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Sonnax Transmission Company Parts and Accessories

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Summit Bucks

Sonnax Signal Accumulator Pistons

GM 8L45 and 8L90 transmissions often suffer burnt clutches, shift concerns, low line pressure and/or converter apply complaints—due to excess wear in the signal accumulator piston bores in the control solenoid valve body casting. This wear allows valuable VFS signal pressure to exhaust, preventing proper shift control, line pressure regulation, and/or converter clutch apply. Sonnax drop-in signal accumulator piston kits allow bores to be reconditioned quickly and easily with no reaming required. The hydraulic integrity of the VFS signal pressure circuits are re-established, and future wear prevented with positive sealing and wear-resistant components. Features include: * Hardcoat anodized aluminum piston combats premature wear * Annular grooves to reduce wear rate * Highly wear-resistant sleeve to prevent future wear * Positive sealing O-ringed plug prevents leakage in already worn bores * Mating spring to re-establish OE dampening action * Drop-in Zip Valve parts install quickly and easily * Available for a variety of Chevrolet, GMC, and Cadillac transmission applications Kit contents: -- Sleeves (4) -- Pistons (4) -- Springs (4) -- O-rings (6), 2 extra -- End plugs (4)

5.0 out of 5 stars ( 1 )

$47.48

Summit Bucks

Sonnax Shift Levers

Get in the right gear with Sonnax shift levers. These replacement levers and kits are designed to work with most competition-type shifters—without modifications to the case. Sonnax offers a choice of one-piece and bolt-together levers; many include O-rings on the shafts to prevent leakage, and all are zinc plated for corrosion protection. Upgrade your stock shifter levers with replacements from Sonnax.

4.93 out of 5 stars ( 14 )

$37.59

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