Microswitch & Bracket (only microswitch shown) GM Silverado/Sierra 1500 Tahoe/Suburban/Yukon/XL/Escalade " this cylinder head is the

this cylinder head is the perfect solution for both stock and performance builds

Transmission Model: Nag1/722

internally sleeved bellows that handle the abuse of high temperatures and high pressures

When converting from a 68RFE transmission to the Allison depending on the year of the truck the engine calibration has to be re-flashed to a AS68RC or AS69RC calibration

and ease of maintenance

Microswitch & Bracket (only microswitch shown) GM Silverado/Sierra 1500 Tahoe/Suburban/Yukon/XL/Escalade " this cylinder head is theMicroswitch & Bracket enables performance enthusiasts to activate solenoids, fuel pumps, and most anything else. Our Micro Throttle Switch can be used as either the primary method of activating a nitrous system, or as a safety device (in conjunction with another switch to prevent nitrous from coming on unless the vehicle is at WOT (wide open throttle).