Turbo 400 Performance Racing Transmissions by FTI Performance – FTI Level 5 TH400 Performance Racing Transmissions are built with Unbeatable Performance & Durability. 800HP Rated TH400-52SPUB: Level 5 Turbo 400 Transmission, 2 Speed Conversion, Billet Transbrake Valvebody, SFI Certified Ultrabell housing TH400-52SPUBC: Level 5 Turbo 400 Transmission, 2 Speed Conversion, Billet Transbrake Valvebody, CUT for bolt on bellhousing NOTE: This is a 2 speed only TH400 Transmission. This transmission requires a Powerglide Shifter to properly operate.  Shift Pattern: Forward, PRN21. Factory ratios are 1.48:1 1st gear, 1.00:1 2nd gear. Details: Rated for 2000HP Race Prepped Factory Case Billet Output Shaft Ermet Input Shaft Billet Intermediate Shaft Pro-Mod Aluminum Direct Drum 36 Element Oversized Sprague Billet aluminum Valve Body Billet Clutch Blocker for 2 Speed conversion FTI Sportsman Transbrake Reverse Shift Pattern Performance Red race Clutches Deep Aluminum Pan Rollerized Output Shaft(Case to output) Street/Strip  5 Clutch Intermediate Core Charge: A $350 core charge option has been included for this transmission. Once a core has been recieved and processed, a refund for the core charge will be issued.