Our INVINCIBLE series is our Extreme offering in the 4L60 transmissions series. It’s available in the 700R4, 4L60E for LT-1, 4L60E for LS1 / LSX and 4L65E.

It features all the components of our Level 2 (Pro Race) transmissions with these upgrades for added Strength and Durability. (Nothing but the best):

Modified Reinforced OEM style five (5) pinion planetaries with a grooved sun gear for improved lubrication

Specially prepared performance input drum assembly

Molded seal steel pistons

Raybestos High Performance forward frictions

A set of 8 RAYBESTOS STAGE 1 PERFORMANCE clutches with full thickness steels for High Impact Durability and Super Hold on the 2-3 shift

 Borg Warner 29 element dual cage sprag assembly, the strongest available

The BEAST sun shell, considered unbreakable and will withstand the abuse levied in high horsepower extreme torque situations

Ultra wide carbon composite 2-4 performance band with reinforced pin area to prevent tear through. This band will take the abuse and the heat.

SUPERIOR/FAIRBANKS SUPER SERVO for maximum second gear hold (It also limits 3rd gear 3-4 clutch accumulation to aid in the 3-4 clutch apply)

Sonnax Dual Piston Overdrive Servo (with the wide band to stand WOT overdrive if your PCM is set up to allow it)

A Thirteen (13) vane pump with hardened rings and a full-time lube modification which assures maximum planetary life and cooling

PerformaBuilt custom shift kit, a compilation of what we consider to be the best of several known kits and some unique modifications of our own

Deep OEM pan and performance filter (Deep pan not available on the 700r4 unit)

This unit also features many other proprietary modifications for performance and durability which help it achieve its unbelievable horsepower capabilities. It will take whatever you dish out and we guarantee it. You won't find a better unit anywhere.

700R4 4L60 4L65E 4L70E 1982 TO 2008 Transmissions