Premium Modified, Ported, and Calibrated Throttle Body. For cars, 6.2L engines (LT1/LT2).Corvette 7/8, Stingray/Z51/GS(2014-Present).Camaro 6, SS(2016-Present).Enhanced Performance Replacement for P/N’s: 12620263, 12678223, 12713774, and others.For trucks and SUV’s, 5.3L /6.0L /6.2L engines (L83*/L86/L87/L96):Silverado/Suburban(2014-2021).Sierra/Yukon(2014-2021). Escalade(2014-2021).NOTE:FOR NEW TRUCKS & SUV’S (2022+) SEE P/NSE9160-91*Fits L83 (5.3L) if used with our Adapter Kit P/NSE8223-87-80.C8 Installation:ReelWheelDriveC8 video instructions (YouTube Link).1 YEAR WARRANTY*.NEW option: A brand new reworked part (0 miles / BNIB). FEATURES:• Optimized Active Contours with sonic flow nozzles• Porting Taper and Upstream Bore with Velocity Stack• Greater Discharge Coefficient of Plate/Blade interface• 16 Ra Microinch, Diamond Polished Surface Finish • Shaftless high-pressure side of the blade for Larger WOT Flow Area (91 mm Effective Bore)• Self-Cleaning Throat/Flow Gap• Dome and Thread-locked Screws • Dimpled shaft trailing edge BENEFITS:• Lower weight to power ratio at part throttle, for a more nimble/spirited driving experience • Linearization and smoothing of the curve for a more predictable response and crisper shifts• Immediate response right off idling while keeping idling function undisturbed (No Hesitation/Stumble)• Does not require tuning. Warranty safe.• More air/power at every single throttle position after idle. Crucial for starting or expanding power gain modifications• Easy Installation PERFORMANCE:• Wide-open throttle flow: 1165 +/- 20 SCFM @ 20.4” of water vacuum [20% increase over OEM (970 SCFM)]