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

MSD Wiring Harness, Atomic TCU, For Ford, E40D, Each

MSD Wiring Harness, Atomic TCU, For Ford, E40D, Each

$624.26

Sonnax Replacement Seal Kit, Chrysler, 40Tes/41Tes/42Le/42Rle/RFE, Each

Sonnax Replacement Seal Kit, Chrysler, 40Tes/41Tes/42Le/42Rle/RFE, Each

$9.91

Motive Gear Master Bearing Kit, Koyo, For Ford 8.8, Kit

Motive Gear Master Bearing Kit, Koyo, For Ford 8.8, Kit

$198.21

Motive Gear Differential Pinion Bearing Kit, Koyo, For JEEP WRANGLER 2018–2021, Kit

Motive Gear Differential Pinion Bearing Kit, Koyo, For JEEP WRANGLER 2018–2021, Kit

$131.28

MANLEY Connecting Rod Pin Bushing, Bronze, .975 in. OD, .920 in. ID, .975 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, .975 in. OD, .920 in. ID, .975 in. Length, Each

$22.80