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A500 A518 A618 42RE 42RH 46RE 47RE Transmission 3-4 Accumulator Spring +Tran1sgo Perfor1mance Boost Valve Spring +Boost Valve Spring Retainer (Sonnax)
$9.99
A500 / A518 / A618 Transmission Performance Spring Kit — Accumulator & Boost Valve
Improve shift firmness and transmission response in your Dodge or Jeep with this performance spring upgrade kit. Includes a Transgo performance boost valve spring and Sonnax boost valve spring retainer for a complete, durable upgrade.
Compatible Transmissions
- A500 / A518 / A618
- 42RE / 42RH / 46RE / 47RE
Compatible Vehicles
- Dodge Ram, Dakota, Durango, B-Series Van
- Jeep Grand Cherokee
- Any vehicle with A500/A518/A618 series transmission
Kit Contents (3 Pieces)
- 1x 3-4 Accumulator Spring (.126 upgrade)
- 1x Transgo Performance Boost Valve Spring
- 1x Sonnax Boost Valve Spring Retainer (upgraded, unbreakable)
Key Features
- Transgo performance spring for improved shift quality
- Sonnax retainer — upgraded unbreakable design
- 100% tested to meet or exceed OEM quality standards
- Reduces soft or delayed shifts
Questions? Contact our support team — we respond within 24 hours.