Comes as shown, includes a gasket, this IAC housing is machined in house, it fits 1985-1992 TPI and 92-93 LT1. It eliminates the hot engine coolant passage to keep your incoming air cooler for a 6 horsepower and 7ft/lbs torqueGAIN, increased throttle response, aswell as simplifying the lower throttle body area for tight fit applications that need more clearance for the coolant water neck. This housing works great on all stock as well as any aftermarket throttle bodies. The passages are all factory so there wont be any idle issues, whistling, or altering of the factory IAC counts
ORIGINAL HOUSING WITH COOLANT PORTS AVAILABLE MESSAGE IF YOU NEED ONE
