Review on Spectre Performance SPE-11251 Throttle Body Injection Spacer: Enhance Engine Efficiency and Power by Warrick Dembo

I have a 2002 Silverado1500hd. The bolts were a bit too long. According to the instructions, the old silicone seal should be kept. I ended up using both gaskets from the kit to increase the depth of the zone between the throttle body and the intake manifold. Also had to modify the throttle cable bracket to get the engine cover back up. The air intake pipe was snug against the fan shroud, but still fit. Great product for the price. And it came with a carb sticker