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 Modulator Plug Gasket, GM, Powerglide

Sonnax Modulator Plug Gasket, GM, Powerglide

$10.92

Motive Gear Axle Shaft, 1541 Manganese, 5x135 mm Bolt Pattern, 31.75 in. Length, 31SPL, ForD EXPEDITION 1997–2000, Each

Motive Gear Axle Shaft, 1541 Manganese, 5x135 mm Bolt Pattern, 31.75 in. Length, 31SPL, ForD EXPEDITION 1997–2000, Each

$215.52

Motive Gear Differential Super Bearing Kit, Timken, For CHEVROLET BLAZER 1988–1998, Kit

Motive Gear Differential Super Bearing Kit, Timken, For CHEVROLET BLAZER 1988–1998, Kit

$279.42

TCI Reverse Kevlar Band for '94 + A618.

TCI Reverse Kevlar Band for '94 + A618.

$106.73

Motive Gear Differential Pinion Bearing Kit, Timken, For CHEVROLET AVALANCHE 2500 2002–2006, Kit

Motive Gear Differential Pinion Bearing Kit, Timken, For CHEVROLET AVALANCHE 2500 2002–2006, Kit

$299.42