Boost Leash
Boost Leash Boost Controller
1 Gallon Jug
Perfect For Powerglide, TH400, C4, 4R70, and 727 Torqueflite Transmissions.
Boost Guard High Performance Transmission Fluid is a single grade lubricant blended from quality virgin base oils and a high performance additive package. It meets many requirements of a premium transmission fluid at a moderate cost. It is recommended for ambient temperatures between 32°F and 104°F (0°C and 40°C). This formulation is designed for use in high performance transmission applications.
Made in the USA
Amazing product , great customer service, and fast shipping
Over 100 passes on a very mild th400 behind 800 hp and it takes 4 to 5 seconds to spool on the brake tire trans down to upgrade trans builder said nothing was wrong at all with the trans he was impressed 1.20 60ft 3200lbs
Very good product, holds up to heat very well, and the stress of heavy high hp car.