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

Motive Gear Axle Shaft, 1541 Manganese, 5x5 in. Bolt Pattern, 33.316 in. Length, 28SPL, For CHEVROLET G10 1975–1988, Each

Motive Gear Axle Shaft, 1541 Manganese, 5x5 in. Bolt Pattern, 33.316 in. Length, 28SPL, For CHEVROLET G10 1975–1988, Each

$202.02

Sonnax Forward & Reverse Abuse Valve Kit, GM, 4L60E/65E/70E, Each

Sonnax Forward & Reverse Abuse Valve Kit, GM, 4L60E/65E/70E, Each

$30.47

RTS Differential, Gear Marking Compound With Brush, Kit

RTS Differential, Gear Marking Compound With Brush, Kit

$19.44

Sonnax Extreme Strength Output Shaft, GM, Powerglide, 27T, Long, Each

Sonnax Extreme Strength Output Shaft, GM, Powerglide, 27T, Long, Each

$971.44

Sonnax Crankshaft Spacer, Ford, A4Ld, 4R44E, 4R554, 2.8.2.9, .0L, Each

Sonnax Crankshaft Spacer, Ford, A4Ld, 4R44E, 4R554, 2.8.2.9, .0L, Each

$28.97

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 29.75 in. Length, 27SPL, For JEEP CHEROKEE 1991–1996, Each

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 29.75 in. Length, 27SPL, For JEEP CHEROKEE 1991–1996, Each

$259.00