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

MANLEY Connecting Rod Pin Bushing, Bronze, .975 in. OD, .929 in. ID, .975 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, .975 in. OD, .929 in. ID, .975 in. Length, Each

$22.80

Sonnax 3Rd Clutch Piston Lip Seal, GM 4T60-E, 4T65-E, Each

Sonnax 3Rd Clutch Piston Lip Seal, GM 4T60-E, 4T65-E, Each

$10.59

Sonnax Splined Stub & Sleeve Kit, Aluminum 3.5in. 1350 U-Joint, Each

Sonnax Splined Stub & Sleeve Kit, Aluminum 3.5in. 1350 U-Joint, Each

$782.05

TCI 4L80E Sealing Ring Kit.

TCI 4L80E Sealing Ring Kit.

$59.16

Motive Gear Differential Bearing Kit, Koyo, For JEEP TJ 2003–2006, Kit

Motive Gear Differential Bearing Kit, Koyo, For JEEP TJ 2003–2006, Kit

$176.04

TCI Transmission Filter, For Chevrolet, 4L80E, Kit

TCI Transmission Filter, For Chevrolet, 4L80E, Kit

$69.31