Product Description
SE8854-70, C8 ZR1 (70MM EFF.) LT7 [2025+] SET OF 2.
Premium Modified and Ported GM OEM Throttle Bodies.
For 5.5L Twin Turbo V8 Engines (LT7)
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 Micro-inch, Diamond Polished Surface Finish
• Shaftless high-pressure side of the blade for Larger WOT Flow Area (70 mm Effective Bore)
• Self-Cleaning Throat/Flow Gap
• Dome and Thread-locked Screws
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
WHAT’S INCLUDED:
2 x 70MM Throttle Body Valve Assembly
Corvette 8, ZR1 (2025+)
Please Note: ONLY SOLD AS PAIR
Enhanced Performance Replacement for P/N: 12708854