22301B-01K - A727 A618 A518 46RE 47RE 48RE Transmission 2nd Gear Super Hold Servo Kit Sonnax
Sonnax Dodge A727 A518 (46RE, 46RH) A618 (47RE, 47RH 48RE) Transmission 2nd Gear Super Hold Servo Kit
This Sonnax 2nd gear super hold servo kit 22301B-01K offers 16% more apply area than the OE servo and is the largest and most leak-free servo available for listed Chrysler applications. The small and large diameters of both the piston and cover have improved sealing which eliminates cross leaks and results in 15% less leakage than other designs. Less leakage means there is more pump volume available for the converter and to maintain line pressure.
The rubber and PTFE seals enhance positive sealing and prevent piston contact and bore scuffing. The smaller diameter apply pin gives more area to the release side of the servo where direct clutch oil pushes the servo off during the 2-3 shift.
This increased area balances against the greater 2nd apply area to maintain a favorable apply-to-release area ratio and minimize shift overlap on the 2-3 shift. The overall result is more holding force in 2nd, firmer 1-2 and 2-3 shifts that become firmer under load.
For higher horsepower applications, this servo reduces the need for aggressive lever ratios, excessively high line pressure and other more radical modifications in order to get firmer shifts.
16% more apply area provides more band holding power in 2nd gear
One easy-to-install part improves 1-2 and 2-3 shifts
Improved seal design conserves pump volume
Anodized aluminum for increased durability
Earn Up to 126 Transparts Reward Points.
Sonnax Dodge A727 A518 (46RE, 46RH) A618 (47RE, 47RH 48RE) Transmission 2nd Gear Super Hold Servo Kit
This Sonnax 2nd gear super hold servo kit 22301B-01K offers 16% more apply area than the OE servo and is the largest and most leak-free servo available for listed Chrysler applications. The small and large diameters of both the piston and cover have improved sealing which eliminates cross leaks and results in 15% less leakage than other designs. Less leakage means there is more pump volume available for the converter and to maintain line pressure.
The rubber and PTFE seals enhance positive sealing and prevent piston contact and bore scuffing. The smaller diameter apply pin gives more area to the release side of the servo where direct clutch oil pushes the servo off during the 2-3 shift.
This increased area balances against the greater 2nd apply area to maintain a favorable apply-to-release area ratio and minimize shift overlap on the 2-3 shift. The overall result is more holding force in 2nd, firmer 1-2 and 2-3 shifts that become firmer under load.
For higher horsepower applications, this servo reduces the need for aggressive lever ratios, excessively high line pressure and other more radical modifications in order to get firmer shifts.
16% more apply area provides more band holding power in 2nd gear
One easy-to-install part improves 1-2 and 2-3 shifts
Improved seal design conserves pump volume
Anodized aluminum for increased durability
Manufacturer | Sonnax |
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