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

Sonnax Secondary Pulley Front Bearing, JF015E (Re0F11A), Each

Sonnax Secondary Pulley Front Bearing, JF015E (Re0F11A), Each

$100.06

Sonnax Replacement Seal Kit, Ford, AOD, Each

Sonnax Replacement Seal Kit, Ford, AOD, Each

$13.48

Motive Gear Differential Pinion Bearing Kit, Koyo, For Ford F-250 1985–1998, Kit

Motive Gear Differential Pinion Bearing Kit, Koyo, For Ford F-250 1985–1998, Kit

$190.22

RTS Transmission Tail Housing Bearing, TH350, Powerglide, High Quality Japanese Replacement Needle Roller Bearing, Each

RTS Transmission Tail Housing Bearing, TH350, Powerglide, High Quality Japanese Replacement Needle Roller Bearing, Each

$102.60

Sonnax Heavy Duty Throttle Valve Kit, Chrysler, 42-46-47Rh/Re, 48RE, 727, 904, Each

Sonnax Heavy Duty Throttle Valve Kit, Chrysler, 42-46-47Rh/Re, 48RE, 727, 904, Each

$75.05

Sonnax High Clutch Piston, GM, Powerglide, Each

Sonnax High Clutch Piston, GM, Powerglide, Each

$112.51