Turbo 400 TH400 Aluminum Extreme Performance Transmission SFI 4.1 2500+ HP

The Speedmaster Turbo 400 TH400 Aluminum Competition Transmission is engineered for extreme performance applications, making it the ultimate choice for racers who demand reliability and precision. Capable of handling 2500+ HP, this transmission is built with premium materials and cutting-edge engineering to dominate on the track or off-road.

Brand:	Speedmaster
Part Number:	PCE432.1053.02
Part Type:	Automatic Transmission
Number of Gears:	Three
Valve Body Style:	Billet Aluminum Reverse Pattern Full Manual
Transmission Advertised Horsepower Rating:	2500+ HP
Torque Converter Included:	No
Trans-Brake Included:	Yes
Lock Up Compatible:	No
Transmission Pan Style:	Deep
Transmission Pan Material:	Aluminum
Transmission Pan Finish:	Black Finned
Tailshaft Length:	Standard
Input Spline Quantity:	30
Input Shaft Material:	300M Steel
Input Shaft Style:	TH400
First Gear Ratio:	2.10
Second Gear Ratio:	1.40
Third Gear Ratio:	-
Reverse Gear Ratio:	-
Clutch Hub:	Billet Steel
Transmission Case Style:	Aftermarket SFI
Transmission Case Material:	Aluminum
Transmission Case Finish:	Natural
Transmission Shield Built In:	Yes
Flexplate Shield Built In:	Yes
Fluid Fill Location:	OEM Case
Dipstick Included:	No
Safety Rating:	4.1
Quantity:	Sold individually.
Retainers Included:	Yes
Retainer Material:	Chromoly Steel
Locks Included:	Yes
Notes:	Case is SFI 4.1 Certified. Bellhousing is sold separately.

Key Features:

- SFI 4.1 Certified Aluminum Case: Ensures exceptional safety and durability in high-performance conditions.
- Billet Aluminum Reverse Pattern Valve Body: Equipped with an external trans-brake solenoid for seamless drag racing operation.
- Planetary Gear Set: Straight-cut, 4340 steel construction with a 6-pinion reaction and 5-pinion output for superior torque handling.
- Billet Components: Includes a 36-element billet aluminum drum, a billet oversized intermediate piston (10% more clamping force in 2nd gear), and a hardened 300M steel input shaft.
- High-Performance Pump Assembly: Features a billet aluminum pump with a high-rate pressure regulator for optimized fluid flow and reliability.
- Intermediate Band Eliminated: Improves durability and eliminates engine braking concerns, ideal for drag racing applications.
- Deep Aluminum Pan: Black-finned for enhanced cooling and increased fluid capacity.
- Proven Performance: Tested successfully in extreme applications, including a 540 Big Block Chevy-powered sand truck producing 1500+ HP and reaching 150 mph.
 

Why Choose This Transmission?
Whether you're competing on the drag strip or building the ultimate high-performance street machine, the Speedmaster TH400 Transmission offers unmatched reliability, precision, and strength. Its state-of-the-art design and premium components make it the gold standard for racers who demand the best.

Built For:
- Street Performance
- Drag Racing
- Off-Road Applications

Disclaimer:
The bellhousing shown in photos and videos is for illustrative purposes only and is not included with this transmission, it is sold separately.