High pressure needs high-rate springs, and TCI pressure regulator springs will make the psi that you need, depending on the boost valve selection. When you need replacement parts for your competition transmission, TCI will keep you in the race.

More From This Category

Dedenbear Spare Solenoid,  Replacement Solenoid Only, For Ss2, Dedenbear

Dedenbear Spare Solenoid, Replacement Solenoid Only, For Ss2, Dedenbear

$257.33

Sonnax Pinion Pin Kit, GM, Powerglide, Each

Sonnax Pinion Pin Kit, GM, Powerglide, Each

$158.15

Motive Gear Differential Pinion Bearing Kit, Koyo, For AMERICAN MOTORS AMX 1978, Kit

Motive Gear Differential Pinion Bearing Kit, Koyo, For AMERICAN MOTORS AMX 1978, Kit

$92.96

Sonnax Heavy Duty Clutch Retaining Ring, GM, 400, 4L80/4L85-E, Powerglide, Each

Sonnax Heavy Duty Clutch Retaining Ring, GM, 400, 4L80/4L85-E, Powerglide, Each

$24.19