit to connect the bypass adapter and oil filter bracket.
  • Trans-Dapt 1022 1968-Up Chevy Spin-On Bypass
    Trans-Dapt 1022 1968-Up Chevy Spin-On Bypass
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                Remote bypass adapters replace the bolt-on oil filter housing or the spin-on oil filter. Adapters feature 1/2" NPT female inlet/outlet threads. 

    Three items are needed for a remote oil filter assembly.

    1: Choose a remote bypass adapter to replace your oil filter.
    2: Choose a remote oil filter bracket (shown as suggestion below).
    3: Choose a hose kit (shown as a suggestion below) to connect the bypass adapter and oil filter bracket.

  • Trans-Dapt 3617 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-3/4
    Trans-Dapt 3617 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-3/4
    x
                

    If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

    Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

    • Adapts 5 on 5-1/2" hubs to 5 on 4-3/4" wheels
    • Sold in pairs

    720-3617 Instructions (PDF)

  • Trans-Dapt 4100 Chevy to Jeep Motor Mount
    Trans-Dapt 4100 Chevy to Jeep Motor Mount
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    Chevy V8s into 4 wheel drive Jeeps, model MB, CJ2, CJ3A, CJ3B, CJ5, CJ6, CJ7, and C101. Also fits some 1948-62 Utility series, station wagons, panels & Jeepsters (except J series). Frame plates weld-on.

    Chevy To Jeep Motor Mount Instructions (pdf)

  • 1956-1967 Chevy Spin-On Filter Adapter
    1956-1967 Chevy Spin-On Filter Adapter
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    Use this adapter to convert 1956-1967 V8 Chevy blocks (except Chevy II) from stock canister filter to the later spin-on style oil filter. No by-pass in this adapter.

    This adapter accepts Fram PH30 or Fram HP2, 13/16"-16 thread.

  • Trans-Dapt 11/07/95 CJS Chevy Vega V8 Conversion Kit
    Trans-Dapt 11/07/95 CJS Chevy Vega V8 Conversion Kit
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    Fits small block Chevy V8 with automatic or manual transmissions. Works with "short" style water pump. Slight modification to oil pan and car's floor pan will be needed. Minimal cutting and welding required.

    • Includes motor mount brackets, bushings, plates and rear crossmember 
    • Uncoated, full length mandrel bent headers
    • Mounts 283-400 S/B Chevy and LT1
    • Designed for use with TH-350 automatic trans

    Note: Will not fit angle plug heads, power steering, power brakes, air conditioning or a Powerglide transmission.

    720-4686 Instructions (PDF)

    418-68340 Instructions (PDF)

  • Garage Sale - Trans-Dapt 4101 Ford to Jeep Motor Mounts
    Garage Sale
    Garage Sale - Trans-Dapt 4101 Ford to Jeep Motor Mounts
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    Adapts small block (289, 302, 351W) Ford V8s into 4 wheel drive Jeeps, model MB, CJ2, CJ3A, CJ3B, CJ5, CJ6, CJ7, C101, also fits some 1948-1962 Utility series, station wagons, panels, & Jeepsters. Plates weld-on. 
     
    This is Garage Sale priced because it is missing one angled frame mount plate.
     
    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS  
  • Garage Sale - Trans-Dapt 3616 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-1/2
    Garage Sale
    Garage Sale - Trans-Dapt 3616 Billet Wheel Adapters, 5 on 5-1/2 to 5 on 4-1/2
    x
                Please view the product's page for more information
            
  • Garage Sale - Dual Horizontal Remote Oil Filter Bracket
    Garage Sale
    Garage Sale - Dual Horizontal Remote Oil Filter Bracket
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                Please view the product's page for more information
            
  • Garage Sale - Trans Dapt Vega V8 Swap Mounts Only
    Garage Sale
    Garage Sale - Trans Dapt Vega V8 Swap Mounts Only
    x
                

    Fits small block Chevy V8 with automatic or manual transmissions. Works with "short" style water pump. Slight modification to oil pan and car's floor pan will be needed. Minimal cutting and welding required.

    • Includes motor mount brackets, bushings, plates and rear crossmember 
    • Mounts 283-400 S/B Chevy and LT1
    • Designed for use with TH-350 automatic trans

    Note: Will not fit angle plug heads, power steering, power brakes, air conditioning or a Powerglide transmission.

    720-4686 Instructions (PDF)

     

    This kit is garage sale priced because it appears to have been bolted on and returned. 

     

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS