Katech – 103MM Throttle Body for GEN 5 LT1/ LT4/LT5 (KAT-A6885)Katech 103MM Throttle Body for GEN 5 LT1 LT4 LT5 Engines (KAT A6885) The Katech LT1 LT4 LT5 103MM Anodized Throttle Body is engineered for serious performance enthusiasts. Precision machined from high quality billet aluminum, this throttle body delivers maximum airflow, resulting in improved throttle response and increased horsepower. At 103mm in diameter, its significantly larger than the stock throttle body found on factory LT engines, allowing for

9 wideband sensors

although a 2800+ stall converter can further enhance performance

Direct Bolt-On to "Factory Exhaust"

For data storage

reduce max FWHP by 30%

2L Models and 2015-2018 Chevrolet Suburban

With the i3's additional vehicle license options

Great torque converter for a DD performance vehicle

The TSP CTS-V headers are a true long tube design

Used in systems with a return line back to tank

Customer choice of gaskets

For 1999 and later applications with 30-spline axles or 1998 and earlier when converting from 28 to 30-spline axles