Performance pack box 3 d right flat trans small Performance pack parts flat

Sonnax Performance Packs

The Best Parts for Performance & Heavy Duty Recalibration

Performance enthusiasts look to Sonnax when building stronger, faster, more reliable transmissions. Performance Packs combine key Sonnax performance and heavy duty parts into powerhouse kits which take transmissions to the next level.

Firmer Shifts Under Load Without Low-speed Harshness

It's the ultimate way to get an impressive transmission that responds to throttle and increased load with quick-firm shifts.

Consistent Recalibration Results with Tuning Options

Select kit components are precision engineered to recalibrate pressures and shift accumulation. Detailed, step-by-step installation instructions make it easy to adjust transmission performance levels with confidence.

Improved Durability

High-quality, innovative and durable Sonnax parts target commonly worn areas in the transmission and prevent future damage.

No Special Tools Required

Sonnax Performance Packs

The Best Parts for Performance & Heavy Duty Recalibration

Performance pack box 3 d right flat trans small Performance pack parts flat

Performance enthusiasts look to Sonnax when building stronger, faster, more reliable transmissions. Performance Packs combine key Sonnax performance and heavy duty parts into powerhouse kits which take transmissions to the next level.

Firmer Shifts Under Load Without Low-speed Harshness

It's the ultimate way to get an impressive transmission that responds to throttle and increased load with quick-firm shifts.

Consistent Recalibration Results with Tuning Options

Select kit components are precision engineered to recalibrate pressures and shift accumulation. Detailed, step-by-step installation instructions make it easy to adjust transmission performance levels with confidence.

Improved Durability

High-quality, innovative and durable Sonnax parts target commonly worn areas in the transmission and prevent future damage.

No Special Tools Required

 
TD_Top_10_Products

A Transmission Digest Top Ten Product

See More Key Components for Heavy-Duty & Performance Rebuilds

4L60E Build Guide 4L80-E Build Guide

Choose Performance Pack

TD_Top_10_Products

A Transmission Digest Top Ten Product

See More Key Components for Heavy-Duty & Performance Rebuilds

 

See what people are saying about Sonnax Performance Packs:

Sonnax really nailed it with this kit.

P. Barrett
Owner of Level 10 Transmissions
Hardyston, N.J.

The Performance Pack works like a dream.

Russ
Speed Rated Motorsports
Fort Pierce, Fla.

The best working performance units we have done, and that's not from me, but my customers.

B. Bastedo
Advanced Transmission Care
Mooresville, N.C.

In a nutshell, I love it. It shifts exactly like I think it should. Not too hard, not too soft. Harder acceleration and the shifts firm up nicely.

K. Lindsay
Lindsay Transmission Service
Warrensburg, MO
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