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Sonnax Transmission Parts

Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries...

Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries a large selection of Sonnax transmission and drivetrain parts, including slip yokes, throttle cable brackets, input drum reinforcement kits, hydraulic line pressure booster kits, and more. Order your Sonnax transmission parts from Summit Racing today!

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Sonnax Accumulator Sleeve Kits

Sonnax accumulator sleeve kits allow transmission cases to be salvaged. Worn or scored accumulator bores in the case can cause a laundry list of problems, from slipping shifts to a destroyed case. Sonnax sleeve kits are simple drop-in solutions that require no machining to the transmission case. Kits are available for different applications and include sleeve(s), piston, PTFE seals, and/or O-rings.

5.0 out of 5 stars ( 5 )

$88.42

Sonnax Governor Gear Kits

Sonnax governor gear kits include nails and a roll pin. A common failure point of your governor is the gear. When you need to replace it, Sonnax governor gear kits will restore timely shifts of your automatic transmission.

4.94 out of 5 stars ( 17 )

$4.53

Sonnax Automatic Transmission Bearing and Race Kits

Sonnax automatic transmission bearing and race kits are designed to allow you to adjust the endplay to your specific transmission's tailshaft housing. The bearings are solidly built to spin smooth as silk. Don't take the chance with the cheaper brands if you want dependability and quality the others only try to attain. Always use Sonnax bearing and race kits in all your rebuilds.

5.0 out of 5 stars ( 1 )

$33.18

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