Fleece Performance Allison Tapshifter For 03-05 6.6L Duramax suburban 110-90646 - Cognito 3 Inch

110-90646 - Cognito 3 Inch Fabricated Straight Block and 11 inch U Bolt Kit

1-3/4"-5/16" Heavy Duty DOM Tube Steel Control Arms

or reversion that can occur when exhaust drive pressures open the exhaust valve on the intake stroke

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1988-2006 GMC Sierra 1500

Fleece Performance Allison Tapshifter For 03-05 6.6L Duramax suburban 110-90646 - Cognito 3 InchFleece Performance Allison Tapshifter For 2003 2005 Chevy GMC 6. 6L Duramax The Fleece TapShifter allows you to shift your 2003 2005 Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in between, the TapShifter installs in no time and provides factory like operation, functionality and styling. Installation: The TapShifter installs using OEM high quality