Hi-Flow Throttle Bodies
	•Increasing your airflow will give you better throttle response. Rock-It Parts™ Hi-Flow Throttle Bodies are an easy installation on your EFI engine. The modified factory casting will give you substantial power enhancement. Core exchange required.

Throttle Body Spacer
	•Throttle body spacer plates are another way to add HP and torque. Available in different thicknesses, and may be combined to fine-tune your engine. These spacer plates are easy to install and will work well with our power kits. May require install kit.

Flow Matched Injectors
	•OEM injectors can have up 15% variance. Our injectors are flow watched within 1% of each other. Balanced injectors will give your vehicle smoother idle and more horsepower. Currently only available for GM TBI.

Adjustable Fuel Regulator
	This modified fuel pressure regulator allows you to fine tune your vehicle. Precision adjustment to your fuel pressure will make the injectors spray more or less fuel without changing the injectors pulse width. You can lean down a rich condition or fatter up a learn one. GM TBI only.