Rock-On Transmissions Products

Whether you’re looking for full race, street /strip or just a daily driver not willing to settle for second best, we produce the finest performance transmission available. If you are looking for our best selling level 4, vacuumed modulated A4, 4L60E, LS1 high performance or our heavy duty E4OD, 4R100 you’ll be pleasantly surprised at our streetabilty. The following is a partial listing of units, please contact us on any others not shown.

Chevrolet

Powerglide
Th 350
Th 400
Th 200r4
Th 700r4
4l60e
4L80E		 Ford

C4
C6
Aod
Aode
4R70W
e4od
4r100		 Mopar

Tf6
Tf8
A500
A518
A618

ROCK-ON LEVEL 4

Our level four transmission has evolved over several years. It sets the standard for the highest quality, durability, craftsmanship, drivability and performance of any 4L60E on the market today. It is second to none. This transmission is set up for street / stripe applications, it’ll take N/A or superchargers, fit right in with the nitrous crowd or a direct stock replacement. Smooth street shifting or aggressive, neck snapping, nail- biting, sit you back in your seat shifting should you decide to get on it. Take it to the track or just drive it around town you’ll thoroughly enjoy this unit. Stop by and see what our clients have to say about it. Compare for yourself you’ll see the difference quality has to offer. Now you can have one of these asphalt ripping, dyno tested, ready to install units for $1895.00 plus refundable core charge and shipping anywhere in the world.

  • Parallel deck pump body and cover which eliminates hydraulic cross leaks
  • Adjust pump rotor and slide clearance to .0015-.002 thousandths in a hand polished pocket.
  • High rev pump slide spring
  • Reinforced / staked pump bushing
  • Port “ported slots” for increased hydraulic flow
  • Heavy duty, hi rev. vane rings added for maximum pump output
  • No stick, steel, oversize billet boost valve.
  • Heavier boost valve spring/ shim added for maximum working line pressure
  • Hardened, ported stator shaft with oversize bushings added. Stabilizes input shaft.
  • Raybestos Hi-energy 2-4 band or Red Eagle Alto Band
  • 7 Borg / Warner .065 hi energy frictions 3-4 clutch (4L65E)
  • 29 element forward sprag borg warner
  • 4L65E low roller clutch B/W
  • H.D. Beast sun shell
  • Rock drive hardened, balanced, sleeved input shaft & drum, with oversize coast clutch piston
  • Borg Warner clutches thought
  • New bushings, using wider where necessary for stability and balance, decreasing cross leaks/increasing durability
  • New solenoids, altered stock gm
  • Tested, soldered wiring harness
  • Transgo HD-2 performance shift kit with 3 washers
  • Transgo vacuum mod kit
  • Corvette servo
  • All accumulator pistons replaced and upgraded with aluminum pistons
  • Correct end play for performance
  • Enhanced PWM system to eliminate lock-up drag
  • Increase Lube capacity
  • Hardened galvanized control plate to handle the increased pressure requirements of a performance build.

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