Performance Automatic PA45103 4R70W Super Comp Transmission - Engine Builder Magazine

Performance Automatic PA45103 4R70W Super Comp Transmission

Performance Automatic transmissionPerformance Automatic takes a state of the art approach to putting a “Ford in a Ford” for those who choose a Big Block 429-460 Ford engine and want to run the extremely durable 4R70W Ford Overdrive transmission. Performance Automatic has a new version of its 4R70W Super Comp Trans; the PA45103 is sporting a new custom designed steel SFI Pro Fit Bellhousing (PA45500) which will accept all torque converter configurations and an OEM style starter and flexplate.

The PA45103 4R70W Super Comp Trans has Perfromance Automatic’s full manual transbrake with valve body with manual lock up and overdrive controls, no transmission controller required. Inside this Trans we use Raybestos Racing Clutches, a large overdrive servo, hardened stub shaft, Raybestos Pro Series Wide Band, special drum and diode, a deep aluminum pan and Kolene Steels. This 4R70W Super Comp Trans is rated to handle over 750 horsepower! From Street to Strip, the PA45103 is what you need to put your Big Block Ford into Overdrive.

You May Also Like

Elgin Chrysler Hemi Engine Hydraulic Lifter/Guide Assemblies

Elgin Pro-Stock OE-quality hydraulic roller lifter/guide assemblies for 2004-newer Chrysler Hemi engines without MDS cylinder deactivation.

Elgin Industries’ Elgin Pro-Stock range of performance parts now includes OE-quality hydraulic roller lifter/guide assemblies for 2004 and newer Chrysler Hemi engines without Multiple Displacement System (MDS) cylinder deactivation. This includes non-MDS 5.7L, 6.1L and 6.4L engines, model years 2004 and newer, and replaces OE #5038787AD (lifter) and #53021721AA (guide). Each is pre-assembled for fast, accurate drop-in installation.

Isky Dual Valve Spring Set

These sets feature drop-in installation and are wound from chrome silicon wire.

Holley’s Sniper 2 EFI Platform Gains Bluetooth Capability

Tech advancement brings even greater affordability and ease of use to Holley’s popular Sniper 2 EFI ecosystem.

Klotz Announces 2024 Product Catalog

By the time Klotz products reach your engine, it’s spent countless hours on the dyno and proven on the racetrack.

Pakelo Racing Transmission DLS A Lubricant

This product is Pakelo’s baseline IndyCar gearbox lubricant. It provides outstanding performance and greatly reduces drivetrain loss.

Other Posts

Diesel Transmissions for Performance Applications

Today’s diesel crowd is using their truck like a truck, and like a toy too, which requires a robust transmission.

Firepunk diesel transmission
Schaeffler to Support Automotive Transmission Service Group Education

Schaeffler to provide ATSG members with ongoing education and technical resources.

Scribner Plastics’ Cylinder Head Containers

Scribner Plastics’ cylinder head storage/shipping container fits small block, big block and most Pro Stock cylinder heads.

Breather Valley Plates for LS Engines by LS Classic

Precision machined from aluminum, these plates replace the stock valley plates found on Gen III and Gen IV LS engines.