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Home > Products > Gear Sets > Low Gear Sets

3-Speed Transmission Low Gear Sets


Gear Sets | Shorty Gears | 3-Speed Low Gear Sets | Reverse Ring Gears

ATI offers Low Gear Sets for most popular 3-speed transmissions. These gears are an excellent alternative to steep rear end gears for street driven performance vehicles and low RPM, high torque race engines.

These low gear sets increase the gear ratio to leave the starting line and go back to the original rear gear in high gear. The Increase is usually equal to 1 numerically higher gear ratio.

All gear sets have weight restrictions. Consult your ATI technician.

High Impact Gears
Shorty Gear Sets
Reverse Ring Gears

Low Gear Set



Turbo 350 - 2.75 Low Gear Set

Low gear sets increase the gear ratio when leaving the starting line and return to the original rear gear in high gear. The increase is usually equal to 1 numerically higher gear ratio. A car with a 4.10 rear gear and a standard low gear of 2.52 equals a 10.33 starting line ratio or SLR (2.52 x 4.1). Utilizing the 2.75 gear set equals a 11.30 SLR (4.1 x 2.75). The new SLR 11.30 divided by the old low gear of 2.52 equals 4.48 - the new rear gear required to obtain the 11.30 SLR with the 2.528 low gear. Great for towing, motor homes, street cars and big CID high torque motors that are RPM
limited and are using a 4.10 rear gear.

  Description
Part No.
Price
  2.75 RATIO
354040
$469.95

Turbo 400 - Low Gear Sets
Low gear sets increase the gear ratio when leaving the starting line and return to the original rear gear in high gear. The increase is usually equal to 1 numerically
higher gear ratio. A car with a 4.10 rear gear and a standard low gear of 2.48 equals a 10.16 starting line ratio or SLR (2.48 x 4.1). Utilizing the 2.75 gear set equals a 11.30 SLR (4.1 x 2.75). The new SLR 11.30 divided by the old low gear of 2.48 equals 4.54 - the new rear gear required to obtain the 11.30 SLR with the 2.48 low
gear. Great for street cars and big CID high torque motors that are RPM limited and are using a 3.73, 3.90 or 4.10 rear gear.


  Description
Carrier
HP
Part #
Price
  2.10 LOW GEAR SET - HELICAL GEARS
STEEL
1500
404081
$1295.95
  2.75 LOW GEAR SET - HELICAL GEARS
STEEL
800
404088
$579.00

All gear sets have weight restrictions. Consult your ATI technician. T400 aftermarket gear sets require a special snap ring when used in 1965 to approximately 1967 case applications

Turbo 400 - Aluminum Reaction Carrier

  Description
Part No.
Price
  ALUMINUM GEAR SET CARRIER
407070
$450.00
 
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