87mm/91mm Effective Bore Premium Throttle Body (09-13 6.2L Tahoe)

Premium Modified, Ported, and Calibrated Throttle Body

For LSA or LS9 Engines, 6.2L V8 & 5.3L

Corvette 6th Gen. ZR1 (2009-2013)

Camaro 5th Gen. ZL1 (2012-2015)

CTS-V (2009-2015)

Escalade (2009-2015)

Silverado/Sierra (2009-2013)

Suburban/Yukon (2009-2013)

FEATURES:

• Optimized Active Contours with sonic flow nozzles
• Porting Taper and Upstream Bore with Velocity Stack (Lip & Bore Reduction)
• Greater Discharge Coefficient of Plate/Blade interface
• 16 Ra Microinch, Diamond Polished Surface Finish (Lower Skin Friction)
• 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
• Made from Brand New OEM Parts

PERFORMANCE:

• Wide-open throttle flow: 1128 +/- 20 SCFM @ 20.4” of water vacuum [16% increase over OEM (970 SCFM)]

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 (15 Minutes or Less)