BD Diesel 1604721 Features:

Performance shift kit for the Allison 1000 valve body to improve pressures and shifting.

Installation recommendation: Experienced technician; Includes our exclusive Smart Trim/Clutch Control valve assemblies and items to modify the C2 clutch piston for increased capacity and more durability. The C2 clutch is the weakest part of the early 5 Speed Allison; Addresses goes to neutral under load; 3-4 slip; burned C2/C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts & amp; kickdowns; Handles 500 Street Horsepower

• Aluminum pressure plugs in Valve Body replace stock plastic pressure plugs preventing blow out
• BD aluminum Deep Sump Oil Pan allows for an additional 6qt of fluid capacity and better cooling
• Billet Steel Cover
• Enhanced Stall Stator
• Furnace Brazed Turbine for increased strength and lower RPM response
• Heavy duty low/reverse snap ring
• Machined front pump to prevent cross leaks
• Package Includes ProForce Torque Converter
• Upgraded converter clutch regulator spring increases Torque Converter Clutch apply pressure
• Upgraded hardened steel Pressure Regulator Valve prevents run-away reverse pressure/case lug blow out/and gear slipping
• Upgraded larger late model sump filter installed for better filtration