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 Reverse Clutch Steel, GM, Powerglide, Each

Sonnax Reverse Clutch Steel, GM, Powerglide, Each

$17.32

MANLEY Connecting Rod Pin Bushing, Bronze, .910 in. OD, .866 in. ID, .925 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, .910 in. OD, .866 in. ID, .925 in. Length, Each

$22.80

Sonnax 1.58 Ratio Extreme Planetary Assembly Kit, Powerglide 1.58 Ratio, Each

Sonnax 1.58 Ratio Extreme Planetary Assembly Kit, Powerglide 1.58 Ratio, Each

$4,578.05

TCI Automatic Transmission Rebuild Kit, Maximizer, GM, 1980 and Later, TH350, Lockup Only, Kit

TCI Automatic Transmission Rebuild Kit, Maximizer, GM, 1980 and Later, TH350, Lockup Only, Kit

$661.74

Motive Gear Differential Pinion Bearing Kit, Koyo, For Ford E-250 2011–2014, Kit

Motive Gear Differential Pinion Bearing Kit, Koyo, For Ford E-250 2011–2014, Kit

$267.90