RatioTek Valvebody Upgrade Kit (2001-2010)

Part# RT-A01-PR

$48.00 Includes Free Shipping.

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RatioTek Valvebody Upgrade Kit
Fits 2001-2010 Allison 1000 Transmissions

Part# RT-A01-PR

This is a great upgrade when building your 5 or 6 speed Allison transmission. Perfect for trucks pulling big loads or making big power. This will help increase line pressure which will improve your clutches holding ability and the calibration springs will quicken and clean up your lazy shifts.

Includes:

  • RT-A-ES Calibration Springs
  • Line Pressure Upgrade Spring