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Testing shows that a near stock LS7 engine (w/ FAST 102mm Intake & Throttle Body) produced gains of 16+ horsepower
longer life and more horsepower Requires less spring pressure for better valve control Reduces the weight of the spring and allows a smaller
or if you want to do a show-quality job with no compromise in quality
Stainless perches are heat treated 17 - 4 Stainless Steel for added strength and designed extra long with a 0
Standard Main Jet #73 HO122-73 Blower Injector Hats Testing shows that a nearStandard Main Jet #731 4 32" Thread, . 0790" Hole Size (Pair) HO122 73 122 73 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number.
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